Ahh, We Can Finally Breath Without Fear Outdoors Again – At Least For Now

But Those Wildfires In Northwestern Ontario Are Still Burning & Spewing Out Smoke With A Vengeance

A Brief Update from Environment Canada

Posted July 19th, 2026 on Niagara At Large

For the moment, at least, Niagara’s air quality is now down in the low risk range so enjoy some time outdoors.

Air quality in St. Catharines/Niagara today is at a Low Risk level, with an Air Quality Health Index (AQHI) of 2 to 3. The air is ideal for all outdoor activities, as the special air quality alerts caused by northwestern Ontario forest fire smoke have been lifted.

For the most up-to-date, hyper-local monitoring data throughout the day, you can check the live tracking on the Environment Canada St. Catharines AQHI page or view the provincial readings via Air Quality Ontario.

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