Air Quality Forecast Guidance

Displayed below are NOAA-EPA Air Quality Forecast Guidance values for
latitude: 35.44 N, longitude: 118.15 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 08/05, 4Z)
82
72
*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, 04 Aug  02 PM
63
63
Wed, 04 Aug  03 PM
64
64
Wed, 04 Aug  04 PM
67
65
Wed, 04 Aug   05 PM
72
66
Wed, 04 Aug   06 PM
77
67
Wed, 04 Aug   07 PM
80
69
Wed, 04 Aug   08 PM
81
71
Wed, 04 Aug   09 PM
69
72
Wed, 04 Aug   10 PM
61
71
Wed, 04 Aug   11 PM
58
71
Thu, 05 Aug   12 AM
56
69
Thu, 05 Aug   01 AM
55
67
Thu, 05 Aug   02 AM
54
64
Thu, 05 Aug   03 AM
53
61
Thu, 05 Aug   04 AM
51
57
Thu, 05 Aug   05 AM
48
54
Thu, 05 Aug   06 AM
37
51
Thu, 05 Aug   07 AM
42
49
Thu, 05 Aug   08 AM
47
48
Thu, 05 Aug   09 AM
53
48
Thu, 05 Aug   10 AM
62
49
Thu, 05 Aug   11 AM
62
50
Thu, 05 Aug   12 PM
60
51
Thu, 05 Aug   01 PM
60
53
Thu, 05 Aug   02 PM
63
56
Thu, 05 Aug   03 PM
64
59
Thu, 05 Aug   04 PM
63
61
Thu, 05 Aug   05 PM
63
62
Thu, 05 Aug   06 PM
65
63
Thu, 05 Aug   07 PM
69
64
Thu, 05 Aug   08 PM
72
65
Thu, 05 Aug   09 PM
67
66
Thu, 05 Aug   10 PM
63
66
Thu, 05 Aug   11 PM
59
65
Fri, 06 Aug   12 AM
55
64
Fri, 06 Aug   01 AM
52
63
Fri, 06 Aug   02 AM
51
61
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, 04 Aug  02 PM
0
0
Wed, 04 Aug  03 PM
0
0
Wed, 04 Aug  04 PM
0
0
Wed, 04 Aug  05 PM
0
0
Wed, 04 Aug  06 PM
0
0
Wed, 04 Aug  07 PM
0
0
Wed, 04 Aug  08 PM
0
1
Wed, 04 Aug  09 PM
0
1
Wed, 04 Aug  10 PM
0
1
Wed, 04 Aug  11 PM
0
1
Thu, 05 Aug  12 AM
0
1
Thu, 05 Aug  01 AM
0
0
Thu, 05 Aug  02 AM
0
1
Thu, 05 Aug  03 AM
0
0
Thu, 05 Aug  04 AM
0
0
Thu, 05 Aug  05 AM
0
0
Thu, 05 Aug  06 AM
0
0
Thu, 05 Aug  07 AM
0
0
Thu, 05 Aug  08 AM
0
1
Thu, 05 Aug  09 AM
0
0
Thu, 05 Aug  10 AM
0
0
Thu, 05 Aug  11 AM
0
0
Thu, 05 Aug  12 PM
0
0
Thu, 05 Aug  01 PM
0
0
Thu, 05 Aug  02 PM
0
0
Thu, 05 Aug  03 PM
0
0
Thu, 05 Aug  04 PM
0
0
Thu, 05 Aug  05 PM
0
0
Thu, 05 Aug  06 PM
0
0
Thu, 05 Aug  07 PM
0
0
Thu, 05 Aug  08 PM
0
0
Thu, 05 Aug  09 PM
0
0
Thu, 05 Aug  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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