Montrose, MI Weather Warnings

Air Quality Alert issued July 17 at 9:07AM EDT by NWS Detroit/Pontiac MI The Michigan Department of Environment, Great Lakes, and Energy (EGLE) has issued an Air Quality Alert for July 17 and July 18, 2026, for elevated levels of fine particulate due to wildfire smoke. Concentrations on Friday will range from Very Unhealthy in southern areas to Hazardous in the north. On Saturday concentrations will range from Unhealthy of Sensitive Groups (USG) in the south to Very Unhealthy in northern portions of the state. This is a Statewide Air Quality Alert. Plumes of smoke from Canadian wildfires continue to drift across the region. Elevated fine particulate due to the smoke will continue through Saturday. The threat of increased ozone may come into play Saturday as well. Everyone should seek cleaner air indoors and keep activity levels low. While indoors, take action to improve the indoor air quality such as: - closing windows and minimize opening of doors - if HVAC systems are not equipped with MERV-13 filters or higher, use portable air cleaners - avoid activities that make indoor air quality worse: burning candles, using vacuums without a HEPA filter, using gas stoves more than necessary, smoking, spraying aerosol products If you must be outdoors for short periods of time: - Wear an N95 or P100 respirator marked with NIOSH. The respirator should fit tightly, collapse as you breathe in and not let air in from the sides. - Do not use masks for children under age 2. For up-to-date air quality data for Michigan visit the MiAir site: Michigan.gov/MiAir For up-to-date air quality data nationally visit EPAs Air Now site: AirNow.gov For further health information, please see MDHHS Wildfire Smoke and Your Health site: https://www.michigan.gov/mdhhs/safety-injury- prev/environmental-health/your-health-and-wildfire-smoke

National Weather Service

Air Quality Alert issued July 18 at 10:24AM EDT by NWS Detroit/Pontiac MI The Air Quality Alert for today - Saturday July 18th - has been cancelled for the following counties: Shiawassee, Genesee, Lapeer, St. Clair, Livingston, Oakland, Macomb, Washtenaw, Wayne, Lenawee, and Monroe. The Michigan Department of Environment, Great Lakes, and Energy (EGLE) has issued an Air Quality Alert for July 19, 2026, for elevated levels of fine particulate due to wildfire smoke. On Sunday concentrations will range from USG across the lower peninsula to Unhealthy in the upper peninsula. Sunday, July 19, 2026, will be a Statewide Air Quality Alert Smoke has improved across the southern portion of Michigan early Saturday; however, another plume is forecast to track through the state Saturday, lasting into Sunday. The upper peninsula will be most affected by the smoke on Saturday with fine particulate levels deteriorating from north to south through Saturday. Concentrations will be high enough across northern areas to warrant an Air Quality Alert for Saturday, and by Sunday levels will be high enough to warrant another statewide Alert. With smoke lingering across the state, ozone also has the potential to increase quickly. It is recommended that, when possible, you avoid strenuous outdoor activities, especially those with heart disease and respiratory conditions like asthma. Watch for symptoms including wheezing, coughing, chest tightness, dizziness, or burning in nose, throat, and eyes. You can help reduce air pollution by limiting activities, such as: - outdoor burning; - use of residential wood burning devices. Tips for households: - Keep windows closed overnight to prevent smoke from getting indoors and, if possible, run central air conditioning with MERV-13 or higher rated filters. For up-to-date air quality data for Michigan visit the MiAir site: Michigan.gov/MiAir For up-to-date air quality data nationally visit EPAs Air Now site: AirNow.gov For further health information, please see MDHHS Wildfire Smoke and Your Health site: https://www.michigan.gov/mdhhs/safety-injury-prev/environmental- health/your-health-and-wildfire-smoke The alert is in effect for the following Michigan counties... Shiawassee...Genesee...Lapeer...St. Clair...Livingston...Oakland... Macomb...Washtenaw...Wayne...Lenawee and Monroe.

National Weather Service