The American Lung Association's annual air quality report shows that some of the most polluted air is in the areas around Las ...

Erin Davis/Axios Visuals Des Moines' air quality is deteriorating, with fine particle pollution rising more than 7% over the last decade, according to year-over-year EPA data. Why it matters: A ...

Air quality index is used by government agencies to communicate to the public how polluted the air is. Public health risks increase as the AQI rises. Eight pollutants namely particulate matter PM10, ...

Air quality index is used by government agencies to communicate to the public how polluted the air is. Public health risks increase as the AQI rises. Eight pollutants namely particulate matter PM10, ...