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  > Twin Cities Hourly AQI  > Twin Cities Raw Data

Minnesota Pollution Control Agency
Twin Cities Hourly Carbon Monoxide (CO)
May 04, 2012
<< Previous Day Next Day >>
Carbon Monoxide (CO)
Parts per Million
Sites
Hour08610954
0 0.000 0.100
1 0.000 0.100
2 0.000 0.000
3 0.000 0.000
4 0.000 0.000
5 0.000 0.000
6 0.000 0.000
7 0.100 0.000
8 0.100 0.000
9 0.200 0.000
10 0.200 0.000
11 0.200 0.000
12 0.300 0.000
13 0.300 0.000
14 0.200 0.000
15 0.200 0.000
16 0.100 0.000
17 0.100 0.100
18 0.000 0.100
19 0.000 0.100
20 0.000 0.100
21 0.000 0.100
22 0.000 0.100
23 0.000 0.100
Carbon Monoxide (CO)
AQI
Sites
08610954
0 1
0 1
0 0
0 0
0 0
0 0
0 0
1 0
1 0
2 0
2 0
2 0
3 0
3 0
2 0
2 0
1 0
1 1
0 1
0 1
0 1
0 1
0 1
0 1
      

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