Researchers found that wildfire smoke can raise ozone to dangerous levels, posing hidden health risks even in remote areas.

Air quality has taken a serious hit across the United States as a two-fold blow of wildfires in the West and in Canada have sent smoke pouring across large sections of the country — a problem that’s set to linger for days.

Air Quality will be Poor at times Today especially now until the early afternoon then some improvement in Air Quality between 2 p.m. to 8 p.m. but then another Cold Front moving south from Canada Tonight will push another Large Plume of Canadian Wildfire Smoke into the Twin Cities after 10 p.