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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
March 19, 2012
<< Previous Day Next Day >>
Ozone
Parts per Million
Sites
Hour7001
0 0.031
1 0.033
2 0.032
3 0.028
4 0.025
5 0.024
6 0.023
7 0.021
8 0.022
9 0.024
10 0.025
11 0.027
12 0.030
13 0.032
14 0.033
15 0.034
16 0.034
17 0.033
18 0.032
19 0.031
20 0.031
21 0.030
22 0.033
23 0.032
Ozone
AQI
Sites
7001
24
25
25
21
19
18
17
16
17
18
19
21
23
25
25
26
26
25
25
24
24
23
25
25
      

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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