FORECAST DISCUSSION Air Quality Index (AQI) for Thursday and Friday, July 16-17, 2026 The Michigan Department of Environment, Great Lakes, and Energy (EGLE) is issuing a statewide Air Quality Alert for elevated levels of fine particulate (PM2.5) for Thursday and Friday, July 16-17, 2026. PM2.5: During Thursday, pollutants are expected to Hazardous (AQI Maroon) throughout the state. Friday pollutants are expected to be Hazardous (AQI Maroon) in the Upper Peninsula to Very Unhealthy (AQI … [Read more...]