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Health, Science & Environment

Smoke from Canadian wildfires create unhealthy conditions in central Ohio

Smoke from Canadian wildfires blanketed downtown Columbus on July 17, 2026.
Mark Ferenchik
/
WOSU Public Media
Smoke from Canadian wildfires blanketed downtown Columbus on July 17, 2026.

Wildfire smoke from Ontario created hazardous air quality index levels Friday in central Ohio.

AirNow.gov, which is run by the federal government, says levels Friday morning reached more than 300. Those condition can cause serious health problems, including respiratory and cardiovascular issues.

James Gibson is a meteorologist at the National Weather Service in Wilmington. Gibson said to expect the smoke to move out of the area soon.

"Today (Friday) is probably the worst day. The wind direction is changing more southwesterly, so the smoke should technically move out, start moving out tonight, so tomorrow will definitely be better as far as smoke," Gibson said.

Rain is predicted for Friday night and Saturday. While Gibson said that will help, the change in wind direction will help the most.

When smoke is in the air, people should reduce their time outdoors. If you have to be outdoors, avoid strenuous activities and consider wearing a K95 or N95 mask.

Tags
Health, Science & Environment WildfiresAir QualitycanadaPollution
Mark Ferenchik is news director at WOSU 89.7 NPR News.
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