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NewsSouth Florida ReporterJuly 16, 2026United States

Wildfire Smoke Causing Poor Air Quality Across Great Lakes and Northeast

Wildfire smoke from southern Ontario is moving into the Great Lakes and Northeast regions, creating hazardous air quality conditions. The smoke is combining with local ozone and humidity, with peak impacts expected through Thursday.

environmentpublic healthwildfiresair quality
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Why It Matters

Residents in the affected regions face potential health risks from poor air quality, which may require limiting outdoor activities and taking precautions to reduce indoor smoke exposure through Saturday.

Key Facts

  • Wildfire smoke is originating from southern Ontario near the Canada-Minnesota border.
  • Air quality is forecast as 'Dangerous' in Rochester and Buffalo.
  • Air quality is forecast as 'Very Unhealthy' in Boston and Toronto on Wednesday.
  • Air quality is forecast as 'Unhealthy' in New York City and Detroit.
  • Smoke conditions are expected to worsen through Thursday across southern New England, New York, Pennsylvania, New Jersey, lower Michigan, and northern Ohio.
  • Poor air quality is caused by a combination of wildfire smoke, ozone, car/factory emissions, and humidity.
  • Smoke is expected to linger in the Northeast, Ohio Valley, and mid-Atlantic through Saturday.
  • Recommended precautions include keeping windows/doors closed, using air purifiers, and wearing N95 or KN95 masks outdoors.
  • Vulnerable groups include children, older adults, and people with asthma, COPD, or heart disease.

Who's Mentioned

locationOntario“Current source of wildfire smoke.”personBrandon Buckingham“AccuWeather Expert Meteorologist.”locationQuebec“Site of a 2023 major fire outbreak.”organizationAccuWeather“Source of meteorological data and air quality forecasts.”personElizabeth Danco“AccuWeather Expert Meteorologist.”