- Associated Press - Tuesday, July 7, 2015

OKLAHOMA CITY (AP) - The Oklahoma Department of Environmental Quality says smoke from enormous wildfires in Alaska and Canada is making the air in northwestern Oklahoma unhealthy.

The agency reported Tuesday that air quality monitors in northwestern Oklahoma have detected concentrations of fine particulate matter considered unhealthy for sensitive groups. Much of it originated as smoke from enormous wildfires in Alaska and Saskatchewan.

Officials say any rain should reduce the concentration. But persons with respiratory or heart disease, the elderly, children and others should refrain from exertion and try to avoid smoky areas.

Smoke from the wildfires has resulted in advisories in other parts of the Midwest and western U.S. including Washington, North and South Dakota, Minnesota, Colorado and Wisconsin. Environment Canada has issued air quality warnings for much of Saskatchewan and other provinces.


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