Air Quality Forecast Guidance for Mount Shasta, CA

Displayed below are NOAA-EPA Air Quality Forecast Guidance values for
latitude: 41.28 N, longitude: 122.38 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 08/11, 4Z)
54
52
*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)

6Z Model Run
8 Hour Average Ozone
Concentration (PPB)

6Z Model Run
Wed, 10 Aug  07 AM
39
42
Wed, 10 Aug  08 AM
40
41
Wed, 10 Aug  09 AM
41
41
Wed, 10 Aug  10 AM
44
41
Wed, 10 Aug  11 AM
47
41
Wed, 10 Aug  12 PM
47
42
Wed, 10 Aug  01 PM
48
43
Wed, 10 Aug  02 PM
50
45
Wed, 10 Aug  03 PM
52
46
Wed, 10 Aug  04 PM
54
48
Wed, 10 Aug   05 PM
54
50
Wed, 10 Aug   06 PM
54
51
Wed, 10 Aug   07 PM
53
52
Wed, 10 Aug   08 PM
50
52
Wed, 10 Aug   09 PM
44
51
Wed, 10 Aug   10 PM
45
51
Wed, 10 Aug   11 PM
47
50
Thu, 11 Aug   12 AM
48
49
Thu, 11 Aug   01 AM
47
49
Thu, 11 Aug   02 AM
47
48
Thu, 11 Aug   03 AM
46
47
Thu, 11 Aug   04 AM
46
46
Thu, 11 Aug   05 AM
46
47
Thu, 11 Aug   06 AM
44
46
Thu, 11 Aug   07 AM
44
46
Thu, 11 Aug   08 AM
41
45
Thu, 11 Aug   09 AM
46
45
Thu, 11 Aug   10 AM
50
45
Thu, 11 Aug   11 AM
52
46
Thu, 11 Aug   12 PM
52
47
Thu, 11 Aug   01 PM
53
48
Thu, 11 Aug   02 PM
54
49
Thu, 11 Aug   03 PM
55
50
Thu, 11 Aug   04 PM
56
52
Thu, 11 Aug   05 PM
57
54
Thu, 11 Aug   06 PM
56
54
Thu, 11 Aug   07 PM
53
55
Thu, 11 Aug   08 PM
50
54
Thu, 11 Aug   09 PM
45
53
Thu, 11 Aug   10 PM
48
52
Thu, 11 Aug   11 PM
49
52
Fri, 12 Aug   12 AM
51
51
Fri, 12 Aug   01 AM
51
50
Fri, 12 Aug   02 AM
51
50
Smoke
Ending Time
(Local Time)
1 Hour Surface Smoke (µg/m³)
06Z Model Run
1 Hour Column-Integrated
Smoke (µg/m³)

06Z Model Run
Wed, 10 Aug  07 AM
0
0
Wed, 10 Aug  08 AM
0
0
Wed, 10 Aug  09 AM
0
0
Wed, 10 Aug  10 AM
0
0
Wed, 10 Aug  11 AM
0
0
Wed, 10 Aug  12 PM
0
0
Wed, 10 Aug  01 PM
0
0
Wed, 10 Aug  02 PM
0
0
Wed, 10 Aug  03 PM
0
0
Wed, 10 Aug  04 PM
0
0
Wed, 10 Aug  05 PM
0
0
Wed, 10 Aug  06 PM
0
0
Wed, 10 Aug  07 PM
0
0
Wed, 10 Aug  08 PM
0
0
Wed, 10 Aug  09 PM
0
0
Wed, 10 Aug  10 PM
0
0
Wed, 10 Aug  11 PM
0
0
Thu, 11 Aug  12 AM
0
0
Thu, 11 Aug  01 AM
0
0
Thu, 11 Aug  02 AM
0
0
Thu, 11 Aug  03 AM
0
0
Thu, 11 Aug  04 AM
0
0
Thu, 11 Aug  05 AM
0
0
Thu, 11 Aug  06 AM
0
0
Thu, 11 Aug  07 AM
0
0
Thu, 11 Aug  08 AM
0
0
Thu, 11 Aug  09 AM
0
0
Thu, 11 Aug  10 AM
0
0
Thu, 11 Aug  11 AM
0
0
Thu, 11 Aug  12 PM
0
0
Thu, 11 Aug  01 PM
0
0
Thu, 11 Aug  02 PM
0
0
Thu, 11 Aug  03 PM
0
0
Thu, 11 Aug  04 PM
0
0
Thu, 11 Aug  05 PM
0
0
Thu, 11 Aug  06 PM
0
0

National Weather Service Air Quality Program Page
Environmental Protection Agency AirNow Forecast Page
Graphical Air Quality Forecast Guidance
FAQ


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