An air quality alert covering the entire state of Minnesota continues on Thursday, marring otherwise fairly ideal weather ...

Wildfire smoke drifting across the Great Lakes has caused air quality to plunge to hazardous levels in several states, ...

Wildfire smoke has pushed Chicago's air quality into the "unhealthy" zone. It's so bad, in fact, that we're the most polluted ...

The National Weather Service has issued a heat advisory for Rhode Island and other parts of Southern New England.

The alert from the state Department of Environmental Conservation, which is in effect from 10 a.m. to midnight, includes the ...

From January through July 2025, Delhi maintained an average AQI of 184, an improvement over recent years (204 in 2024, 183 in ...

Wednesday night saw a very unhealthy Air Quality Index score of 250 following 9 p.m. This score is the fifth of six possible levels, making it the second worst. As such, the AirNow.gov – Home of the U ...

Toronto’s air quality index was at eight, or “high risk,” this morning. Environment Canada says reduced air quality can cause ...

While air quality was in the "unhealthy for sensitive groups" category in Chicago, it was even worse in some suburbs.

With 29 days of clean air, Delhi saw its best July AQI on record. Delhi government called it an ‘unprecedented environmental ...

Wildfire smoke continues to spread southward, keeping air quality concerns heightened through the end of the work week.

Duluth, North Shore are in a Very Unhealthy Air Quality Alert, with the rest of Minnesota under a Red AQI. Wisconsin reports very unhealthy conditions on Thursday, July 31.