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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 Particulate Matter (PM 2.5)
May 01, 2012
<< Previous Day Next Day >>
Particulate Matter (PM 2.5)
Micrograms per cubic meter
Sites
Hour7001
0 5.000
1 5.000
2 6.000
3 6.000
4 6.000
5 7.000
6 7.000
7 7.000
8 15.000
9 16.000
10 16.000
11 16.000
12 16.000
13 16.000
14 16.000
15 16.000
16 15.000
17 15.000
18 15.000
19 15.000
20 15.000
21 15.000
22 15.000
23 15.000
Particulate Matter (PM 2.5)
AQI
Sites
7001
16
16
19
19
19
22
22
22
48
52
52
52
52
52
52
52
48
48
48
48
48
48
48
48
      

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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