Air Quality Alerts, Seasonal Allergies, Asthma and Health Problems I have Weatherbug installed on my browser. Because I work online, I see every bad weather update. Whenever that little red warning icon shows up, I get nervous. Today, it's an Air Quality alert. What in the world is an air quality alert and why should it sound an emergency warning? Like Ozone Action days, air quality alerts signal periods when the air is not as healthy as it could be. The Department of Environmental Quality, MDEQ in Michigan, has a set of parameters that it uses to determine when it issues air quality alerts.
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