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 ...

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

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