Article
Engineering, Environmental
Elena Austin, Jianbang Xiang, Timothy R. Gould, Jeffry H. Shirai, Sukyong Yun, Michael G. Yost, Timothy Larson, Edmund Seto
Summary: The study aimed to analyze the air quality impacts of aircraft traffic on communities near an international airport. It found that ultrafine particles were associated with both roadway traffic and aircraft sources, with key differences in particle size distribution and black carbon concentration between the two sources.
ENVIRONMENTAL SCIENCE & TECHNOLOGY
(2021)
Article
Environmental Sciences
M. L. Bergmann, Z. J. Andersen, H. Amini, J. Khan, Y. H. Lim, S. Loft, A. Mehta, R. G. Westendorp, T. Cole-Hunter
Summary: Exposure to ultrafine particles (UFP) did not differ significantly when cycling in rush-hour or non-rush-hour, or morning or afternoon, traffic time periods in inner-city Copenhagen. However, there was substantial spatial variation of UFP exposure along the cycling route, with highest concentrations measured at traffic intersections, multiple lane roads, and construction sites.
ENVIRONMENTAL POLLUTION
(2022)
Article
Environmental Sciences
Shao Lin, Ian Ryan, Sanchita Paul, Xinlei Deng, Wangjian Zhang, Gan Luo, Guang-Hui Dong, Arshad Nair, Fangqun Yu
Summary: This study found immediate and lasting effects of particle surface area concentration (PSC) on cardiovascular diseases (CVDs) and delayed and prolonged impacts of ultrafine particle number concentration (UFPnc). Larger PSC was associated with higher risks of stroke, hypertension, and ischemic heart diseases.
ENVIRONMENTAL POLLUTION
(2022)
Article
Environmental Sciences
Zachari A. Pond, Provat K. Saha, Carver J. Coleman, Albert A. Presto, Allen L. Robinson, C. Arden Pope
Summary: The objective of this study was to estimate the associations between long-term exposure to ultrafine particles (UFP) and primary PM2.5 components and all-cause, cardiopulmonary, and cancer mortality. The results showed significant associations between UFP and all-cause and cancer mortality, while the associations of organic PM2.5 components with mortality were independent of total PM2.5 mass exposure. PM2.5 mass was found to be a robust predictor of air pollution related mortality, supporting current regulatory policies.
ENVIRONMENT INTERNATIONAL
(2022)
Article
Environmental Sciences
Shailendra Kumar Yadav, Rajeev Kumar Mishra, Bhola Ram Gurjar
Summary: The study evaluated the particle number size distribution of green cracker emissions and found that green crackers emit more particles with smaller diameters than traditional crackers. If the emission of small particles from green crackers can be controlled, using green crackers for celebrations may be an option.
JOURNAL OF ENVIRONMENTAL MANAGEMENT
(2022)
Article
Environmental Sciences
Guanghua Li, Pan Lu, Shunxi Deng, Jian Gao, Zhenzhen Lu, Qiqi Li
Summary: Urban traffic arteries are hot-spots of particle number concentration (PNC) pollution, especially for ultrafine particles (UFP). In this study, PNC measurements of different particle sizes were conducted at four sites in Xi'an. The results revealed that PNC was highest closest to the traffic sources, and vehicle exhaust was the primary source of UFP. The PNC at the traffic site was significantly higher compared to the roadside and urban background sites. Interestingly, there was an inverted U-shaped relationship between measured UFP levels and traffic flows.
ATMOSPHERIC ENVIRONMENT
(2023)
Article
Environmental Sciences
Anja H. Tremper, Calvin Jephcote, John Gulliver, Leon Hibbs, David C. Green, Anna Font, Max Priestman, Anna L. Hansell, Gary W. Fuller
Summary: There is limited understanding regarding the health impacts of aircraft noise and aircraft-associated ultrafine particles (UFP). Measurements conducted near Gatwick airport in the UK showed a close relationship between particle number concentrations (PNC) and noise levels, with traffic emissions being the major source of PNC. However, UFP is unlikely to be a significant factor in epidemiological studies on aircraft noise and health, as the correlation between UFP and noise is moderate to low. Additionally, meteorological factors should be taken into consideration when studying the short-term associations between aircraft noise and health.
