Experts are trying to refine emergency alerts, as the GTA experienced some of the worst air quality in the world this week. Data released by the Ontario-based community platform Nextdoor showed that ...

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Tuesday’s air quality warning has dropped to a 5, considered a moderate risk, down from Monday’s peak of 10+ on the Air Quality Health Index’s 10-point scale.

By far the best option is to avoid bad air entirely. Traffic is a major source of pollution, and sunlight triggers a rise in ...

The nation's largest public utility says it is looking at other sites for a new natural gas power plant after its preferred location in Tennessee drew heavy public scrutiny, including from country ...

The leader of Camp Mystic had been tracking the weather before the deadly Texas floods, but it is now unclear whether he saw ...

Eleven's parent company, Alimentation Couche-Tard Inc. announced Wednesday that it was withdrawing from negotiations due to ...

Another northern Saskatchewan community is now under a full evacuation order due to growing wildfire danger. Residents of ...

The Canadian government’s map of wildfire smoke fine particulate matter models wildfire smoke for July 16-18, 2025. It shows ...