EDT an air quality alert was reported by the National Weather Service in effect until Wednesday at midnight EDT for Muskegon, ...

EDT the National Weather Service reported an air quality alert in effect until Wednesday at midnight EDT for Cass and Berrien ...

An air quality alert was reported by the National Weather Service on Saturday at 10:18 a.m. in effect until Sunday at ...

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 ...

Maps show where new plumes of smoke will cause hazy skies through the end of the week. Low-level smoke is forecast to spread ...

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