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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 04/24, 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
Wed, 23 Apr  07 AM
27
29
Wed, 23 Apr  08 AM
28
29
Wed, 23 Apr  09 AM
34
29
Wed, 23 Apr  10 AM
38
30
Wed, 23 Apr  11 AM
40
32
Wed, 23 Apr  12 PM
40
33
Wed, 23 Apr  01 PM
40
35
Wed, 23 Apr  02 PM
40
36
Wed, 23 Apr  03 PM
40
38
Wed, 23 Apr  04 PM
39
39
Wed, 23 Apr   05 PM
38
39
Wed, 23 Apr   06 PM
37
39
Wed, 23 Apr   07 PM
36
39
Wed, 23 Apr   08 PM
35
38
Wed, 23 Apr   09 PM
35
37
Wed, 23 Apr   10 PM
35
37
Wed, 23 Apr   11 PM
34
36
Thu, 24 Apr   12 AM
32
35
Thu, 24 Apr   01 AM
32
35
Thu, 24 Apr   02 AM
32
34
Thu, 24 Apr   03 AM
33
34
Thu, 24 Apr   04 AM
34
34
Thu, 24 Apr   05 AM
34
33
Thu, 24 Apr   06 AM
34
33
Thu, 24 Apr   07 AM
33
33
Thu, 24 Apr   08 AM
34
33
Thu, 24 Apr   09 AM
36
34
Thu, 24 Apr   10 AM
37
34
Thu, 24 Apr   11 AM
37
35
Thu, 24 Apr   12 PM
37
35
Thu, 24 Apr   01 PM
37
36
Thu, 24 Apr   02 PM
37
36
Thu, 24 Apr   03 PM
36
37
Thu, 24 Apr   04 PM
36
37
Thu, 24 Apr   05 PM
35
37
Thu, 24 Apr   06 PM
36
36
Thu, 24 Apr   07 PM
37
36
Thu, 24 Apr   08 PM
38
36
Thu, 24 Apr   09 PM
39
37
Thu, 24 Apr   10 PM
39
37
Thu, 24 Apr   11 PM
39
37
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, 23 Apr  07 AM
0
0
Wed, 23 Apr  08 AM
0
0
Wed, 23 Apr  09 AM
0
0
Wed, 23 Apr  10 AM
0
0
Wed, 23 Apr  11 AM
0
0
Wed, 23 Apr  12 PM
0
0
Wed, 23 Apr  01 PM
0
0
Wed, 23 Apr  02 PM
0
0
Wed, 23 Apr  03 PM
0
0
Wed, 23 Apr  04 PM
0
0
Wed, 23 Apr  05 PM
0
0
Wed, 23 Apr  06 PM
0
0
Wed, 23 Apr  07 PM
0
0
Wed, 23 Apr  08 PM
0
0
Wed, 23 Apr  09 PM
0
0
Wed, 23 Apr  10 PM
0
0
Wed, 23 Apr  11 PM
0
0
Thu, 24 Apr  12 AM
0
0
Thu, 24 Apr  01 AM
0
0
Thu, 24 Apr  02 AM
0
0
Thu, 24 Apr  03 AM
0
0
Thu, 24 Apr  04 AM
0
0
Thu, 24 Apr  05 AM
0
0
Thu, 24 Apr  06 AM
0
0
Thu, 24 Apr  07 AM
0
0
Thu, 24 Apr  08 AM
0
0
Thu, 24 Apr  09 AM
0
0
Thu, 24 Apr  10 AM
0
0
Thu, 24 Apr  11 AM
0
0
Thu, 24 Apr  12 PM
0
0
Thu, 24 Apr  01 PM
0
0
Thu, 24 Apr  02 PM
0
0
Thu, 24 Apr  03 PM
0
0
Thu, 24 Apr  04 PM
0
0
Thu, 24 Apr  05 PM
0
0
Thu, 24 Apr  06 PM
0
0
Thu, 24 Apr  07 PM
0
0
Thu, 24 Apr  08 PM
0
0
Thu, 24 Apr  09 PM
0
0
Thu, 24 Apr  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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