Minnesota Pollution Control Agency Logo  Minnesota Pollution Control Agency
  
  Home   |  Site Index   |  Glossary  |  What's New  |  Ask MPCA   |   Visitor Center  

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 05, 2012
<< Previous Day Next Day >>
Ozone
Parts per Million
Sites
Hour7001
0 0.029
1 0.030
2 Invalid
3 0.028
4 0.028
5 0.028
6 0.029
7 0.030
8 0.028
9 0.028
10 0.030
11 0.030
12 0.033
13 0.035
14 0.035
15 0.038
16 0.037
17 0.038
18 0.035
19 0.032
20 0.033
21 0.031
22 0.033
23 0.033
Ozone
AQI
Sites
7001
22
23
Invalid
21
21
21
22
23
21
21
23
23
25
27
27
29
28
29
27
25
25
24
25
25
      

This page was last updated September 8, 2003

If you have suggestions on how we can improve this site, or if you have questions or problems, please contact us.
If you have technical questions or problems with this site, contact webmaster@pca.state.mn.us
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

 

web2