AQ Index for Michigan

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Air Quality Index for Michigan

The highest AQ index in Michigan (as of 2025-04-07 12:13:38 GMT) is currently the area. () is measuring at (). This means

Over the next few days, the highest Particle Pollution (PM2.5) will be in the Ann Arbor area. It is forecasted to be Good, meaning air quality is satisfactory, and air pollution poses little or no risk.

High pressure will remain centered over the Great Lakes, during Friday, and will maintain dry conditions and seasonal temperatures through late afternoon. The center of the high will drift across the northern Great Lakes, today, maintaining an easterly component and light winds. Another low-pressure system will pass through the already battered mid-south states during Saturday and Sunday. While most of our forecast area should receive some additional rainfall, the best chance of significant rain will be south of our border. The border counties up to I-94, however, could see up to 1.25 inches of additional rain. The timing of that event could begin late Friday afternoon or early evening with the heaviest showers tonight into early Saturday morning. Colder air will begin to move in Saturday night into Sunday due to a strong upper-level low approaching through southern Canada. As that low moves eastward during Monday and high pressure builds in behind it, cold northerly air will stream in keeping daytime high temperatures around 40 degrees during Monday and Tuesday. As the center of the high-pressure ridge passes during mid-week, the forecast region returns to southern air flow and warming temperatures. All in all, next week looks considerable quieter than what have been experiencing the past couple of weeks. From an Air Quality perspective, I do not see any issues for the weekend or early next week. PM-2.5 will be a mix of mostly Good to scattered Low Moderate with Ozone concentrations expected to be Good. EXTENDED FORECAST: Air Quality is expected to be mostly Good to scattered Low Moderate going into the upcoming work week. Forecast updated by Jim Haywood: Friday, April 4, 2025 Next forecast update: Monday, April 7, 2025

Range0 - 5051 - 100101 - 150151 - 200201 - 300301 - 500
Color
CategoryGoodModerateUnhealthy for Sensitive GroupsUnhealthyVery UnhealthyHazardous
Created with Raphaël 2.1.0

Last Updated 13 minutes ago

AQ Index Forecast by County in Michigan

Below is a list of counties in Michigan. Click on any county below and you'll get a list of cities where we provide AQ index forecasts.

Wayne Kent Genesee Ingham Washtenaw
Kalamazoo Muskegon Macomb Oakland Saginaw
Ottawa Jackson St. Clair Calhoun Bay
Midland Isabella Eaton Marquette Lenawee
Monroe Grand Traverse Shiawassee Chippewa Branch
Delta Ionia Berrien St. Joseph Wexford
Mecosta Alpena Livingston Gratiot Lapeer
Montcalm Mason Menominee Hillsdale Clinton
Houghton Dickinson Barry Manistee Emmet
Cass Roscommon Allegan Gogebic Cheboygan
Van Buren Newaygo Tuscola Charlevoix Otsego
Ogemaw Clare Schoolcraft Huron Gladwin
Iron Sanilac Iosco Presque Isle Oceana
Kalkaska Mackinac Baraga Osceola Alger
Crawford Leelanau Antrim Oscoda Ontonagon
Arenac Luce Lake Benzie Alcona
Montmorency Missaukee Keweenaw