Dhaka, the overcrowded capital city of Bangladesh, has topped the list of cities with the worst air quality with an AQI index of 173 at 9:05am today (19 April). The air was classified as 'unhealthy', ...

The red-level air quality index (AQI) category—covering values from 151 to 200—means the air is unhealthy for everyone, not ...

The National Weather Service reported an air quality alert at 1:29 p.m. on Wednesday in effect until Friday at 7 a.m. The alert is for Kearney Area and Grand Island ...

A new study has found a direct link between early-life exposure to ground-level ozone and asthma or wheezing in young children.

On Tuesday at 1:59 p.m. the National Weather Service reported an air quality alert in effect until Wednesday at 10 a.m. The alert is for Nance, Merrick, Polk, Hamilton, York, ...

Mount Rushmore tourists hit with air quality warning - Air quality index values were estimated to have peaked at 161 at a key ...

Tourists visiting Mount Rushmore should be aware that a wide stretch of the Great Plains encompassing parts of western South ...

Senior writer Chris DeWeese edits Morning Brief, The Weather Channel’s weekday newsletter.

The Lincoln-Lancaster County Health Department issued an Air Quality Advisory on Tuesday due to smoke from controlled burning ...

As the fires burned in Los Angeles, scientists and local air regulators deployed monitors to measure the levels of heavy ...

Today’s air was classified as 'unhealthy’, referring to a health risk to residents, according to the AQI index ...

We all know outdoor pollution is a problem, but the chances are you're not too worried about the quality of air in your home. However, many of the things we do to make our homes more comfortable, such ...