Oxides of nitrogen (NOx) and volatile organic compounds (VOCs) released into the
atmosphere can react in the presence of solar irradiation, leading to ozone formation in the …

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 …

Background: Few large multicity studies have been conducted in develo** countries to
address the acute health effects of atmospheric ozone pollution. Objective: We explored the …

Objective To assess short term mortality risks and excess mortality associated with exposure
to ozone in several cities worldwide. Design Two stage time series analysis. Setting 406 …

Background Ambient ozone pollution is steadily increasing and becoming a major
environmental risk factor contributing to the global disease burden. Although the association …

With outbreak of the novel coronavirus disease (COVID-19), immediate prevention and
control actions were imposed in China. Here, we conducted a timely investigation on the …

Background Epidemiological evidence on short-term association between ambient carbon
monoxide (CO) and mortality is inconclusive and limited to single cities, regions, or …

Existing studies focused on the evaluation of health burden of long-term exposure to air
pollutants, whereas limited information is available on short-term exposure, particularly in …

Abstract Bei**g-Tian**-Hebei and its surrounding areas (hereinafter referred to as “2+ 26”
cities) are one of the most severe air pollution areas in China. The fine particulate matter …

Both ozone exposure and extreme temperatures are found to be significantly associated
with mortality; however, inconsistent results have been obtained on the modification effects …