EDT an air quality alert was reported by the National Weather Service in effect until Friday at noon EDT for Mason, Lake, ...

If outdoor travel is unavoidable, a well-constructed, well-fitting and properly worn respirator-type mask (such as a ...

The Ottawa-Gatineau region is still experiencing poor air quality from drifting wildfire smoke, prompting Environment Canada ...

Shortly before 7 a.m., the federal Air Quality Health Index showed Ottawa air quality at “10-High Risk.” That condition ...

Ottawa's Air Quality Health Index isn't expected to reach the highs of 2023, but residents could still see a haze of smoke ...

According to the Ontario’s Air Quality Health Index (AQHI), areas that had “high risk” ratings on Friday were Belleville, ...

Air quality alerts are in effect across much of Canada as Prairie wildfires send smoke eastward, blanketing southern Ontario ...

Smoke from wildfires burning in northern Ontario and the Prairies of Canada caused poor air quality and reduced visibility in ...

EDT on Saturday, the National Weather Service reported an air quality alert in effect until 1 p.m. EDT for Mason, Lake, ...