Ozone (O3) is a key air pollutant that is produced from precursor emissions and has adverse
impacts on human health and ecosystems. In the US, the Clean Air Act (CAA) regulates O3 …

In this study we use the ERA-Interim reanalysis data set from the European Centre for
Medium-Range Weather Forecasts (ECMWF) and a refined version of a previously …

Surface ozone increased unexpectedly over northern China during the COVID-19 lockdown
(CLD) period (23 January–29 February 2020), which was characterized by vigorous …

Abstract The NASA Goddard Earth Observing System (GEOS) Composition Forecast (GEOS‐
CF) provides recent estimates and 5‐day forecasts of atmospheric composition to the public …

Stratospheric intrusion and trans-Pacific transport have been recognized as a potential
source of tropospheric ozone over the US. The state-of-the-science Community Multiscale …

By using ozonesonde measurements during July–August in 2016, 2019, and 2020 at
Golmud and Qaidam, European Centre for Medium-Range Weather Forecasts (ECMWF) …

We have analyzed near-global stratospheric data (and mesospheric data as well for H 2 O)
in terms of absolute abundances, variability, and trends for O 3, H 2 O, HCl, N 2 O, and HNO …

Preliminary attempts of quantifying the stratospheric ozone contribution in the observations
at the Zugspitze summit (2962 m asl) next to Garmisch-Partenkirchen in the German Alps …

Balloon-borne measurements of ozone in Lhasa (29.66∘ N, 91.14∘ E; 3650 m above sea
level) in August 2013 are investigated using backward trajectory calculations performed with …

Abstract The Single Field of View (SFOV) ozone (O 3) profiles derived from the Cross-track
Infrared Sounder (CrIS) onboard Suomi National Polar-Orbiting Partnership (SNPP), with a …