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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 01/31, 4Z)
34
31
*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
Fri, 30 Jan  06 AM
22
18
Fri, 30 Jan  07 AM
23
19
Fri, 30 Jan  08 AM
24
20
Fri, 30 Jan  09 AM
24
21
Fri, 30 Jan  10 AM
24
22
Fri, 30 Jan  11 AM
25
23
Fri, 30 Jan  12 PM
30
24
Fri, 30 Jan  01 PM
32
25
Fri, 30 Jan  02 PM
34
27
Fri, 30 Jan  03 PM
34
28
Fri, 30 Jan   04 PM
33
30
Fri, 30 Jan   05 PM
30
30
Fri, 30 Jan   06 PM
28
31
Fri, 30 Jan   07 PM
25
31
Fri, 30 Jan   08 PM
22
30
Fri, 30 Jan   09 PM
24
29
Fri, 30 Jan   10 PM
27
28
Fri, 30 Jan   11 PM
29
27
Sat, 31 Jan   12 AM
31
27
Sat, 31 Jan   01 AM
31
27
Sat, 31 Jan   02 AM
32
28
Sat, 31 Jan   03 AM
32
28
Sat, 31 Jan   04 AM
33
30
Sat, 31 Jan   05 AM
36
31
Sat, 31 Jan   06 AM
38
33
Sat, 31 Jan   07 AM
39
34
Sat, 31 Jan   08 AM
39
35
Sat, 31 Jan   09 AM
36
35
Sat, 31 Jan   10 AM
32
36
Sat, 31 Jan   11 AM
35
36
Sat, 31 Jan   12 PM
38
36
Sat, 31 Jan   01 PM
39
37
Sat, 31 Jan   02 PM
39
37
Sat, 31 Jan   03 PM
39
37
Sat, 31 Jan   04 PM
34
36
Sat, 31 Jan   05 PM
28
36
Sat, 31 Jan   06 PM
26
35
Sat, 31 Jan   07 PM
25
34
Sat, 31 Jan   08 PM
24
32
Sat, 31 Jan   09 PM
23
30
Sat, 31 Jan   10 PM
22
28
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, 30 Jan  06 AM
0
0
Fri, 30 Jan  07 AM
0
0
Fri, 30 Jan  08 AM
0
0
Fri, 30 Jan  09 AM
0
0
Fri, 30 Jan  10 AM
0
0
Fri, 30 Jan  11 AM
0
0
Fri, 30 Jan  12 PM
0
0
Fri, 30 Jan  01 PM
0
0
Fri, 30 Jan  02 PM
0
0
Fri, 30 Jan  03 PM
0
0
Fri, 30 Jan  04 PM
0
0
Fri, 30 Jan  05 PM
0
0
Fri, 30 Jan  06 PM
0
0
Fri, 30 Jan  07 PM
0
0
Fri, 30 Jan  08 PM
0
0
Fri, 30 Jan  09 PM
0
0
Fri, 30 Jan  10 PM
0
0
Fri, 30 Jan  11 PM
0
0
Sat, 31 Jan  12 AM
0
0
Sat, 31 Jan  01 AM
0
0
Sat, 31 Jan  02 AM
0
0
Sat, 31 Jan  03 AM
0
0
Sat, 31 Jan  04 AM
0
0
Sat, 31 Jan  05 AM
0
0
Sat, 31 Jan  06 AM
0
0
Sat, 31 Jan  07 AM
0
0
Sat, 31 Jan  08 AM
0
0
Sat, 31 Jan  09 AM
0
0
Sat, 31 Jan  10 AM
0
0
Sat, 31 Jan  11 AM
0
0
Sat, 31 Jan  12 PM
0
0
Sat, 31 Jan  01 PM
0
0
Sat, 31 Jan  02 PM
0
0
Sat, 31 Jan  03 PM
0
0
Sat, 31 Jan  04 PM
0
0
Sat, 31 Jan  05 PM
0
0
Sat, 31 Jan  06 PM
0
0
Sat, 31 Jan  07 PM
0
0
Sat, 31 Jan  08 PM
0
0
Sat, 31 Jan  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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