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U.S. Air Quality Summary (text)
 
AIRNow Home >> Minnesota >> Rochester
 
Data courtesy of: Leech Lake Band of Ojibwe, Minnesota Pollution Control Agency (in cooperation with Fond du Lac Band of Lake Superior Chippewa, Grand Portage Band of Lake Superior Chippewa and Mille Lacs Band of Ojibwe)
 

  • Forecast
  • Current AQI
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AQI Forecast - http://www.epa.gov/airnow/today/forecast_aqi_20130522_mn_wi.jpg
 
Legend: National Parks/Monuments National Parks/Monuments     Legend: Tribal Boundaries Tribal Boundaries
The tribal boundaries shown here are provided by the Bureau of Indian Affairs and are intended to be used as a general spatial reference only. They are not a formal determination of tribal boundaries by the EPA.
- http://www.epa.gov/airnow/today/cur_aqi_mn_wi.jpg
 
Legend: National Parks/Monuments National Parks/Monuments     Legend: Tribal Boundaries Tribal Boundaries
The tribal boundaries shown here are provided by the Bureau of Indian Affairs and are intended to be used as a general spatial reference only. They are not a formal determination of tribal boundaries by the EPA.
AQI Animation - http://www.epa.gov/airnow/today/anim_aqi_mn_wi.gif
 
Legend: National Parks/Monuments National Parks/Monuments     Legend: Tribal Boundaries Tribal Boundaries
The tribal boundaries shown here are provided by the Bureau of Indian Affairs and are intended to be used as a general spatial reference only. They are not a formal determination of tribal boundaries by the EPA.
 
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) Action DayAction Day
 
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Today's High Tomorrow's High
Air Quality Index (AQI)
50 
Good
Health Message: None
Air Quality Index (AQI)
42 
Good
Health Message: None
AQI - Pollutant Details
Particles (PM2.5)
50 
Good
Ozone
39 
Good
Particles (PM2.5)
42 
Good
Ozone
41 
Good
Forecast Discussion: Today and tomorrow, as a low-pressure system moves through southern Minnesota and departs to the east, moderate northerly winds will bring a cool, clean air mass into the Rochester region. These conditions will limit both ozone and particle production, resulting in Good AQI levels on both days. Friday, sunny skies and slightly warmer temperatures will enhance ozone formation in Rochester. In addition, light to moderate southeasterly winds will bring pollutants into the region. However, low pollutant carryover from previous days will keep AQI levels Good. Saturday through Memorial Day, a warm front will stall over southern Minnesota, producing moderate east-southeasterly winds and scattered thunderstorms. These conditions will disperse pollutants and keep the atmosphere well-mixed over the Rochester area, leading to Good AQI levels on all three days.

Current Conditions
Air Quality Index (AQI)
observed at 12:00 CDT
14
Good
Health Message: None
AQI - Pollutant Details
Ozone 14 Good
Particles (PM2.5) 9 Good

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