Air Quality Forecast Guidance for Ukiah, CA

Displayed below are NOAA-EPA Air Quality Forecast Guidance values for
latitude: 39.15 N, longitude: 123.21 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 12/21, 4Z)
40
39
*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
Sat, 20 Dec  06 AM
40
39
Sat, 20 Dec  07 AM
39
39
Sat, 20 Dec  08 AM
39
39
Sat, 20 Dec  09 AM
38
39
Sat, 20 Dec  10 AM
37
39
Sat, 20 Dec  11 AM
38
39
Sat, 20 Dec  12 PM
39
39
Sat, 20 Dec  01 PM
38
38
Sat, 20 Dec  02 PM
37
38
Sat, 20 Dec  03 PM
36
38
Sat, 20 Dec   04 PM
36
37
Sat, 20 Dec   05 PM
36
37
Sat, 20 Dec   06 PM
37
37
Sat, 20 Dec   07 PM
36
37
Sat, 20 Dec   08 PM
36
36
Sat, 20 Dec   09 PM
35
36
Sat, 20 Dec   10 PM
35
36
Sat, 20 Dec   11 PM
34
36
Sun, 21 Dec   12 AM
34
35
Sun, 21 Dec   01 AM
34
35
Sun, 21 Dec   02 AM
34
35
Sun, 21 Dec   03 AM
34
35
Sun, 21 Dec   04 AM
34
34
Sun, 21 Dec   05 AM
35
34
Sun, 21 Dec   06 AM
36
34
Sun, 21 Dec   07 AM
36
34
Sun, 21 Dec   08 AM
35
35
Sun, 21 Dec   09 AM
34
35
Sun, 21 Dec   10 AM
35
35
Sun, 21 Dec   11 AM
37
35
Sun, 21 Dec   12 PM
37
36
Sun, 21 Dec   01 PM
37
36
Sun, 21 Dec   02 PM
38
36
Sun, 21 Dec   03 PM
38
36
Sun, 21 Dec   04 PM
39
37
Sun, 21 Dec   05 PM
40
38
Sun, 21 Dec   06 PM
39
38
Sun, 21 Dec   07 PM
39
38
Sun, 21 Dec   08 PM
39
39
Sun, 21 Dec   09 PM
39
39
Sun, 21 Dec   10 PM
39
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
Sat, 20 Dec  03 AM
0
0
Sat, 20 Dec  04 AM
0
0
Sat, 20 Dec  05 AM
0
0
Sat, 20 Dec  06 AM
0
0
Sat, 20 Dec  07 AM
0
0
Sat, 20 Dec  08 AM
0
0
Sat, 20 Dec  09 AM
0
0
Sat, 20 Dec  10 AM
0
0
Sat, 20 Dec  11 AM
0
0
Sat, 20 Dec  12 PM
0
0
Sat, 20 Dec  01 PM
0
0
Sat, 20 Dec  02 PM
0
0
Sat, 20 Dec  03 PM
0
0
Sat, 20 Dec  04 PM
0
0
Sat, 20 Dec  05 PM
0
0
Sat, 20 Dec  06 PM
0
0
Sat, 20 Dec  07 PM
0
0
Sat, 20 Dec  08 PM
0
0
Sat, 20 Dec  09 PM
0
0
Sat, 20 Dec  10 PM
0
0
Sat, 20 Dec  11 PM
0
0
Sun, 21 Dec  12 AM
0
0
Sun, 21 Dec  01 AM
0
0
Sun, 21 Dec  02 AM
0
0
Sun, 21 Dec  03 AM
0
0
Sun, 21 Dec  04 AM
0
0
Sun, 21 Dec  05 AM
0
0
Sun, 21 Dec  06 AM
0
0
Sun, 21 Dec  07 AM
0
0
Sun, 21 Dec  08 AM
0
0
Sun, 21 Dec  09 AM
0
0
Sun, 21 Dec  10 AM
0
0
Sun, 21 Dec  11 AM
0
0
Sun, 21 Dec  12 PM
0
0
Sun, 21 Dec  01 PM
0
0
Sun, 21 Dec  02 PM
0
0
Sun, 21 Dec  03 PM
0
0
Sun, 21 Dec  04 PM
0
0
Sun, 21 Dec  05 PM
0
0
Sun, 21 Dec  06 PM
0
0
Sun, 21 Dec  07 PM
0
0
Sun, 21 Dec  08 PM
0
0
Sun, 21 Dec  09 PM
0
0

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Graphical Air Quality Forecast Guidance
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