Toronto has experienced multiple periods of ‘double exposure’ weather this summer. Here’s what that means - CTV News

Toronto has experienced multiple periods of ‘double exposure’ weather this summer. Here’s what that means – CTV News

August 9, 2025

Toronto has experienced multiple periods of ‘double exposure’ weather this summer. Here’s what that means CTV NewsToronto’s air quality among the worst in the world Thursday as wildfire smoke lingers Toronto StarWildfire Smoke Air Quality Alert: Toronto among top 10 most polluted cities in the world IQAirToronto’s air quality among the world’s worst Thursday as wildfire smoke lingers Toronto StarBenjamin Errett: Toronto is leading the world in this newest summer trend Toronto Star