A new report by the American Lung Association found that more than one in three Americans were exposed to unhealthy levels of air pollution between 2019 to 2021. Released on Wednesday, the 24th annual State of the Air report grades Americans' exposure to two of the nation's most pervasive air pollutants: ground-level ozone, an air pollutant that forms smog, and …
Ground-level ozone has started to emerge as Delhi’s lead pollutant during the day regularly over the last few days, particularly after good spells of rain, according to data from the Central Pollution Control Board. On March 31, when Delhi recorded its lowest 24-hour average AQI for the year at 73, it was still “satisfactory”, with both O3 and carbon monoxide …