ENVIRONMENT INTERNATIONAL
(2022)
Article
Environmental Sciences
Suyi Hou, Weihan Li, Liudongqing Yang, Guorong Chen, Yilin Zhang, Mikinori Kuwata
Summary: A recent study in Singapore found that the main sources of ultrafine particles include traffic emissions and nucleation. During the morning traffic rush hours, an increase in CO concentration was associated with a minor enhancement in ultrafine particle number concentration. The sea breeze transported emissions from the coastal industrial area, leading to high SO2 concentration and an increase in the number concentration of Aitken mode particles. These findings have important implications for understanding and controlling the pollution from ultrafine particles.
AEROSOL AND AIR QUALITY RESEARCH
(2023)
Article
Environmental Sciences
Maximilian Schwarz, Alexandra Schneider, Josef Cyrys, Susanne Bastian, Susanne Breitner, Annette Peters
Summary: This study examined the short-term associations between ultrafine particles (UFP) and cause-specific hospital admissions in Leipzig, Dresden, and Augsburg, Germany. The results showed clear associations between PM2.5 and (cardio-)respiratory hospital admissions, while UFP and PNC did not show a clear association. Further multi-center studies are needed to draw definite conclusions on the health effects of UFP.
ENVIRONMENT INTERNATIONAL
(2023)
Article
Environmental Sciences
Zhenchun Yang, Zhengting He, Kehan Zhang, Limin Zeng, Audrey de Nazelle
Summary: The study compared commuters' exposure to ultrafine particles (UFP) in four transportation modes in Beijing, China, finding that bus and bicycle commuters had higher PNC concentrations. Measures are needed to reduce air pollution exposure for commuters, particularly those traveling by bus and bicycle.
ATMOSPHERIC ENVIRONMENT
(2021)
Article
Environmental Sciences
Nobuyuki Takegawa, Anna Nagasaki, Akihiro Fushimi, Yuji Fujitani, Yoshiko Murashima, Hiromu Sakurai
Summary: We conducted field measurements and laboratory evaluations to characterize the physical and chemical properties of aircraft exhaust ultrafine particles near Narita International Airport. The results show that the volatility of aircraft exhaust UFPs is closely related to particle size and temperature.
ATMOSPHERIC ENVIRONMENT
(2023)
Article
Environmental Sciences
Hao Wu, Zhanqing Li, Mengjiao Jiang, Chunsheng Liang, Dongmei Zhang, Tong Wu, Yuying Wang, Maureen Cribb
Summary: The study highlights the significant impact of traffic emissions on the ultrafine particle distribution and new particle formation in Beijing. Traffic emissions primarily influence the Aitken mode particles, while new particle formation significantly contributes to the ultrafine particle distribution. Regional transport also notably affects the occurrence of new particle formation, with different air masses influencing nucleation and Aitken modes differently.
ATMOSPHERIC ENVIRONMENT
(2021)
Article
Environmental Sciences
Basant Pradhan, Rohan Jayaratne, Helen Thompson, Giorgio Buonanno, Mandana Mazaheri, Mawutorli Nyarku, Weiwei Lin, Marcelo Luiz Pereira, Josef Cyrys, Annette Peters, Lidia Morawska
Summary: Epidemiological studies often use a single monitoring site in urban areas to investigate the association between particle exposure and health effects. However, for ultrafine particles (PNC), the central site cannot consistently represent personal exposure, as they are affected by different sources.
SCIENCE OF THE TOTAL ENVIRONMENT
(2023)
Article
Environmental Sciences
Di Nie, Zhaowen Qiu, Xin Wang, Zhen Liu
Summary: This study investigates the sources of black carbon (BC) and ultrafine particles (UFPs) in an urban roadway region and clarifies the characteristics of primary and secondary UFPs at roadside sites. The results reveal that traffic exhausts are the main source of BC, while non-traffic sources dominate the secondary particles at road intersections.
ENVIRONMENTAL RESEARCH
(2022)
Article
Environmental Sciences
Luca Boniardi, Francesca Borghi, Serena Straccini, Giacomo Fanti, Davide Campagnolo, Laura Campo, Luca Olgiati, Simone Lioi, Andrea Cattaneo, Andrea Spinazze, Domenico Maria Cavallo, Silvia Fustinoni
Summary: The study compared personal exposure to traffic-related air pollution among car drivers and multimodal commuters in Milan, Italy. Results showed that cyclists had the shortest travel times and highest concentrations of pollutants during morning rush hour. Different commuters had varying levels of exposure to particulate matter, benzene, and NO2, highlighting the importance of a multi-pollutant approach in understanding personal exposure in multimodal mobility studies.
