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2w ago

Persistent Canadian Wildfire Smoke Deteriorates Northern U.S. Air Quality

Health officials warn sensitive groups to limit outdoor activity, forecasting brief relief from incoming rain showers.

A stock photo shows a woman coughing while outdoors.
Image
A forecast map from AccuWeather shows which states are likely to see wildfire smoke impacts this summer.
A stock photo shows closed windows.

Overview

  • More than 200 wildfires across central and western Canada have burned over 8.6 million acres, fueling persistent smoke plumes.
  • Air quality alerts span states from Minnesota and Montana to New England, with residents urged to limit outdoor activities as smoke drifts south.
  • AccuWeather forecasts below-average rainfall and above-average heat this summer, prolonging smoke intrusions despite brief breaks from incoming storms.
  • Health experts recommend sensitive groups stay indoors, wear N95 masks outdoors and use high-efficiency filters or purifiers to reduce smoke exposure.
  • Expected rain showers may help Alberta firefighters contain blazes, but the risk of lightning-induced ignition remains as storms move through the region.