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 02/11, 4Z)
38
34
*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
Wed, 10 Feb  12 PM
38
33
Wed, 10 Feb  01 PM
38
34
Wed, 10 Feb  02 PM
37
34
Wed, 10 Feb  03 PM
36
34
Wed, 10 Feb   04 PM
34
34
Wed, 10 Feb   05 PM
27
34
Wed, 10 Feb   06 PM
22
33
Wed, 10 Feb   07 PM
20
32
Wed, 10 Feb   08 PM
19
29
Wed, 10 Feb   09 PM
19
27
Wed, 10 Feb   10 PM
19
24
Wed, 10 Feb   11 PM
19
22
Thu, 11 Feb   12 AM
20
21
Thu, 11 Feb   01 AM
21
20
Thu, 11 Feb   02 AM
22
20
Thu, 11 Feb   03 AM
24
20
Thu, 11 Feb   04 AM
25
21
Thu, 11 Feb   05 AM
26
22
Thu, 11 Feb   06 AM
27
23
Thu, 11 Feb   07 AM
27
24
Thu, 11 Feb   08 AM
27
25
Thu, 11 Feb   09 AM
25
25
Thu, 11 Feb   10 AM
28
26
Thu, 11 Feb   11 AM
31
27
Thu, 11 Feb   12 PM
33
28
Thu, 11 Feb   01 PM
35
29
Thu, 11 Feb   02 PM
37
30
Thu, 11 Feb   03 PM
39
32
Thu, 11 Feb   04 PM
39
33
Thu, 11 Feb   05 PM
35
35
Thu, 11 Feb   06 PM
30
35
Thu, 11 Feb   07 PM
29
35
Thu, 11 Feb   08 PM
26
34
Thu, 11 Feb   09 PM
26
33
Thu, 11 Feb   10 PM
26
31
Thu, 11 Feb   11 PM
26
30
Fri, 12 Feb   12 AM
27
28
Fri, 12 Feb   01 AM
27
27
Fri, 12 Feb   02 AM
28
27
Fri, 12 Feb   03 AM
29
27
Fri, 12 Feb   04 AM
29
27
Smoke
Ending Time
(Local Time)
1 Hour Surface Smoke (µg/m³)
06Z Model Run
1 Hour Column-Integrated
Smoke (µg/m³)

06Z Model Run
Wed, 10 Feb  10 AM
0
0
Wed, 10 Feb  11 AM
0
0
Wed, 10 Feb  12 PM
0
0
Wed, 10 Feb  01 PM
0
0
Wed, 10 Feb  02 PM
0
0
Wed, 10 Feb  03 PM
0
0
Wed, 10 Feb  04 PM
0
0
Wed, 10 Feb  05 PM
0
0
Wed, 10 Feb  06 PM
0
0
Wed, 10 Feb  07 PM
0
0
Wed, 10 Feb  08 PM
0
0
Wed, 10 Feb  09 PM
0
0
Wed, 10 Feb  10 PM
0
0
Wed, 10 Feb  11 PM
0
0
Thu, 11 Feb  12 AM
0
0
Thu, 11 Feb  01 AM
0
0
Thu, 11 Feb  02 AM
0
0
Thu, 11 Feb  03 AM
0
0
Thu, 11 Feb  04 AM
0
0
Thu, 11 Feb  05 AM
0
0
Thu, 11 Feb  06 AM
0
0
Thu, 11 Feb  07 AM
0
0
Thu, 11 Feb  08 AM
0
0
Thu, 11 Feb  09 AM
0
0
Thu, 11 Feb  10 AM
0
0
Thu, 11 Feb  11 AM
0
0
Thu, 11 Feb  12 PM
0
0
Thu, 11 Feb  01 PM
0
0
Thu, 11 Feb  02 PM
0
0
Thu, 11 Feb  03 PM
0
0
Thu, 11 Feb  04 PM
0
0
Thu, 11 Feb  05 PM
0
0
Thu, 11 Feb  06 PM
0
0
Thu, 11 Feb  07 PM
0
0
Thu, 11 Feb  08 PM
0
0
Thu, 11 Feb  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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