Wildfire smoke continues to cause poor air quality across much of Ontario today, with minimal improvement expected heading into the weekend.
Revised forecasts indicate that several regions may not experience the clear skies originally predicted as smoke from ongoing wildfires in the northwest is being pushed south by shifting winds.
There were slight improvements in southern Ontario air quality overnight but conditions worsened by morning.
Environment Canada categorized the air quality health index (AQHI) as high to very high throughout large swaths of the province as of 9 a.m. Several of the cities in southern and southwestern Ontario are being assigned a rating of 10+, the highest risk level on the index….