ATMOSPHERIC ENVIRONMENT
(2021)
Article
Engineering, Environmental
Jiawei Zhang, Youn-Hee Lim, Zorana Jovanovic Andersen, George Napolitano, Seyed Mahmood Taghavi Shahri, Rina So, Maude Plucker, Mahdieh Danesh-Yazdi, Thomas Cole-Hunter, Jeanette Therming Jorgensen, Shuo Liu, Marie Bergmann, Amar Jayant Mehta, Laust H. Mortensen, Weeberb Requia, Theis Lange, Steffen Loft, Nino Kuenzli, Joel Schwartz, Heresh Amini
Summary: The study shows that the implementation of stringent COVID-19 containment response policies has led to improved air quality, while moderate policies have had a smaller impact, and mild policies have even led to deterioration in air quality.
ENVIRONMENTAL SCIENCE & TECHNOLOGY
(2022)
Article
Sport Sciences
John O. Osborne, Geoffrey M. Minett, Ian B. Stewart, Stewart Trost, Christopher Drovandi, Joseph T. Costello, Toby G. Pavey, David N. Borg
Summary: This randomized cross-over study found that heat acclimation training may negatively affect sleep quality and increase sedentary behavior.
EUROPEAN JOURNAL OF SPORT SCIENCE
(2023)
Article
Public, Environmental & Occupational Health
Nicole Egerstrom, David Rojas-Rueda, Marco Martuzzi, Bin Jalaludin, Mark Nieuwenhuijsen, Rina So, Youn- Hee Lim, Steffen Loft, Zorana Jovanovic Andersen, Thomas Cole-Hunter
Summary: This study quantifies the potential benefits of meeting the World Health Organization's air quality guidelines for PM2.5 in the Western Pacific region. The results show that achieving these guidelines could avoid 3.1 million deaths annually and provide economic benefits for each individual.
BULLETIN OF THE WORLD HEALTH ORGANIZATION
(2023)
Article
Environmental Sciences
Thomas Cole-Hunter, Jiawei Zhang, Rina So, Evangelia Samoli, Shuo Liu, Jie Chen, Maciej Strak, Kathrin Wolf, Gudrun Weinmayr, Sophia Rodopolou, Elizabeth Remfry, Kees de Hoogh, Tom Bellander, Jorgen Brandt, Hans Concin, Emanuel Zitt, Daniela Fecht, Francesco Forastiere, John Gulliver, Barbara Hoffmann, Ulla A. Hvidtfeldt, Karl-Heinz Jockel, Laust H. Mortensen, Matthias Ketzel, Diego Yacaman Mendez, Karin Leander, Petter Ljungman, Elodie Faure, Pei-Chen Lee, Alexis Elbaz, Patrik K. E. Magnusson, Gabriele Nagel, Goran Pershagen, Annette Peters, Debora Rizzuto, Roel C. H. Vermeulen, Sara Schramm, Massimo Stafoggia, Klea Katsouyanni, Bert Brunekreef, Gerard Hoek, Youn-Hee Lim, Zorana J. Andersen
Summary: In this study, the link between long-term exposure to ambient air pollution, specifically PM2.5, and mortality from Parkinson's Disease (PD) was investigated in seven European cohorts. The results suggest that long-term exposure to PM2.5 may contribute to PD mortality, even at levels below current EU air pollution limits.
ENVIRONMENT INTERNATIONAL
(2023)
Editorial Material
Environmental Sciences
Thomas Cole-Hunter, Jiawei Zhang, Youn-Hee Lim, Evangelia Samoli, Jie Chen, Maciej Strak, Kathrin Wolf, Gudrun Weinmayr, Emanuel Zitt, Barbara Hoffmann, Karl-Heinz Joeckel, Laust H. Mortensen, Matthias Ketzel, Diego Yacaman Mendez, Petter Ljungman, Gabriele Nagel, Göran Pershagen, Debora Rizzuto, Sara Schramm, Bert Brunekreef, Gerard Hoek, Zorana J. Andersen
ENVIRONMENT INTERNATIONAL
(2023)
Article
Environmental Sciences
Nina Roswall, Jesse D. Thacher, Mikael Ogren, Andrei Pyko, Agneta akesson, Anna Oudin, Anne Tjonneland, Annika Rosengren, Aslak H. Poulsen, Charlotta Eriksson, David Segersson, Debora Rizzuto, Emilie Helte, Eva M. Andersson, Gunn Marit Aasvang, Hrafnhildur Gudjonsdottir, Jibran Khan, Jenny Selander, Jesper H. Christensen, Jorgen Brandt, Karin Leander, Kristoffer Mattisson, Kristina Eneroth, Lara Stucki, Lars Barregard, Leo Stockfelt, Maria Albin, Mette K. Simonsen, Marten Spanne, Pekka Jousilahti, Pekka Tiittanen, Peter Molnar, Petter L. S. Ljungman, Tarja Yli-Tuomi, Thomas Cole-Hunter, Timo Lanki, Ulla A. Hvidtfeldt, Youn-Hee Lim, Zorana J. Andersen, Goran Pershagen, Mette Sorensen
Summary: This study investigated the association between traffic noise and colon cancer in a pooled population of 155,203 individuals from 11 Nordic cohorts. The results showed that road traffic noise was associated with an increased risk of colon cancer, particularly distal colon cancer.
