River-induced circulations alter ozone distribution, source 1 contributions, and chemical sensitivity in a river–valley city along the 2

Urban–Suburban Differences in Ozone Formation Mechanism and VOC Sources in the Lake Taihu Region, China

Ground-level ozone (O3) pollution has become a major air-quality concern in the Yangtze River Delta, a highly urbanized region with abundant lakes and rivers. However, the mechanisms underlying urban-suburban O3 differences in lakeside regions remain insufficiently understood. In this study, simultaneous observations o...

Characteristics and Photochemical Formation Mechanisms of Summertime Ozone Pollution in Suburban Shanghai

To characterize summertime ozone (O3) pollution at the Dianshan Lake suburban site, hourly surface observations and 15 min ozone-lidar profiles were collected during June–August 2022. Monthly mean O3 increased progressively from June through August (89.0 ± 47.4 to 102.1 ± 59.3 μg/m3), while VOCs averaged 33.9 ± 22.4 μg...

Anthropogenic - biogenic interactions and regional transport 1 drive summer ozone formation in an agricultural - urban 2 interface of Northeast China 3

Spatiotemporal characteristics of ozone and PM2.5 pollution in Jilin City: insights from observations in 2020 and 2023

Multiscale Modeling of Ozone Formation and Chemical Regimes in Arizona during the North American Monsoon

Ground-level ozone (O3) remains a persistent air-quality challenge in the Southwest U.S. desert, including Arizona, despite nationwide emission reductions. Here, we apply the variable-resolution global chemistry–climate model MUSICAv0 to investigate O3 formation, transport, and chemical regime variability across Phoe...

Evolution and drivers of urban–suburban ozone contrasts in China during 2013–2020