EDT on Tuesday, the National Weather Service reported an air quality alert in effect until Thursday at midnight EDT for ...

The heat warning issued last Friday for the Ottawa-Gatineau region should last until Thursday night, according to Environment ...

The National Weather Service reported an air quality alert at 11:54 a.m. EDT on Sunday in effect until Tuesday at midnight ...

Wildfire smoke degrades air quality in swaths of Ontario, with Toronto ranking among the worst in the world on Monday.

The Michigan Department of Environment, Great Lakes, and Energy (EGLE) has issued an Air Quality Alert for coastal Michigan ...

Saskatchewan Roughriders fans who headed to Regina's Mosaic stadium Friday had a rough night, sitting through rounds of ...

Much of Central Canada and Manitoba are under special air quality statements or warnings today amid smoke from wildfires ...

Much of Central Canada, Manitoba and Saskatchewan were placed under special air quality statements or warnings on Monday due ...

The EPA's Air Quality Index can tell you whether breathing outside air can be harmful. Here's how to read the scale to plan ...

The Michigan Department of Environment, Great Lakes, and Energy (EGLE) has issued an Air Quality Alert statewide Sunday until ...

This major city was ranked the 2nd most polluted city by IQAir on Monday due to wildfire smoke from the Prairies. Michael Vann has some advice on how to cope with poor air quality.