On Monday at 2:45 p.m. the National Weather Service reported an air quality alert in effect until 10 p.m. for Tualatin Valley ...

An air quality alert remains in effect for the entire Chicago area, with another "Air Pollution Action Day" alert declared as ...

Wildfire smoke from Canada will bring hazy skies and diminished air quality to Northeast Ohio starting on Tuesday.

While officials continue to monitor the smoke lingering in Michigan, here's how to read the Air Quality Index: The AQI ...

An air quality advisory is in effect until 12 a.m., Saturday, June 7, as Michigan continues to see effects of Canadian ...

New York City faces another air quality alert Thursday, along with some of the surrounding area. The alert will be in effect ...

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