ENVIRONMENTAL RESEARCH
(2023)
Article
Environmental Sciences
Rina So, Jie Chen, Massimo Stafoggia, Kees de Hoogh, Klea Katsouyanni, Danielle Vienneau, Evangelia Samoli, Sophia Rodopoulou, Steffen Loft, Youn-Hee Lim, Rudi G. J. Westendorp, Heresh Amini, Thomas Cole-Hunter, Marie Bergmann, Seyed Mahmood Taghavi Shahri, Jiawei Zhang, Matija Maric, Laust H. Mortensen, Mariska Bauwelinck, Jochem O. Klompmaker, Richard W. Atkinson, Nicole A. H. Janssen, Bente Oftedal, Matteo Renzi, Francesco Forastiere, Maciek Strak, Bert Brunekreef, Gerard Hoek, Zorana J. Andersen
Summary: This study evaluated the associations between eight PM2.5 elemental components and mortality, and found significant positive associations of copper, iron, zinc, sulfur, nickel, vanadium, silicon, and potassium with all-natural mortality. Potassium and silicon were consistently associated with most causes of mortality, while iron, zinc, nickel, and vanadium were relevant for specific causes of mortality.
ENVIRONMENTAL RESEARCH
(2023)
Article
Respiratory System
Jiawei Zhang, Youn-Hee Lim, Rina So, Jeanette T. Jorgensen, Laust H. Mortensen, George M. Napolitano, Thomas Cole-Hunter, Steffen Loft, Samir Bhatt, Gerard Hoek, Bert Brunekreef, Rudi Westendorp, Matthias Ketzel, Jorgen Brandt, Theis Lange, Thea Kolsen-Fisher, Zorana Jovanovic Andersen
Summary: This study found that long-term exposure to air pollution may increase the risk of contracting severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection as well as developing severe COVID-19 disease requiring hospitalization or resulting in death.
EUROPEAN RESPIRATORY JOURNAL
(2023)
Article
Public, Environmental & Occupational Health
Lidia Morawska, Tunga Salthammer
INTERNATIONAL JOURNAL OF HYGIENE AND ENVIRONMENTAL HEALTH
(2023)
Article
Sport Sciences
David N. Borg, Adrian G. Barnett, Aaron R. Caldwell, Nicole M. White, Ian B. Stewart
Summary: This study aimed to examine the bias for statistical significance using published confidence intervals in sport and exercise medicine research. The abstracts of 48,390 articles published in 18 sports and exercise medicine journals between 2002 and 2022 were analyzed. The results revealed a bias for statistical significance and an excess of published research with statistically significant results just below the standard significance threshold of 0.05.
JOURNAL OF SCIENCE AND MEDICINE IN SPORT
(2023)
Article
Engineering, Chemical
Tomasz R. Sosnowski, Lidia Morawska, Justyna Szczepanska, Ernest Szajna, Andrej I. Vilkotsky, Marcin Odziomek, Krzysztof Sosnowski
Summary: This paper presents experiments on the effectiveness of different face and nose coverings in reducing aerosol emitted by infected individuals. The results show that although smaller aerosols can penetrate the tested face coverings, their concentrations outside are significantly reduced. The use of masks can reduce the amount of inhaled airborne particles by 1.3-5.7 times compared to not wearing a mask.
