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National Air Quality Summary (text)
 
Minneapolis-St. Paul
 
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  • Forecast
  • Current AQI
  • AQI Animation
AQI Forecast - http://www.epa.gov/airnow/today/forecast_aqi_20100902_minneapolis_mn.jpg
 - http://www.epa.gov/airnow/today/cur_aqi_minneapolis_mn.jpg
AQI Animation - http://www.epa.gov/airnow/today/anim_aqi_minneapolis_mn.gif
 
AQI: Good (0 - 50) AQI: Moderate (51 - 100) AQI: Unhealthy for Sensitive Groups (101 - 150) AQI: Unhealthy (151 - 200) AQI: Very Unhealthy (201 - 300) AQI: Hazardous(301 - 500)
 
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Air Quality Index (AQI)
26 
Good
Health Message: None
Air Quality Index (AQI)
Good Good
Health Message: None
AQI - Pollutant Details
Ozone
26 
Good
Particles (PM2.5)
19 
Good
Ozone
Good
Good
Forecast Discussion: Today, moderate easterly winds ahead of an approaching cold front will disperse pollutants in the Twin Cities, leading to Good AQI levels. Tomorrow, a cold front will pass through Minnesota, producing scattered showers and thunderstorms and keeping the atmosphere well-mixed. In addition, moderate westerly winds behind the departing cold front will transport a clean air mass into the region, limiting particle formation and keeping AQI levels Good. Friday and Saturday, as surface high pressure builds into the Dakotas, northwesterly winds will disperse pollutants in Minneapolis-St. Paul, yielding Good AQI levels on both days. Sunday and Monday, light to moderate southeasterly winds ahead of a weak low-pressure system over the western Plains will limit pollutant dispersion and gradually transport moisture and pollutants into the Twin Cities, enhancing particle production. Furthermore, an upper-level ridge of high pressure will limit vertical mixing in the atmosphere, trapping pollutants near the surface. Therefore, AQI levels will be Moderate on both days.

Current Conditions
Air Quality Index (AQI)
observed at 9:00 CDT
36
Good
Health Message: None
AQI - Pollutant Details
Particles (PM2.5) 36 Good
Ozone 25 Good

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St. Paul, MN
 
St. Paul, MN

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