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 ...

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

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

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

The National Weather Service announced air quality alerts in 10 states Tuesday as smoke from the Canadian wildfires continues ...

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

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.

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 ...