The National Weather Service said the alert will be in effect until Sunday morning in the Santa Clarita Valley and Saturday ...

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

Freeway corridor near Santa Clarita, Western San Gabriel Mountains/Highway 14 Corridor and Eastern San Gabriel Mountains are ...

The National Weather Service in Boulder has issued an air quality alert for Rio Blanco, Eagle, Summit, Garfield, Pitkin, ...

According to the National Weather Service, the alert is now in effect for multiple north central West Virginia counties, ...

An air quality alert was reported by the National Weather Service on Sunday at 4:43 p.m. in effect until Monday at 8:45 a.m.

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

The National Weather Service reported an air quality alert at 1:20 p.m. EDT on Monday in effect until Wednesday at midnight ...

On Monday at 3:01 p.m. EDT the National Weather Service reported an air quality alert in effect until Tuesday at 11:45 p.m.

According to the National Weather Service, the air quality alert remains in effect through midnight in parts of the Chicago ...