Air Quality Forecast Guidance for Butte, MT

Displayed below are NOAA-EPA Air Quality Forecast Guidance values for
latitude: 46.01 N, longitude: 112.54 W.
Ozone concentrations are presented in parts per billion (PPB).
Public comments and suggestions are encouraged.
A FAQ page is available.
More information...
24Hr Maximum
Ending
Maximum 1 Hour Average Ozone
Concentration (PPB)*
Maximum 8 Hour Average Ozone
Concentration (PPB)*
Tomorrow
(Ending 06/07, 4Z)
59
57
*Due to grid interpolation methods, the maximum 1- and 8-hour ozone concentration values may have
values slightly higher or lower than those of the corresponding hourly ozone concentrations.

Ozone
Ending Time
1 Hour Average Ozone
Concentration (PPB)
12Z Model Run
8 Hour Average Ozone
Concentration (PPB)
12Z Model Run
Tue, 06 Jun  01 PM
57
43
Tue, 06 Jun  02 PM
57
47
Tue, 06 Jun  03 PM
57
50
Tue, 06 Jun  04 PM
58
53
Tue, 06 Jun  05 PM
58
55
Tue, 06 Jun   06 PM
58
57
Tue, 06 Jun   07 PM
57
57
Tue, 06 Jun   08 PM
55
57
Tue, 06 Jun   09 PM
49
56
Tue, 06 Jun   10 PM
42
54
Tue, 06 Jun   11 PM
38
52
Wed, 07 Jun   12 AM
35
49
Wed, 07 Jun   01 AM
33
46
Wed, 07 Jun   02 AM
32
43
Wed, 07 Jun   03 AM
32
39
Wed, 07 Jun   04 AM
33
37
Wed, 07 Jun   05 AM
32
35
Wed, 07 Jun   06 AM
31
33
Wed, 07 Jun   07 AM
30
32
Wed, 07 Jun   08 AM
40
33
Wed, 07 Jun   09 AM
48
35
Wed, 07 Jun   10 AM
52
37
Wed, 07 Jun   11 AM
55
40
Wed, 07 Jun   12 PM
56
43
Wed, 07 Jun   01 PM
58
46
Wed, 07 Jun   02 PM
59
50
Wed, 07 Jun   03 PM
59
54
Wed, 07 Jun   04 PM
60
56
Wed, 07 Jun   05 PM
60
57
Wed, 07 Jun   06 PM
58
58
Wed, 07 Jun   07 PM
56
58
Wed, 07 Jun   08 PM
54
58
Wed, 07 Jun   09 PM
54
58
Wed, 07 Jun   10 PM
51
57
Wed, 07 Jun   11 PM
46
55
Thu, 08 Jun   12 AM
42
53
Thu, 08 Jun   01 AM
40
50
Thu, 08 Jun   02 AM
37
48
Thu, 08 Jun   03 AM
33
45
Smoke
Ending Time
(Local Time)
1 Hour Surface Smoke (µg/m³)
06Z Model Run
1 Hour Column-Integrated
Smoke (µg/m³)
06Z Model Run
Tue, 06 Jun  01 PM
0
0
Tue, 06 Jun  02 PM
0
0
Tue, 06 Jun  03 PM
0
0
Tue, 06 Jun  04 PM
0
0
Tue, 06 Jun  05 PM
0
0
Tue, 06 Jun  06 PM
0
0
Tue, 06 Jun  07 PM
0
0
Tue, 06 Jun  08 PM
0
0
Tue, 06 Jun  09 PM
0
0
Tue, 06 Jun  10 PM
0
0
Tue, 06 Jun  11 PM
0
0
Wed, 07 Jun  12 AM
0
0
Wed, 07 Jun  01 AM
0
0
Wed, 07 Jun  02 AM
0
0
Wed, 07 Jun  03 AM
0
0
Wed, 07 Jun  04 AM
0
0
Wed, 07 Jun  05 AM
0
0
Wed, 07 Jun  06 AM
0
0
Wed, 07 Jun  07 AM
0
0
Wed, 07 Jun  08 AM
0
0
Wed, 07 Jun  09 AM
0
0
Wed, 07 Jun  10 AM
0
0
Wed, 07 Jun  11 AM
0
0
Wed, 07 Jun  12 PM
0
0
Wed, 07 Jun  01 PM
0
0
Wed, 07 Jun  02 PM
0
0
Wed, 07 Jun  03 PM
0
0
Wed, 07 Jun  04 PM
0
0
Wed, 07 Jun  05 PM
0
0
Wed, 07 Jun  06 PM
0
0
Wed, 07 Jun  07 PM
0
0
National Weather Service Air Quality Program Page
Environmental Protection Agency AirNow Forecast Page
Graphical Air Quality Forecast Guidance
FAQ

    US Dept of Commerce
    National Oceanic and Atmospheric Administration
    National Weather Service
    1325 East West Highway
    Silver Spring, MD 20910
    Page Author: NWS Internet Services Team 		Disclaimer
Information Quality
Credits
Glossary
 Privacy Policy
Freedom of Information Act (FOIA)
About Us
Career Opportunities