Air Quality Forecast Guidance

Displayed below are NOAA-EPA Air Quality Forecast Guidance values for
latitude: 36.70 N, longitude: 118.42 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 07/14, 4Z)
71
68
*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
Tue, 14 Jul  02 AM
59
66
Tue, 14 Jul  03 AM
61
65
Tue, 14 Jul  04 AM
60
63
Tue, 14 Jul  05 AM
57
62
Tue, 14 Jul  06 AM
54
60
Tue, 14 Jul  07 AM
48
58
Tue, 14 Jul  08 AM
47
56
Tue, 14 Jul  09 AM
49
54
Tue, 14 Jul  10 AM
53
54
Tue, 14 Jul  11 AM
55
53
Tue, 14 Jul  12 PM
55
52
Tue, 14 Jul  01 PM
54
52
Tue, 14 Jul  02 PM
54
52
Tue, 14 Jul  03 PM
55
53
Tue, 14 Jul  04 PM
57
54
Tue, 14 Jul   05 PM
60
55
Tue, 14 Jul   06 PM
61
56
Tue, 14 Jul   07 PM
61
57
Tue, 14 Jul   08 PM
57
57
Tue, 14 Jul   09 PM
48
57
Tue, 14 Jul   10 PM
49
56
Tue, 14 Jul   11 PM
48
55
Wed, 15 Jul   12 AM
48
54
Wed, 15 Jul   01 AM
50
53
Wed, 15 Jul   02 AM
51
52
Wed, 15 Jul   03 AM
52
50
Wed, 15 Jul   04 AM
50
50
Wed, 15 Jul   05 AM
45
49
Smoke
Ending Time
(Local Time)
1 Hour Surface Smoke (µg/m³)
06Z Model Run
1 Hour Column-Integrated
Smoke (µg/m³)

06Z Model Run
Tue, 14 Jul  02 AM
0
0
Tue, 14 Jul  03 AM
0
0
Tue, 14 Jul  04 AM
0
0
Tue, 14 Jul  05 AM
0
0
Tue, 14 Jul  06 AM
0
0
Tue, 14 Jul  07 AM
0
0
Tue, 14 Jul  08 AM
0
0
Tue, 14 Jul  09 AM
0
0
Tue, 14 Jul  10 AM
0
0
Tue, 14 Jul  11 AM
0
0
Tue, 14 Jul  12 PM
0
0
Tue, 14 Jul  01 PM
0
0
Tue, 14 Jul  02 PM
0
0
Tue, 14 Jul  03 PM
0
0
Tue, 14 Jul  04 PM
0
0
Tue, 14 Jul  05 PM
0
0
Tue, 14 Jul  06 PM
0
0
Tue, 14 Jul  07 PM
0
0
Tue, 14 Jul  08 PM
0
0
Tue, 14 Jul  09 PM
0
0
Tue, 14 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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