How Clean Air Action Days are Forecasted
The Michigan Department of Environmental Quality (MDEQ) coordinates with the states of Illinois, Indiana, and Wisconsin to prepare Clean Air Action Day forecasts. Throughout the year, meteorologists from each state work together through a conference call to develop a regional air quality forecast. In order to have a Clean Air Action Day called in Michigan, the forecast must predict ozone levels above 75 ppb over an eight-hour period or fine particle levels above 35 ug/m3 over a 24-hour period.
The West Michigan Clean Air Coalition is a partnership of businesses, academic institutions, government agencies, industry, and non-profit organizations in Kent, Ottawa, Muskegon, and Kalamazoo counties working together to achieve cleaner air in the region through the education and promotion of voluntary emission reduction activities.
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