Toronto has seen the worst air quality of major cities in the world on Wednesday as southern Ontario is blanketed by smoke from wildfires. Global News meteorologist Anthony Farnell said the plume ...

In Toronto, air quality warnings were prevalent in June. Experts say Torontonians should expect more smoke this summer, as Ontario's fire season officially starts this week. "We had limited ...

Learn about the latest ASHRAE & CSA air filtration standards with Camfil Canada. Practical tips help facility managers ...

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The skies will be mostly cloudy. The low will be -7° during this blustery night. Good air quality (0-50) Primary pollutant PM2.5 6.0 μg/m³ Pressure is the weight of the air in the atmosphere.