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My Location: Key West, FL 
 
Current Time: 08:22:46 AM EDT

Other Alerts  
Weather Alert
    Other Weather Alerts
Type Air Quality Alert

Air Stagnation Advisory
Sun May 11 15:44:00 PDT 2025
Sun May 11 15:45:00 PDT 2025
Sun May 11 15:49:00 PDT 2025
Sun May 11 16:08:00 PDT 2025

Issued By NWS Twin Cities/Chanhassen MN
Issuing Time Sun, 11 May 2025 15:43:00 PDT
Broadcast Time Sun, 11 May 2025 15:43:00 PDT
Valid Until Mon, 12 May 2025 15:45:00 PDT
Brief Description Air Quality Alert
Detailed Description * WHAT. The Minnesota Pollution Control Agency has issued an Air Quality Alert for ozone pollution. The Air Quality Index (AQI) is expected to reach the Orange or Unhealthy for Sensitive Groups category. * WHERE. Central Minnesota. * WHEN. From noon CDT to 9 PM CDT Monday. * IMPACTS. Sensitive groups, such as people with lung disease (including asthma), heart disease, children and older adults, and people who are active outdoors, may experience health effects. * ADDITIONAL DETAILS. Ground-level ozone is expected to be high during the afternoon hours on Monday across western and central Minnesota. Mostly sunny skies, warm temperatures, and low humidity will create an environment favorable for two types of pollutants (Volatile Organic Compounds and Nitrogen Oxides) to react in the air to produce ground-level ozone. Ozone will be highest during the afternoon and early evening hours when sunshine is most abundant, and temperatures are highest. Ozone will be low in the morning, late evening, and overnight. Another alert is possible on Tuesday afternoon as sunny skies and heat persist.
       
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