ADVANCED POWDER TECHNOLOGY
(2023)
Article
Environmental Sciences
Changda Wu, Congrong He, Zachary E. Brown, Branka Miljevic, Chunlin Zhang, Hao Wang, Boguang Wang, Lidia Morawska, Zoran Ristovski
Summary: This study investigates the light absorption, potential sources, and health risks of black carbon (BC) and brown carbon (BrC) during the prescribed burning season in Brisbane. It was found that fossil-fuel combustion contributes more to the total BC, while biomass burning has the potential to form more secondary BrC. Air masses from southern and northern Brisbane were identified as potential pollution sources dominated by biomass burning and traffic emissions. The health risks based on equivalent numbers of passively smoked cigarettes increased during periods with elevated BC emissions, likely from prescribed burns.
ATMOSPHERIC ENVIRONMENT
(2023)
Article
Environmental Sciences
Jesse D. Thacher, Anna Oudin, Erin Flanagan, Kristoffer Mattisson, Maria Albin, Nina Roswall, Andrei Pyko, Gunn Marit Aasvang, Zorana J. Andersen, Signe Borgquist, Jorgen Brandt, Karin Broberg, Thomas Cole-Hunter, Charlotta Eriksson, Kristina Eneroth, Hrafnhildur Gudjonsdottir, Emilie Helte, Matthias Ketzel, Timo Lanki, Youn-Hee Lim, Karin Leander, Petter Ljungman, Jonas Manjer, Satu Mannisto, Ole Raaschou-Nielsen, Goran Pershagen, Debora Rizzuto, Malte Sandsveden, Jenny Selander, Mette K. Simonsen, Lara Stucki, Marten Spanne, Leo Stockfelt, Anne Tjonneland, Tarja Yli-Tuomi, Pekka Tiittanen, Victor H. Valencia, Mikael Ogren, Agneta Akesson, Mette Sorensen
Summary: This study investigated the association between long-term exposure to transportation noise and breast cancer incidence. Weak associations were found between road and railway noise and breast cancer risk. However, more high-quality prospective studies are needed to determine the role of noise as a risk factor for breast cancer.
ENVIRONMENT INTERNATIONAL
(2023)
Article
Environmental Sciences
Marie L. Bergmann, Zorana J. Andersen, Andreas Massling, Paula A. Kindler, Steffen Loft, Heresh Amini, Thomas Cole-Hunter, Yuming Guo, Matija Maric, Claus Nordstrom, Mahmood Taghavi, Stephane Tuffier, Rina So, Jiawei Zhang, Youn-Hee Lim
Summary: This study examines the impact of short-term exposure to ultrafine particles (UFP) on mortality and hospital admissions in Copenhagen. The findings suggest that UFP exposure is associated with increased rates of respiratory and cardiovascular diseases.
ENVIRONMENTAL POLLUTION
(2023)
Article
Multidisciplinary Sciences
Rongbin Xu, Tingting Ye, Xu Yue, Zhengyu Yang, Wenhua Yu, Yiwen Zhang, Michelle L. Bell, Lidia Morawska, Pei Yu, Yuxi Zhang, Yao Wu, Yanming Liu, Fay Johnston, Yadong Lei, Michael J. Abramson, Yuming Guo, Shanshan Li
Summary: Wildfires caused by climate change are increasing in severity and frequency, leading to higher levels of air pollution. This study reveals that the global population is increasingly exposed to air pollution from landscape fires, with higher levels in low-income countries compared to high-income countries.
Article
Environmental Sciences
Muhammad Waqas, Majid Nazeer, Man Sing Wong, Wu Shaolin, Li Hon, Joon Heo
Summary: The socio-economic restriction measures implemented in the United States have significantly reduced nitrogen dioxide (NO2) emissions. The study highlights the impact of factors such as human mobility, population density, income, climate, and stationary sources on the reduction of NO2 at different stations. The research emphasizes the scientific impacts of the NO2 reduction and income inequality revealed by the pandemic on air quality and health disparities.
