Canadian wildfire smoke is again putting Minnesota under a statewide air quality alert that will last until 5 p.m. Saturday.

An air quality alert was issued in Delaware on Tuesday, July 29, as ozone levels reached unhealthy levels for sensitive ...

An Air Quality Alert has been issued for parts of northern New York and Vermont today because of Canadian wildfire smoke.

The Mid-Ohio Regional Planning Commission on July 30 issued an air quality alert for Columbus and several central Ohio counties, warning that it's expected to become unhealthy for sensitive groups.

"The New Jersey Department of Environmental Protection has issued a code orange air quality alert Tuesday for Ocean County ...

Unhealthy air quality is expected in southern Rhode Island on Tuesday, July 29, due to high ground-level ozone. Residents are ...

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The best way to protect yourself from poor air quality is to stay indoors, especially when the Air Quality Index reaches ...

Canadian wildfire smoke no longer lingers in Michigan as of July 18. Southwest Michigan will experience unhealthy air for sensitive groups on July 21.

As of 8 a.m., multiple air quality sensors are reporting readings in the “Unhealthy for Sensitive Groups” (AQI 101–150) to “Unhealthy” (AQI 151–200) range.

The Mid-Ohio Regional Planning Commission has issued an air quality alert for July 23 for four central Ohio counties, ...

An air quality alert was issued by the National Weather Service in Mount Holly at 3:45 p.m. on Monday, July 28. This warning ...