Wildfire smoke spreading throughout northwestern Ontario has prompted closures and event cancellations on Tuesday.

Environment and Climate Change Canada has issued air quality warnings for the Ear Falls, Pickle Lake, Pikangikum, Red Lake and Sandy Lake areas.

Meanwhile, special air quality statements have been issued for the following areas:

Armstrong.

Atikokan.

Beardmore.

Thunder Bay.

Dryden.

Ignace.

Nipigon.

Sioux Lookout.

Wildfire smoke from Ontario and Manitoba wildfires may remain in the region for the next several days, Environment and Climate Change Canada said.

"As smoke levels increase, health risks increase," the Northwestern Health Unit said in a news release issued Monday.

First Nation chiefs share safety concerns amid wildfire evacuations in northwestern Ontario

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