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 ...

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 ...

The Air Quality Index, or AQI, is an air quality alert system maintained by the U.S. Environmental Protection Agency (EPA).

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 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 ...

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 ...

Officials warn dust pollution can penetrate lungs, triggering asthma and heart problems, especially for vulnerable groups.

University of Vermont buildings and others are seen through haze in a view from the beltline in Burlington on Tuesday, July 15. Photo by Glenn Russell/VTDigger A wafting trail of Canadian wildfire ...

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 ...

Between 2024 and 2025, Jacksonville's air quality conditions declined from "A" to "B" in the American Lung Association’s “State of the Air” report, stating that residents are being exposed to more ...