ATMOSPHERIC ENVIRONMENT
(2024)
Article
Environmental Sciences
Guorui Zhi, Jinhong Du, Aizhong Chen, Wenjing Jin, Na Ying, Zhihui Huang, Peng Xu, Di Wang, Jinghua Ma, Yuzhe Zhang, Jiabao Qu, Hao Zhang, Li Yang, Zhanyun Ma, Yanjun Ren, Hongyan Dang, Jianglong Cui, Pengchuan Lin, Zhuoshi He, Jinmin Zhao, Shuo Qi, Weiqi Zhang, Wenjuan Zhao, Yingxin Li, Qian Liu, Chen Zhao, Yi Tang, Peng Wei, Jingxu Wang, Zhen Song, Yao Kong, Xiangzhe Zhu, Yi Shen, Tianning Zhang, Yangxi Chu, Xinmin Zhang, Jiafeng Fu, Qingxian Gao, Jingnan Hu, Zhigang Xue
Summary: An comprehensive emission inventory for China in 2019, which includes both air pollutants and greenhouse gases, was developed in this study. The inventory utilizes existing frameworks and data to provide comparable emissions data and demonstrates the relationship between emissions and economic development.
ATMOSPHERIC ENVIRONMENT
(2024)
Article
Environmental Sciences
I-Ting Ku, Yong Zhou, Arsineh Hecobian, Katherine Benedict, Brent Buck, Emily Lachenmayer, Bryan Terry, Morgan Frazier, Jie Zhang, Da Pan, Lena Low, Amy Sullivan, Jeffrey L. Collett Jr
Summary: Unconventional oil and natural gas development (UOGD) in the United States has expanded rapidly in recent decades, raising concerns about its impact on air quality. This study conducted extensive air monitoring during the development of several large well pads in Broomfield, Colorado, providing a unique opportunity to examine changes in local air toxics and VOC concentrations during well drilling and completions and production. The study identified significant increases in VOC concentrations during drilling operations, highlighting the importance of emissions from synthetic drilling mud. The findings suggest opportunities to mitigate emissions during UOGD operations.
ATMOSPHERIC ENVIRONMENT
(2024)
Article
Environmental Sciences
Puji Lestari, Akbar R. Tasrifani, Wiranda I. Suri, Martin J. Wooster, Mark J. Grosvenor, Yusuke Fujii, Vissia Ardiyani, Elisa Carboni, Gareth Thomas
Summary: This study developed field emission factors for various pollutants in peatland fires and estimated the total emissions. Gas samples were collected using an analyzer, while particulate samples were collected using air samplers. The study found significant emissions of CO2, CO, PM2.5, carbon aerosols, water-soluble ions, and elements from the fires in Central Kalimantan, Indonesia in 2019.
ATMOSPHERIC ENVIRONMENT
(2024)
Article
Environmental Sciences
Ligang Li, Yuyu Chen, Lu Fan, Dong Sun, Hu He, Yongshou Dai, Yong Wan, Fangfang Chen
Summary: A high-precision retrieval method based on a deep convolutional neural network and satellite remote sensing data is proposed to obtain accurate methane vertical profiles.
ATMOSPHERIC ENVIRONMENT
(2024)
Article
Environmental Sciences
Hyung Joo Lee, Toshihiro Kuwayama, Michael Fitzgibbon
Summary: This study investigated the changes in nitrogen dioxide (NO2) air pollution levels and their disparities in California, U.S. during the pandemic of coronavirus disease 2019 (COVID-19). The results showed a decrease in NO2 concentrations, especially in urban and high-traffic areas. However, socially vulnerable populations still experienced higher levels of NO2 exposure. The study suggests that reducing NO2 disparities, particularly racial inequity, can be achieved through continued regulatory actions targeting traffic-related NOx emissions.
ATMOSPHERIC ENVIRONMENT
(2024)
Article
Environmental Sciences
Maria Chiara Pietrogrande, Beatrice Biffi, Cristina Colombi, Eleonora Cuccia, Umberto Dal Santo, Luisa Romanato
Summary: This study investigates the chemical composition and oxidative potential of PM10 particles in the Po Valley, Italy, and demonstrates the impact of high levels of atmosphere ammonia. The rural area had significantly higher ammonia concentrations compared to the urban site, resulting in higher levels of secondary inorganic aerosol. Although the SIA components did not contribute significantly to the PM10 oxidative reactivity, they were correlated with the oxidative potential measurements. This suggests that the contribution of SIA to PM oxidative toxicity cannot be ignored.
ATMOSPHERIC ENVIRONMENT
(2024)
Article
Environmental Sciences
Natalie Allen, Jan Gacnik, Sarrah M. Dunham-Cheatham, Mae Sexauer Gustin
Summary: Accurate measurement of atmospheric reactive mercury is challenging due to its reactivity and low concentrations. The University of Nevada, Reno Reactive Mercury Active System (RMAS) has been shown to be more accurate than the industry standard, but has limitations including long time resolution and sampling biases. Increasing the sampling flow rate negatively affected RM concentrations, but did not impact the chemical composition of RM captured on membranes.
