Air Quality Forecast Guidance

Displayed below are NOAA-EPA Air Quality Forecast Guidance values for
latitude: 36.59 N, longitude: 118.29 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 08/08, 4Z)
62
59
*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
Fri, 07 Aug  09 AM
55
52
Fri, 07 Aug  10 AM
59
53
Fri, 07 Aug  11 AM
61
54
Fri, 07 Aug  12 PM
62
55
Fri, 07 Aug  01 PM
61
57
Fri, 07 Aug  02 PM
60
58
Fri, 07 Aug  03 PM
59
59
Fri, 07 Aug  04 PM
56
59
Fri, 07 Aug   05 PM
56
59
Fri, 07 Aug   06 PM
56
59
Fri, 07 Aug   07 PM
55
58
Fri, 07 Aug   08 PM
54
57
Fri, 07 Aug   09 PM
49
56
Fri, 07 Aug   10 PM
49
54
Fri, 07 Aug   11 PM
49
53
Sat, 08 Aug   12 AM
51
52
Sat, 08 Aug   01 AM
51
52
Sat, 08 Aug   02 AM
54
52
Sat, 08 Aug   03 AM
55
52
Sat, 08 Aug   04 AM
55
52
Sat, 08 Aug   05 AM
53
52
Sat, 08 Aug   06 AM
53
53
Sat, 08 Aug   07 AM
48
53
Sat, 08 Aug   08 AM
49
52
Sat, 08 Aug   09 AM
54
53
Sat, 08 Aug   10 AM
58
53
Sat, 08 Aug   11 AM
62
54
Sat, 08 Aug   12 PM
64
55
Sat, 08 Aug   01 PM
64
56
Sat, 08 Aug   02 PM
63
58
Sat, 08 Aug   03 PM
62
59
Sat, 08 Aug   04 PM
61
61
Sat, 08 Aug   05 PM
63
62
Sat, 08 Aug   06 PM
63
63
Sat, 08 Aug   07 PM
62
63
Sat, 08 Aug   08 PM
60
62
Sat, 08 Aug   09 PM
55
61
Sat, 08 Aug   10 PM
56
60
Sat, 08 Aug   11 PM
54
59
Smoke
Ending Time
(Local Time)
1 Hour Surface Smoke (µg/m³)
06Z Model Run
1 Hour Column-Integrated
Smoke (µg/m³)

06Z Model Run
Fri, 07 Aug  09 AM
0
3
Fri, 07 Aug  10 AM
0
2
Fri, 07 Aug  11 AM
0
2
Fri, 07 Aug  12 PM
0
1
Fri, 07 Aug  01 PM
0
1
Fri, 07 Aug  02 PM
0
1
Fri, 07 Aug  03 PM
0
1
Fri, 07 Aug  04 PM
0
0
Fri, 07 Aug  05 PM
0
0
Fri, 07 Aug  06 PM
0
0
Fri, 07 Aug  07 PM
0
0
Fri, 07 Aug  08 PM
0
0
Fri, 07 Aug  09 PM
0
1
Fri, 07 Aug  10 PM
0
1
Fri, 07 Aug  11 PM
0
1
Sat, 08 Aug  12 AM
0
2
Sat, 08 Aug  01 AM
0
1
Sat, 08 Aug  02 AM
0
2
Sat, 08 Aug  03 AM
0
2
Sat, 08 Aug  04 AM
0
2
Sat, 08 Aug  05 AM
0
2
Sat, 08 Aug  06 AM
0
4
Sat, 08 Aug  07 AM
0
3
Sat, 08 Aug  08 AM
0
1
Sat, 08 Aug  09 AM
0
0
Sat, 08 Aug  10 AM
0
0
Sat, 08 Aug  11 AM
0
0
Sat, 08 Aug  12 PM
0
0
Sat, 08 Aug  01 PM
0
0
Sat, 08 Aug  02 PM
0
0
Sat, 08 Aug  03 PM
0
1
Sat, 08 Aug  04 PM
0
1
Sat, 08 Aug  05 PM
0
1
Sat, 08 Aug  06 PM
0
1
Sat, 08 Aug  07 PM
0
3
Sat, 08 Aug  08 PM
0
5
Sat, 08 Aug  09 PM
0
6
Sat, 08 Aug  10 PM
0
5

National Weather Service Air Quality Program Page
Environmental Protection Agency AirNow Forecast Page
Graphical Air Quality Forecast Guidance
FAQ


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