Weekend wildfire smoke produced some of the worst air pollution ever recorded in MN originally appeared on Bring Me The News. The smoke from Canadian wildfires produced some of the worst fine particle pollution on record in Minnesota over the weekend.

Wildfire smoke has made its return to Central Oregon skies. As wildfires continue to burn around the region, many residents are waking up to hazy skies, air quality alerts and the lingering smell of smoke.

Air pollution levels over Redding and parts of Shasta County are close to hazardous levels at times, due to heavy Green Fire smoke and pollutants.

The Rochester area is still having some air quality concerns on Tuesday because of smoke from Canadian wildfires.

Amid hot, dry weather in Northern California, a lightning-sparked fire near Shasta Lake has grown to almost 12,000 acres. The Green Fire started July 1 along the lake’s Pit River arm. Evacuations were ordered Friday, July 11, for about 110 square miles of sparsely populated national forest in Shasta County.

Many communities in Arizona, Michigan, Illinois, New York and across North America are experiencing poor air quality due to numerous wildfires. Here's how to guard yourself against it.

Summer heat will return to the Twin Cities on Monday as air quality concerns linger for parts of Minnesota. The week will start dry and warm, with highs near 90 in the metro. The northern half of the state remains under an air quality alert through 6 p.m. due to Canadian wildfire smoke, the National Weather Service said.