Los Angeles County is the focus of an air quality alert reported at 1:58 p.m. on Wednesday by the National Weather Service.

At 1:58 p.m. on Wednesday, the NWS Los Angeles/Oxnard CA reported an air quality alert in effect until Saturday at 11 p.m.

On Wednesday at 2:12 p.m. an air quality alert was reported by the NWS San Diego CA in effect until Sunday at midnight. The ...

A new tool seeks to change that. It provides real-time air quality data from four stations located atop buildings in ...

An air quality alert was reported by the National Weather Service on Sunday at 9 a.m. in effect until 8 p.m. for Westmoreland ...

At 4:30 p.m. on Saturday, the National Weather Service reported an air quality alert in effect until Sunday at 4 p.m. for ...

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

The National Weather Service reported an air quality alert at 3:45 p.m. on Saturday in effect until Monday at midnight for ...

How a new monitoring system improves fire detections and captures the air pollution effects of planned peatland burns.

Sensitive groups are at a higher risk of health issues due to the outside air, according to area air quality experts.

Is breathing getting tough? Seasonal air quality changes in India are exacerbating asthma and rhinitis. Get expert insights ...

Potentially hazardous air quality has gripped Phoenix, Arizona, as a combination of stagnant weather, windblown dust, and warm temperatures fueled a rise in PM10 pollution, prompting hazy skies and ...