Reversal of Long-Term Trend in Baseline Ozone Concentrations at the North American West Coast

Tropospheric Ozone at Northern Mid-Latitudes: Modeled and Measured Long-Term Changes

(2017) Johannes Staehelin et al.   Atmosphere

Causes of increasing ozone and decreasing carbon monoxide in springtime at the Mt. Bachelor Observatory from 2004 to 2013

(2015) L.E. Gratz et al.   ATMOSPHERIC ENVIRONMENT

Revisiting the evidence of increasing springtime ozone mixing ratios in the free troposphere over western North America

(2015) Meiyun Lin et al.   GEOPHYSICAL RESEARCH LETTERS

Challenges of a lowered U.S. ozone standard

(2015) O. R. Cooper et al.   SCIENCE

Estimating North American background ozone in U.S. surface air with two independent global models: Variability, uncertainties, and recommendations

(2014) A.M. Fiore et al.   ATMOSPHERIC ENVIRONMENT

Changes in ozone over Europe: Analysis of ozone measurements from sondes, regular aircraft (MOZAIC) and alpine surface sites

(2012) J. A. Logan et al.   JOURNAL OF GEOPHYSICAL RESEARCH

Long-term ozone trends at rural ozone monitoring sites across the United States, 1990-2010

(2012) Owen R. Cooper et al.   JOURNAL OF GEOPHYSICAL RESEARCH

Springtime high surface ozone events over the western United States: Quantifying the role of stratospheric intrusions

(2012) Meiyun Lin et al.   JOURNAL OF GEOPHYSICAL RESEARCH

Increasing springtime ozone mixing ratios in the free troposphere over western North America

(2010) O. R. Cooper et al.   NATURE

Background ozone levels of air entering the west coast of the US and assessment of longer-term changes

(2008) Samuel J. Oltmans et al.   ATMOSPHERIC ENVIRONMENT