Air quality advisories and alerts have been warning Michigan residents of unhealthy air all summer due to Canadian wildfire smoke, and as of Aug. 14, a total of 31 have been issued.

Overall, officials have issued 27 air quality advisories and four air quality alerts, according to Michigan's Air Quality Division's Advisory and Alert Program Report , a part of the Department of Environment, Great Lakes, and Energy. The program covers 13 forecasting areas across the state.

"One thing to note in the report is that the Upper Peninsula of Michigan has experienced the most advisory or alert days for PM2.5 with 21 days issued compared to 15 in the Detroit area," said meteorology specialist Stephanie Hengesbach of the Air Quality Division.

The Upper Peninsula saw more advisories because it is

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