MIchigan's air quality will be unhealthy for some groups Saturday. Check the air quality index map to see if it's good or bad ...

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 ...

If you have breathing problems, be sure to take it easy tomorrow or limit outdoor time. Air quality will be unhealthy for ...

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

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

After a few days of jubilant fireworks launching, Columbus' air quality is taking a hit, causing the Mid-Ohio Planning ...