ATMOSPHERIC ENVIRONMENT
(2024)
Article
Environmental Sciences
Chin-Yu Hsu, Wei-Ting Hsu, Ching-Yi Mou, Pei-Yi Wong, Chih-Da Wu, Yu-Cheng Chen
Summary: This study estimated the daily exposure concentrations of PM2.5 for elderly individuals residing in different regions of Taiwan using land use regression with machine learning (LUR_ML) and microenvironmental exposure (ME) models. The accuracy of the models varied across regions, with the ME models exhibiting higher predictions and lower biases. The use of region-specific microenvironmental measurements in the ME model showed potential for accurate prediction of personal PM2.5 exposure.
ATMOSPHERIC ENVIRONMENT
(2024)
Article
Environmental Sciences
Xiaohan Si, Kerrie Mengersen, Chuchu Ye, Wenbiao Hu
Summary: This study found that there is an interactive effect between air pollutants and weather factors, which significantly affects influenza transmission. Future research should consider the interactive effects between pollutants and temperature or humidity to evaluate the environment-influenza association.
ATMOSPHERIC ENVIRONMENT
(2024)
Article
Environmental Sciences
Luxi Xu, Ruijun Xu, Yunshao Ye, Rui Wang, Jing Wei, Chunxiang Shi, Qiaoxuan Lin, Ziquan Lv, Suli Huang, Qi Tian, Yuewei Liu
Summary: This study aimed to evaluate the impact of ambient air pollution on hospital admissions for angina. The results showed that exposure to ambient particulate matter, sulfur dioxide, nitrogen dioxide, carbon monoxide, and ozone are associated with an increased risk of hospital admissions for angina. The association with nitrogen dioxide exposure was found to be the strongest.
ATMOSPHERIC ENVIRONMENT
(2024)
Article
Environmental Sciences
Xinyu Yu, Man Sing Wong, Majid Nazeer, Zhengqiang Li, Coco Yin Tung Kwok
Summary: This study proposes a novel method to address the challenge of missing values in satellite-derived AOD products and creates a comprehensive daily AOD dataset for the Guangdong-Hong Kong-Macao Greater Bay Area. By reconstructing missing values and developing a new model, the derived dataset outperforms existing products and agrees well with ground-based observations. Additionally, the dataset exhibits consistent temporal patterns and more spatial details.
ATMOSPHERIC ENVIRONMENT
(2024)
Article
Environmental Sciences
Yidan Zhang, Yifan Xu, Bo Peng, Wu Chen, Xiaoyu Cui, Tianle Zhang, Xi Chen, Yuan Yao, Mingjin Wang, Junyi Liu, Mei Zheng, Tong Zhu
Summary: This study developed a sensitive method to measure the metallic components of atmospheric fine particulate matter (PM2.5) and compared the results with different analysis methods. The concentrations of metallic components in personal PM2.5 samples were found to be significantly different from corresponding fixed-site samples. Personal sampling can reduce exposure misclassifications, and measuring metallic components is useful for exploring health risks and identifying sources of PM2.5.
ATMOSPHERIC ENVIRONMENT
(2024)
Review
Environmental Sciences
Jamie Leonard, Lea Ann El Rassi, Mona Abdul Samad, Samantha Prehn, Sanjay K. Mohanty
Summary: Increasing concentrations of microplastics in the Earth's atmosphere could have adverse effects on ecosystems and human health. The deposition rate of airborne microplastics is influenced by both land use and climate, and a global analysis suggests that climate may have a greater impact on the concentration and deposition rate of microplastics than land use.
ATMOSPHERIC ENVIRONMENT
(2024)
Article
Environmental Sciences
Tian Zhou, Xiaowen Zhou, Zining Yang, Carmen Cordoba-Jabonero, Yufei Wang, Zhongwei Huang, Pengbo Da, Qiju Luo, Zhijuan Zhang, Jinsen Shi, Jianrong Bi, Hocine Alikhodja
Summary: This study investigated the long-range transport and effects of North African and Middle Eastern dust in East Asia using lidar observations and model simulations. The results showed that the dust originated from multiple sources and had a long transport time. The vertical distribution of the dust was found to be crucial for assessing its impacts.
ATMOSPHERIC ENVIRONMENT
(2024)