The Air Quality Health Index is expected to be as high as seven, or high risk, according to Environment Canada.

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The DEC has issued an air quality health advisory for most of upstate New York due to elevated levels of fine particulate ...

Wildfire season is upon us once again, and smoke is reducing air quality through swaths of the country. Environment Canada ...

Additional plumes of smoke from Canada's active wildfires prompt officials to issue a statewide air quality alert on July 14.

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The newer AQHI takes into account the health effects and environmental concerns associated with varying concentrations of pollution, two factors the AQI does not. AQHI measures the impact of air ...

Air quality is unhealthier-than-average for some people Thursday as winds are blowing wildfire smoke across the Northern ...

An air quality alert for northwest Minnesota has been extended to cover the entire state and run through Monday.

The Wisconsin Department of Natural Resources has issued an Air Quality Advisory for the following counties: Adams, Buffalo, ...

Michigan EGLE has issued a Statewide Air Quality Alert through 12:00 PM Monday for unhealthy air quality values forecast ...