Ozone (O3) in the troposphere is an air pollutant and a greenhouse gas. In mainland China,
after the Air Pollution Prevention and Action Plan was implemented in 2013—and despite …

A big gap exists between current air quality in China and the World Health Organization
(WHO) global air quality guidelines (AQG) released in 2021. Previous studies on air …

The less improvement of ambient visibility suspects the government's efforts on alleviating
PM2. 5 pollution. The COVID-19 lockdown reduced PM2. 5 and increased visibility in …

In recent years, the emissions control in nitrogen oxides (NO x) was conducted across
China, but how the concentrations of NO x and its product ozone (O 3) in the atmosphere …

Abstract Fine particulate matter (PM2. 5) and ozone (O3) double high pollution (DHP) events
have occurred frequently over China in recent years, but their causes are not completely …

The effects of meteorological conditions controlled by specific synoptic patterns on regional
surface ozone episodes have been widely discussed. However, the impacts of synoptic …

Urbanization or rural–urban transformation (RUT) represents one of the most important
anthropogenic modifications of land use. To account for the impact of such process on air …

Due to a lack of long-term observations in China, reports on historical ozone concentration
are severely limited. In this study, by combining observation, reanalysis and model …

Leaves of trees experience the maximum brunt of exposure and undergo certain changes in
physiological traits responding to air pollution, and then, the specific leaf traits can be the …

In recent years, ozone pollution has attracted wide attention from the scientific community,
policymakers and the public. Previous studies have already confirmed the effects of …