Drier and less humid weather arrives Sunday. Expect lots of sunshine, but Canadian wildfire smoke will bring a hazy look to the sky. It will be seasonably warm, with highs near 80.

A special air quality statement that was put in place June 5, when air quality in Ottawa reached "very high risk", has been ...

Poor air quality and reduced visibility are expected in parts of Ontario this weekend as wildfire smoke continues to drift through the region. According to Environment Canada, high levels of air ...

That’s according to IQAir’s Air Quality and Pollution City Ranking, which is updated hourly, the air pollution advocacy ...

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

Wildfire smoke will continue to reduce air quality through Sunday as a north wind carries more smoke down from Canada. An air quality alert is in effect for the entire region. By Monday, the wind will ...

Wildfires in Manitoba and Saskatchewan have forced nearly 35,000 people to evacuate, with entire towns cleared and states of ...

On Friday, almost the entire country is under an Environment Canada air quality warning as wildfires continue to rage across ...

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

Parts of Ontario and Quebec were covered in a thick haze recently, as wildfire smoke from Manitoba and Saskatchewan ...

To reduce pollution and protect public health, it is recommended to avoid gas stations during air-quality alerts or refueling ...

New York DEC and DOH have issued an Air Quality Health Advisory for fine particulate matter on June 7, 2025, due to wildfire ...