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 07/29, 4Z)
52
48
*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
Thu, 28 Jul  03 PM
50
45
Thu, 28 Jul  04 PM
46
47
Thu, 28 Jul   05 PM
42
48
Thu, 28 Jul   06 PM
39
47
Thu, 28 Jul   07 PM
37
46
Thu, 28 Jul   08 PM
34
44
Thu, 28 Jul   09 PM
30
41
Thu, 28 Jul   10 PM
27
38
Thu, 28 Jul   11 PM
26
35
Fri, 29 Jul   12 AM
25
32
Fri, 29 Jul   01 AM
24
30
Fri, 29 Jul   02 AM
22
28
Fri, 29 Jul   03 AM
21
26
Fri, 29 Jul   04 AM
20
24
Fri, 29 Jul   05 AM
20
23
Fri, 29 Jul   06 AM
20
22
Fri, 29 Jul   07 AM
21
22
Fri, 29 Jul   08 AM
27
22
Fri, 29 Jul   09 AM
37
24
Fri, 29 Jul   10 AM
44
26
Fri, 29 Jul   11 AM
47
30
Fri, 29 Jul   12 PM
48
33
Fri, 29 Jul   01 PM
48
36
Fri, 29 Jul   02 PM
46
40
Fri, 29 Jul   03 PM
43
42
Fri, 29 Jul   04 PM
39
44
Fri, 29 Jul   05 PM
36
44
Fri, 29 Jul   06 PM
35
43
Fri, 29 Jul   07 PM
34
41
Fri, 29 Jul   08 PM
31
39
Fri, 29 Jul   09 PM
28
37
Fri, 29 Jul   10 PM
25
34
Fri, 29 Jul   11 PM
24
32
Sat, 30 Jul   12 AM
24
30
Sat, 30 Jul   01 AM
24
28
Sat, 30 Jul   02 AM
24
27
Sat, 30 Jul   03 AM
23
25
Sat, 30 Jul   04 AM
22
24
Sat, 30 Jul   05 AM
22
23
Smoke
Ending Time
(Local Time)
1 Hour Surface Smoke (µg/m³)
06Z Model Run
1 Hour Column-Integrated
Smoke (µg/m³)

06Z Model Run
Thu, 28 Jul  03 PM
0
0
Thu, 28 Jul  04 PM
0
0
Thu, 28 Jul  05 PM
0
0
Thu, 28 Jul  06 PM
0
0
Thu, 28 Jul  07 PM
0
0
Thu, 28 Jul  08 PM
0
0
Thu, 28 Jul  09 PM
0
0
Thu, 28 Jul  10 PM
0
0
Thu, 28 Jul  11 PM
0
0
Fri, 29 Jul  12 AM
0
0
Fri, 29 Jul  01 AM
0
0
Fri, 29 Jul  02 AM
0
0
Fri, 29 Jul  03 AM
0
0
Fri, 29 Jul  04 AM
0
0
Fri, 29 Jul  05 AM
0
0
Fri, 29 Jul  06 AM
0
0
Fri, 29 Jul  07 AM
0
0
Fri, 29 Jul  08 AM
0
0
Fri, 29 Jul  09 AM
0
0
Fri, 29 Jul  10 AM
0
0
Fri, 29 Jul  11 AM
0
0
Fri, 29 Jul  12 PM
0
0
Fri, 29 Jul  01 PM
0
0
Fri, 29 Jul  02 PM
0
0
Fri, 29 Jul  03 PM
0
0
Fri, 29 Jul  04 PM
0
0
Fri, 29 Jul  05 PM
0
0
Fri, 29 Jul  06 PM
0
0
Fri, 29 Jul  07 PM
0
0
Fri, 29 Jul  08 PM
0
0
Fri, 29 Jul  09 PM
0
0
Fri, 29 Jul  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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