According to IQAir's global air quality ranking, Toronto is currently the second most polluted city in the entire world. It puts the 6ix ahead of major cities known for chronic pollution, such as ...

The Air Quality Alert has been extended through tonight as the smoke from Canadian wildfires continues to create ...

Connect your device to the Dyson app, and you can even get feedback on your home (and your town’s) air quality. So if you ...

Environment Canada is warning of poor air quality and extreme heat in Toronto on Monday as southern Ontario braces for a week ...

An Air Quality Alert is in effect for all of Southeast Michigan and has now been extended through the end of Tuesday.

An Air Quality Alert remains in effect until midnight Tuesday night for several Chicago-area counties. Here's what to know.

Amid hot, dry weather in Northern California, a lightning-sparked fire near Shasta Lake has grown to almost 12,000 acres. The ...

You probably noticed a haze to the sky on Monday, and we’ll likely see it again on Tuesday. Wildfire smoke from Canadian ...

The National Weather Service issued Air Quality Alerts to signify that air quality has been compromised by wildfire smoke. The air is likely to cause issues for those with preexisting cardiovascular ...

With Michigan under an air quality alert, health officers are urging residents to be cautious. Smoke from Canadian wildfires has caused the air quality in Michigan to be ...

The Chicago area recorded ozone levels of 156 late Monday afternoon. Levels above 100 are considered unhealthy. Residents ...

As smoke from Canadian wildfires blankets northern Michigan, concerns are mounting over potential long-term health effec ...