Michigan's air, which has been tainted for several days by wafting smoke from Canadian wildfires, is expected to improve over ...

Poor air quality fuelled by wildfires burning across the Prairies left a large swath of the country enveloped in a haze again ...

Wildfire smoke has sparked the national weather agency to issue air quality warnings around the county of Grande Prairie and ...

Environment Canada says wildfire smoke is affecting air quality in northeastern British Columbia. The agency issued special air quality statements Saturday for Fort Nelson and the Peace River region, ...

Active children, the elderly and people with asthma and COPD are more likely to suffer an increase in the number and severity ...

The Minnesota Pollution Control Agency (MPCA) has issued an air quality alert for the entire state of Minnesota, which will ...

Conditions are expected to gradually improve Sunday as winds dillute the fine particulate matter that affects health.

Much of Ontario remains under special air quality statements or warnings today amid smoke from wildfires burning in other ...

The Air Quality Health Index was first created to show possible health and environmental impacts to vegetation, visibility ...

Toronto’s air quality is ranked among the worst in the world today as smoke from wildfires drifts into the region.