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

Good morning, Coachella Valley. We're off to a toasty start to the morning of what will certainly be another very hot day.

EDT the National Weather Service reported an air quality alert in effect until Saturday at midnight EDT for Berrien County.

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

An air quality alert was reported by the National Weather Service on Thursday at 11:29 a.m. EDT in effect until Saturday at ...

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.