Canada, Air Quality and alerts
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Six of the top ten areas in the US with the worst air quality Saturday morning are in New England, according to the government air quality monitor AirNow.
Wildfires burning in western Canada are triggering poor air quality warnings in the upper Midwest, advising people with heart or lung disease, older adults and pregnant people to limit outdoor ...
Smoke from Canadian wildfires persisted across the Upper Midwest on Friday, prompting air quality alerts for millions.