The Southwest Ohio Air Quality Agency reports that "levels of ozone within the region may approach or exceed unhealthy standards." ...

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

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

An air quality alert was issued Thursday by the National Weather Service for the entire Chicago area through Friday night.

EDT an air quality alert was reported by the National Weather Service in effect until Sunday at midnight EDT for Berrien ...

Freeway north of LA is under an air quality alert which was reported by the National Weather Service on Thursday at 2:43 p.m.