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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 11/22, 4Z)
45
44
*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, 21 Nov  04 PM
44
43
Fri, 21 Nov  05 PM
44
43
Fri, 21 Nov  06 PM
44
44
Fri, 21 Nov  07 PM
43
44
Fri, 21 Nov  08 PM
43
44
Fri, 21 Nov  09 PM
43
44
Fri, 21 Nov  10 PM
42
44
Fri, 21 Nov  11 PM
42
43
Sat, 22 Nov  12 AM
42
43
Sat, 22 Nov  01 AM
42
43
Sat, 22 Nov  02 AM
41
42
Sat, 22 Nov  03 AM
41
42
Sat, 22 Nov  04 AM
42
42
Sat, 22 Nov  05 AM
41
42
Sat, 22 Nov  06 AM
40
41
Sat, 22 Nov  07 AM
39
41
Sat, 22 Nov  08 AM
37
40
Sat, 22 Nov  09 AM
36
40
Sat, 22 Nov  10 AM
39
39
Sat, 22 Nov  11 AM
42
39
Sat, 22 Nov  12 PM
42
40
Sat, 22 Nov  01 PM
42
40
Sat, 22 Nov  02 PM
42
40
Sat, 22 Nov  03 PM
43
40
Sat, 22 Nov   04 PM
42
41
Sat, 22 Nov   05 PM
42
42
Sat, 22 Nov   06 PM
42
42
Sat, 22 Nov   07 PM
42
42
Sat, 22 Nov   08 PM
42
42
Sat, 22 Nov   09 PM
41
42
Sat, 22 Nov   10 PM
39
42
Sat, 22 Nov   11 PM
38
41
Sun, 23 Nov   12 AM
37
40
Sun, 23 Nov   01 AM
37
40
Sun, 23 Nov   02 AM
39
39
Sun, 23 Nov   03 AM
40
39
Sun, 23 Nov   04 AM
40
39
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, 21 Nov  04 PM
0
0
Fri, 21 Nov  05 PM
0
0
Fri, 21 Nov  06 PM
0
0
Fri, 21 Nov  07 PM
0
0
Fri, 21 Nov  08 PM
0
0
Fri, 21 Nov  09 PM
0
0
Fri, 21 Nov  10 PM
0
0
Fri, 21 Nov  11 PM
0
0
Sat, 22 Nov  12 AM
0
0
Sat, 22 Nov  01 AM
0
0
Sat, 22 Nov  02 AM
0
0
Sat, 22 Nov  03 AM
0
0
Sat, 22 Nov  04 AM
0
0
Sat, 22 Nov  05 AM
0
0
Sat, 22 Nov  06 AM
0
0
Sat, 22 Nov  07 AM
0
0
Sat, 22 Nov  08 AM
0
0
Sat, 22 Nov  09 AM
0
0
Sat, 22 Nov  10 AM
0
0
Sat, 22 Nov  11 AM
0
0
Sat, 22 Nov  12 PM
0
0
Sat, 22 Nov  01 PM
0
0
Sat, 22 Nov  02 PM
0
0
Sat, 22 Nov  03 PM
0
0
Sat, 22 Nov  04 PM
0
0
Sat, 22 Nov  05 PM
0
0
Sat, 22 Nov  06 PM
0
0
Sat, 22 Nov  07 PM
0
0
Sat, 22 Nov  08 PM
0
0
Sat, 22 Nov  09 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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