Air Quality Forecast Guidance for Alturas, CA

Displayed below are NOAA-EPA Air Quality Forecast Guidance values for
latitude: 41.49 N, longitude: 120.54 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 08/01, 4Z)
57
56
*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
Fri, 31 Jul  01 PM
56
40
Fri, 31 Jul  02 PM
57
44
Fri, 31 Jul  03 PM
57
48
Fri, 31 Jul  04 PM
57
51
Fri, 31 Jul   05 PM
57
54
Fri, 31 Jul   06 PM
57
56
Fri, 31 Jul   07 PM
56
56
Fri, 31 Jul   08 PM
53
56
Fri, 31 Jul   09 PM
51
56
Fri, 31 Jul   10 PM
48
55
Fri, 31 Jul   11 PM
44
53
Sat, 01 Aug   12 AM
42
51
Sat, 01 Aug   01 AM
42
49
Sat, 01 Aug   02 AM
40
47
Sat, 01 Aug   03 AM
37
45
Sat, 01 Aug   04 AM
36
42
Sat, 01 Aug   05 AM
38
41
Sat, 01 Aug   06 AM
42
40
Sat, 01 Aug   07 AM
47
40
Sat, 01 Aug   08 AM
47
41
Sat, 01 Aug   09 AM
53
42
Sat, 01 Aug   10 AM
56
44
Sat, 01 Aug   11 AM
57
47
Sat, 01 Aug   12 PM
58
50
Sat, 01 Aug   01 PM
57
52
Sat, 01 Aug   02 PM
56
54
Sat, 01 Aug   03 PM
56
55
Sat, 01 Aug   04 PM
55
56
Sat, 01 Aug   05 PM
55
56
Sat, 01 Aug   06 PM
54
56
Sat, 01 Aug   07 PM
53
56
Sat, 01 Aug   08 PM
50
55
Sat, 01 Aug   09 PM
50
54
Sat, 01 Aug   10 PM
51
53
Sat, 01 Aug   11 PM
48
52
Sun, 02 Aug   12 AM
45
51
Sun, 02 Aug   01 AM
43
49
Sun, 02 Aug   02 AM
42
48
Sun, 02 Aug   03 AM
42
46
Sun, 02 Aug   04 AM
41
45
Sun, 02 Aug   05 AM
40
44
Smoke
Ending Time
(Local Time)
1 Hour Surface Smoke (µg/m³)
06Z Model Run
1 Hour Column-Integrated
Smoke (µg/m³)

06Z Model Run
Fri, 31 Jul  10 AM
0
0
Fri, 31 Jul  11 AM
0
0
Fri, 31 Jul  12 PM
0
0
Fri, 31 Jul  01 PM
1
0
Fri, 31 Jul  02 PM
0
0
Fri, 31 Jul  03 PM
0
0
Fri, 31 Jul  04 PM
0
0
Fri, 31 Jul  05 PM
0
0
Fri, 31 Jul  06 PM
0
0
Fri, 31 Jul  07 PM
0
0
Fri, 31 Jul  08 PM
0
0
Fri, 31 Jul  09 PM
0
0
Fri, 31 Jul  10 PM
0
0
Fri, 31 Jul  11 PM
0
0
Sat, 01 Aug  12 AM
0
0
Sat, 01 Aug  01 AM
0
0
Sat, 01 Aug  02 AM
0
0
Sat, 01 Aug  03 AM
0
0
Sat, 01 Aug  04 AM
0
0
Sat, 01 Aug  05 AM
0
1
Sat, 01 Aug  06 AM
0
2
Sat, 01 Aug  07 AM
0
3
Sat, 01 Aug  08 AM
0
3
Sat, 01 Aug  09 AM
0
2
Sat, 01 Aug  10 AM
0
2
Sat, 01 Aug  11 AM
0
1
Sat, 01 Aug  12 PM
1
1
Sat, 01 Aug  01 PM
1
0
Sat, 01 Aug  02 PM
0
0
Sat, 01 Aug  03 PM
0
0
Sat, 01 Aug  04 PM
1
0
Sat, 01 Aug  05 PM
1
0
Sat, 01 Aug  06 PM
0
0
Sat, 01 Aug  07 PM
0
0
Sat, 01 Aug  08 PM
0
0
Sat, 01 Aug  09 PM
0
0
Sat, 01 Aug  10 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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