The National Weather Service has issued a heat advisory for parts of northern Connecticut Monday, as officials also warned of elevated levels of ozone in western parts of the state. The heat advisory ...

The Michigan Department of Environment, Great Lakes, and Energy has declared an air quality alert for Friday. There are ...

“Air quality levels in outdoor air are predicted to be greater than an Air Quality Index value of 100 for the pollutant of ...

On Saturday at 3:45 p.m. an air quality alert was reported by the National Weather Service in effect until Monday at midnight ...

The Southwest Ohio Air Quality Agency reports that "levels of ozone within the region may approach or exceed unhealthy standards." ...

Indianapolis faces some of the worst air quality in the world due to July 4th fireworks, leading to PM 2.5 particle pollution ...

The Michigan Department of Environment, Great Lakes and Energy issued an air quality advisory Friday night effective through ...

Freeway north of LA is under an air quality alert which was reported by the National Weather Service on Thursday at 2:43 p.m.

EDT the National Weather Service reported an updated air quality alert for St. Clair, Livingston, Oakland, Macomb, Washtenaw, ...

EDT the National Weather Service reported an air quality alert in effect until Saturday at midnight EDT for Berrien County.

An air quality alert was issued Thursday by the National Weather Service for the entire Chicago area through Friday night.

On Saturday at 3:45 p.m. an air quality alert was reported by the National Weather Service in effect until Monday at midnight ...