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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  > Ely Hourly AQI  > Ely Raw Data

Minnesota Pollution Control Agency
Ely Hourly Ozone 8 Hour Rolling
May 03, 2012
<< Previous Day Next Day >>
Ozone 8 Hour Rolling
Parts per Million
Sites
Hour7001
0 0.053
1 0.052
2 0.051
3 0.049
4 0.048
5 0.046
6 0.045
7 0.043
8 0.042
9 0.041
10 0.041
11 0.042
12 0.043
13 0.044
14 0.044
15 0.046
16 0.045
17 0.044
18 0.042
19 0.040
20 0.037
21 0.035
22 0.033
23 0.031
Ozone 8 Hour Rolling
AQI
Sites
7001
44
44
43
41
40
38
38
36
35
34
34
35
36
37
37
38
38
37
35
33
31
29
27
26
      

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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