It wasn’t that long ago that few people were monitoring the air—not the government, not its citizens. Today, weather apps provide estimates of outdoor air quality, and the government’s own air quality ...

Canadian wildfire smoke is impacting the air quality in northern Ohio. AirNow, part of the Environmental Protection Agency, has issued an air quality alert for most of northern Ohio. The Air Quality ...

CHICAGO (WLS) -- An air quality alert has been extended for part of the Chicago area through Thursday. The alert for McHenry, Lake, Kane, DuPage, Kendall, Grundy, Cook and Will counties in Illinois ...

Air pollution is the leading environmental risk to human health, causing respiratory and cardiovascular disease as well as ...

Do certain smells remind you of summer? Campfires and cookouts are longstanding staples. Now, it seems we can add wildfire smoke. Off and on through this summer, and especially in the past few days, ...

Smoke from Canadian wildfires is causing air quality concerns and hazy skies for many Americans in the Midwest and Northeast for another day this week. A map of the current Air Quality Index, the ...

Smoke from Canadian wildfires is once again impacting air quality in the Chicago area, with air quality index readings Thursday morning in the "unhealthy" category for some suburbs, according to ...

Editor's Note: An air quality alert has been issued for northwest Indiana, starting at midnight and continuing in Tuesday. Air quality across the Chicago area is once again in the "unhealthy" category ...

On top of the fact that Wednesday is a messy, murky day weather-wise in the tri-state area, much of the region is also under an air quality alert due to elevated levels of fine particulate matter (PM ...

The Sacramento area woke up to a sheer haze permeating the Valley air, thanks to fine pollutants settling near the ground. According to IQAir, the county’s air quality was “unhealthy for sensitive ...

Until midnight tonight, make a gift and it will be matched dollar for dollar. University of Vermont buildings and others are seen through haze in a view from the beltline in Burlington on Tuesday, ...

Several of Texas’s biggest cities, including Houston, Dallas, and San Antonio, have been blanketed by multiple ozone action days this week. Issued by the state’s environmental agency and relayed by ...