The heatwave that brought 100-degree temperatures to the Philadelphia region in June also brought warnings that the air quality was unhealthy for sensitive groups. This was not a coincidence.

Dibba Al-Hisn Municipality has launched an environmental initiative in cooperation with Sharjah Municipality to measure ...

A regional air quality alert was issued for much of Southern California as harmful levels of fine particle pollution spread ...

Part of Northeast Ohio, including Medina, Portage and Summit counties, are under an air quality advisory until midnight.

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

Although there is not yet enough data to document chronic exposure, readings taken in South County indicate cause for concern ...

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

Air Quality Alert issued for Saturday in central Ohio due to wildfire smoke and fireworks. Sensitive groups advised to limit ...

The Mid-Ohio Regional Planning Commission has issued an Air Quality Alert for several central Ohio counties until midnight on ...

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 ...

An Air Quality Advisory is in effect across most of Southeast Michigan through Saturday night, including Livingston, ...

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