On Sunday at 3:27 p.m. an air quality alert was reported by the NWS San Diego CA in effect until Monday at 8 a.m. for ...

There were no air quality alerts across the U.S. early Friday, following a flurry of warnings partly linked to wildfires in ...

Air quality warnings show PM2.5 particles at dangerous levels. Learn why today's hazy sky is a toxic soup that's damaging ...

Air quality alerts have been posted across the US Northeast, including New York City and Washington, due to Canadian wildfire ...