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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 08/30, 4Z)
41
40
*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, 29 Aug  03 PM
41
37
Fri, 29 Aug  04 PM
40
38
Fri, 29 Aug   05 PM
39
39
Fri, 29 Aug   06 PM
39
40
Fri, 29 Aug   07 PM
37
39
Fri, 29 Aug   08 PM
35
39
Fri, 29 Aug   09 PM
32
38
Fri, 29 Aug   10 PM
30
37
Fri, 29 Aug   11 PM
28
35
Sat, 30 Aug   12 AM
27
34
Sat, 30 Aug   01 AM
25
32
Sat, 30 Aug   02 AM
24
30
Sat, 30 Aug   03 AM
24
28
Sat, 30 Aug   04 AM
26
27
Sat, 30 Aug   05 AM
26
26
Sat, 30 Aug   06 AM
26
26
Sat, 30 Aug   07 AM
26
26
Sat, 30 Aug   08 AM
27
26
Sat, 30 Aug   09 AM
29
26
Sat, 30 Aug   10 AM
32
27
Sat, 30 Aug   11 AM
34
28
Sat, 30 Aug   12 PM
36
30
Sat, 30 Aug   01 PM
36
31
Sat, 30 Aug   02 PM
37
32
Sat, 30 Aug   03 PM
38
34
Sat, 30 Aug   04 PM
38
35
Sat, 30 Aug   05 PM
38
36
Sat, 30 Aug   06 PM
37
37
Sat, 30 Aug   07 PM
35
37
Sat, 30 Aug   08 PM
34
36
Sat, 30 Aug   09 PM
32
36
Sat, 30 Aug   10 PM
32
35
Sat, 30 Aug   11 PM
31
34
Sun, 31 Aug   12 AM
30
34
Sun, 31 Aug   01 AM
29
32
Sun, 31 Aug   02 AM
29
32
Sun, 31 Aug   03 AM
28
31
Sun, 31 Aug   04 AM
28
30
Sun, 31 Aug   05 AM
27
29
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, 29 Aug  03 PM
0
0
Fri, 29 Aug  04 PM
0
0
Fri, 29 Aug  05 PM
0
0
Fri, 29 Aug  06 PM
0
0
Fri, 29 Aug  07 PM
0
0
Fri, 29 Aug  08 PM
0
0
Fri, 29 Aug  09 PM
0
0
Fri, 29 Aug  10 PM
0
0
Fri, 29 Aug  11 PM
0
0
Sat, 30 Aug  12 AM
0
0
Sat, 30 Aug  01 AM
0
0
Sat, 30 Aug  02 AM
0
0
Sat, 30 Aug  03 AM
0
0
Sat, 30 Aug  04 AM
0
0
Sat, 30 Aug  05 AM
0
0
Sat, 30 Aug  06 AM
0
0
Sat, 30 Aug  07 AM
0
0
Sat, 30 Aug  08 AM
0
0
Sat, 30 Aug  09 AM
0
0
Sat, 30 Aug  10 AM
0
0
Sat, 30 Aug  11 AM
0
0
Sat, 30 Aug  12 PM
0
0
Sat, 30 Aug  01 PM
0
0
Sat, 30 Aug  02 PM
0
0
Sat, 30 Aug  03 PM
0
0
Sat, 30 Aug  04 PM
0
0
Sat, 30 Aug  05 PM
0
0
Sat, 30 Aug  06 PM
0
0
Sat, 30 Aug  07 PM
0
0
Sat, 30 Aug  08 PM
0
0
Sat, 30 Aug  09 PM
0
0
Sat, 30 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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