The Air Quality Index (AQI), a system used to communicate how much pollution is in the air, is expected to reach the red or ...

What’s clear to Republican legislators is that hazy American skies due to Canadian wildfires are not a fluke of nature.

Storms pummeled the Northeast on Thursday, with states of emergency declared for New York City and parts of New Jersey. Torrential rain and thunderstorms swept through the region, prompting flash ...

Smoke from the more than 700 wildfires burning in Canada is continuing to blanket parts of the Midwest for a final day.

Environment Canada has issued an air quality statement for Montreal today due to smoke from wildfires in the Prairies.

For the full 24 hours of Aug. 3, the New York State Department of Environmental Conservation is issuing an air quality health ...

Canadian Prairie provinces see early seeding with hopes of a high canola yield, but an ongoing drought is threatening crop ...

Smoke from Canadian wildfires hovered over several Midwestern states Saturday, bringing warnings of unhealthy air.

Minnesota is experiencing its longest air quality alert on record — seven days. The alert will remain in effect until noon on ...

When wildfires burn, the smoke can travel long distances and degrade air quality far away, which presents risks for those ...