Canadian wildfire smoke is affecting air quality in parts of Michigan. The EPA's air quality index (AQI) uses a color-coded scale to inform the public about air quality and associated health risks.
Advocates caution that the Trump administration's reversal of PM 2.5 air quality standards could exacerbate health risks in ...
Canadian wildfire smoke is causing air quality alerts and advisories across Michigan. PM2.5 levels are unhealthy in several Michigan cities, prompting recommendations to limit outdoor activities.
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