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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
July 09, 2012
<< Previous Day Next Day >>
Ozone
Parts per Million
Sites
Hour7001
0 0.011
1 0.011
2 0.010
3 0.010
4 0.008
5 0.008
6 0.007
7 0.008
8 0.010
9 0.011
10 0.012
11 0.013
12 0.013
13 0.014
14 0.015
15 0.016
16 0.016
17 0.016
18 0.016
19 0.015
20 0.016
21 0.015
22 0.015
23 0.011
Ozone
AQI
Sites
7001
8
8
7
7
6
6
5
6
7
8
9
10
10
10
11
12
12
12
12
11
12
11
11
8
      

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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