Detroit faces significant air pollution. Planet Detroit's guide details common pollutants and protective measures.

Air quality in the Chicago area has remained poor for three days in a row, the NBC 5 Storm Team reported Wednesday morning.

With various air quality indexes available, and as wildfire smoke becomes an increasing health risk, here’s what often goes ...

The EPA's Air Quality Index can tell you whether breathing outside air can be harmful. Here's how to read the scale to plan ...

Manitoba is looking to expand the infrastructure it has to monitor air quality, a step experts say is important to better map ...

The current infrastructure also isn’t set up to fully account for the shifting behavior of wildfire smoke, which can travel ...

Columbus' air quality is yet again expected to dip into "unhealthy for sensitive groups" levels on June 12.

Many studies have shown how reduced air quality can compare to smoking cigarettes. Moderate air quality currently is like smoking one cigarette per day.

The EPA's Air Quality Index can tell you whether breathing outside air can hurt you. How to read the scale.

An air quality alert remained in effect for the entire Chicago area Friday, with another "Air Pollution Action Day" alert declared as wildfire smoke from Canadian wildfires continues to impact ...