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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
May 01, 2012
<< Previous Day Next Day >>
Ozone
Parts per Million
Sites
Hour7001
0 0.038
1 0.036
2 0.035
3 0.034
4 0.032
5 0.031
6 0.031
7 0.030
8 0.033
9 0.038
10 0.042
11 0.049
12 0.053
13 0.056
14 0.049
15 0.041
16 0.040
17 0.040
18 0.039
19 0.038
20 0.037
21 0.034
22 0.032
23 0.034
Ozone
AQI
Sites
7001
29
28
27
26
25
24
24
23
25
29
32
38
41
43
38
32
31
31
30
29
28
26
25
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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