Wildfires burning in Canada continue to bring smoke south into the U.S with air quality alerts in effect across the Midwest and upper Great Lakes.

<div class="block">Wildfires burning in Canada continue to bring smoke south into the U.S with air quality alerts in effect across the Midwest and upper Great Lakes.</div>

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Air Quality Alerts in Several States Due to Canada Fires

And wildfires burning in Canada are again sending smoke south into the US. With air quality alerts in effect across the Midwest and the Upper Great Lakes. Global pollution tracker IQ air report, Chicago, Minneapolis and Detroit are all ranked among the world's top 20 most polluted cities as of this morning. While health officials urge Americans under air quality alerts to stay indoors or wear a high quality mask. When outside Canadian fire officials say there are more than 1000 active fires currently burning in the country including more than 650 that are considered out of control.