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Air Quality Index

AQI Locations:

Rochester
Brainerd
Duluth
Ely
St Cloud
Twin Cities
Marshall
Detroit Lakes

Sign up for air quality alerts and forecasts

Call the AQI Hotline for daily air quality forecasts for the Twin Cities and Rochester at 651-297-1630 (metro) or 1-800-657-3694.

PDF DocumentAQI Site Help

About the AQI

Pollutant description

Health effects

Cautionary Statements

Breakpoints

Map of Air Quality Stations

Color Legend:
Good 0-50
Moderate 51-100
Unhealthy for Sensitive Groups 101-150
Unhealthy 151-200
Very Unhealthy 201-300

MPCA Home  > Air Quality Index  > Rochester Hourly AQI  > Rochester Raw Data

Minnesota Pollution Control Agency
Rochester Hourly Particulate Matter (PM 2.5)
April 29, 2012
<< Previous Day Next Day >>
Particulate Matter (PM 2.5)
Micrograms per cubic meter
Sites
Hour5008
0 6.000
1 6.000
2 7.000
3 7.000
4 7.000
5 8.000
6 8.000
7 9.000
8 9.000
9 10.000
10 10.000
11 10.000
12 11.000
13 11.000
14 11.000
15 10.000
16 10.000
17 10.000
18 10.000
19 10.000
20 10.000
21 10.000
22 10.000
23 10.000
Particulate Matter (PM 2.5)
AQI
Sites
5008
19
19
22
22
22
25
25
29
29
32
32
32
35
35
35
32
32
32
32
32
32
32
32
32
      

This page was last updated September 8, 2003

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Minnesota Pollution Control Agency, 520 Lafayette Road, St. Paul, MN 55155-4194
Phone: 651-296-6300, 800-657-3864; 24-hour emergency number: 651-649-5451 or 800-422-0798; TTY: 651-282-5332, TTY 24-hour emergency number: 651-297-5353 or 800-627-3529

 

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