Category: Health & Medicine

Air quality is improving in Toronto, but the emergency is not over

TORONTO – The air quality alert for the Greater Toronto Area has been lifted after being in effect over the long weekend. As can be seen from the real-time data on Environment Canada’s website (here), the situation — while we write, at 1.30 pm of August 5, 2025 — has improved somewhat, and the AQHI (Air Quality Health Index) has risen in the last few hours from 6 (moderate risk) to 5, 4, and then 3 (low risk) at 11 a.m. this morning. 

CORRIERE CANADESE / Qualità dell’aria fra le peggiori al mondo a Toronto e Montreal

TORONTO – La qualità dell’aria di Toronto continua a detenere un triste primato: è tra le peggiori al mondo, secondo l’istituto svizzero di monitoraggio della qualità dell’aria IQAir, effettuato in tempo reale e consultabile sul sito www.iqair.com/ca/world-air-quality-ranking …alle 8.50 di ieri mattina, Toronto si classificava come la seconda città più inquinata al mondo; a mezzogiorno, la città è scesa, pur rimanendo tra le prime 10 più inquinate, peraltro insieme a Montreal: il Canada, in quel momento, è risultato essere l’unico Paese al mondo con due città nella top ten della peggior qualità dell’aria… Read More in Corriere Canadese >>> 

Toronto and Montreal, air quality among the worst in the world

TORONTO – Toronto’s air quality continues to hold a grim record: it is among the worst in the world, according to the Swiss air quality monitoring institute IQAir, which conducts real-time air quality monitoring and can be consulted here. At 8:50 a.m. this morning, Toronto was the second most polluted city in the world; by midday, the city had dropped, but remained in the top 10 most polluted cities, tied with Montreal. At that time, Canada was the only country in the world with two cities in the top ten for worst air quality and it still is while we are writing this article, at 1.30 pm of August 4, 2025.