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Air Quality Index

AQI Locations:

Rochester
Brainerd
Duluth
Ely
St Cloud
Twin Cities
Marshall
Detroit Lakes


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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
Minnesota Pollution Control Agency
Detroit Lakes Hourly AQI

May 15 2012
<< Previous Day Next Day >>
Hour
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
Carbon Monoxide
Ozone
34
31
28
29
26
22
21
23
27
31
32
30
31
32
33
35
35
35
34
33
32
29
25
13
Ozone 8hr
41
38
35
33
32
29
29
29
28
28
28
28
29
31
33
34
35
35
36
36
36
36
35
32
PM 2.5
19
19
22
25
29
29
29
29
29
29
29
29
29
25
25
25
25
25
25
25
25
22
22
19
Sulfur Dioxide
AQI Max
41
38
35
33
32
29
29
29
29
31
32
30
31
32
33
35
35
35
36
36
36
36
35
32
* Data is not quality assured at this time.
** Ozone levels, which are only elevated in warm weather, are measured from April 1st through September 30th in Minnesota and are not collected outside of that period.
The AQI is updated hourly between 6:00 a.m. and Midnight
      

 

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