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

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 ...

Fireworks are happening across the city again this year, which poses two issues–highly concentrated pollution, and uniquely ...

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