Canadian wildfire smoke lingers in Michigan. Officials issued an air quality advisory in southeast Michigan for July 15.

A series of maps showed data for multiple types of pollutant.

Residents in lower-income areas, often near highways and industrial sites, still breathe some of the dirtiest air in the state.

5 Freeway north of LA is the focus of an updated air quality alert reported at 5:03 p.m. on Wednesday by the National Weather Service. The alert is in effect until Thursday July 10, at 8:15 p.m.

Los Angeles County is the focus of an updated air quality alert reported at 5:03 p.m. on Wednesday by the National Weather Service. The alert is in effect until Thursday July 10, at 8:15 p.m. “The ...

Los Angeles County is the focus of an updated air quality alert reported at 3:30 p.m. on Wednesday by the National Weather Service. The alert is in effect until Thursday July 10, at 8:15 p.m.

On Wednesday at 8:20 a.m. the NWS Los Angeles/Oxnard CA reported an air quality alert in effect until Thursday at 8 p.m. The alert is for Calabasas and Agoura Hills, Eastern San Fernando Valley ...

MIchigan's air quality will be unhealthy for some groups Saturday. Check the air quality index map to see if it's good or bad near you.

The Santa Barbara County Air Pollution Control District (APCD) is announcing its newly upgraded Permitted Facilities Map, which serves as an easy-to-use tool for the public to find and view records ...

Santa Ana Mountains/Foothills, Orange County Coast, Orange County, San Bernardino and Riverside County Valleys and San Gorgonio Pass Near Banning are under an air quality alert which was reported ...

EPA has given two steelmakers more time to meet air toxics rules strengthened last year, a break expected to lead to the release of significantly more hazardous pollution than previously forecast.