Air Quality Forecast Guidance

Displayed below are NOAA-EPA Air Quality Forecast Guidance values for
latitude: 36.74 N, longitude: 118.40 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
60
*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
56
Fri, 07 Aug  01 PM
61
57
Fri, 07 Aug  02 PM
61
58
Fri, 07 Aug  03 PM
61
59
Fri, 07 Aug  04 PM
59
60
Fri, 07 Aug   05 PM
58
60
Fri, 07 Aug   06 PM
57
60
Fri, 07 Aug   07 PM
55
59
Fri, 07 Aug   08 PM
52
58
Fri, 07 Aug   09 PM
47
56
Fri, 07 Aug   10 PM
48
55
Fri, 07 Aug   11 PM
49
53
Sat, 08 Aug   12 AM
51
52
Sat, 08 Aug   01 AM
51
51
Sat, 08 Aug   02 AM
54
51
Sat, 08 Aug   03 AM
54
51
Sat, 08 Aug   04 AM
54
51
Sat, 08 Aug   05 AM
52
52
Sat, 08 Aug   06 AM
52
52
Sat, 08 Aug   07 AM
48
52
Sat, 08 Aug   08 AM
48
52
Sat, 08 Aug   09 AM
52
52
Sat, 08 Aug   10 AM
54
52
Sat, 08 Aug   11 AM
56
52
Sat, 08 Aug   12 PM
60
53
Sat, 08 Aug   01 PM
63
54
Sat, 08 Aug   02 PM
63
56
Sat, 08 Aug   03 PM
62
57
Sat, 08 Aug   04 PM
61
59
Sat, 08 Aug   05 PM
62
60
Sat, 08 Aug   06 PM
62
61
Sat, 08 Aug   07 PM
60
62
Sat, 08 Aug   08 PM
57
61
Sat, 08 Aug   09 PM
52
60
Sat, 08 Aug   10 PM
55
59
Sat, 08 Aug   11 PM
55
58
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
5
Fri, 07 Aug  10 AM
0
3
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
1
Fri, 07 Aug  07 PM
0
1
Fri, 07 Aug  08 PM
0
1
Fri, 07 Aug  09 PM
0
2
Fri, 07 Aug  10 PM
0
3
Fri, 07 Aug  11 PM
0
4
Sat, 08 Aug  12 AM
0
3
Sat, 08 Aug  01 AM
0
1
Sat, 08 Aug  02 AM
0
1
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
2
Sat, 08 Aug  07 AM
0
3
Sat, 08 Aug  08 AM
0
3
Sat, 08 Aug  09 AM
0
2
Sat, 08 Aug  10 AM
0
1
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
0
Sat, 08 Aug  04 PM
0
0
Sat, 08 Aug  05 PM
0
0
Sat, 08 Aug  06 PM
0
1
Sat, 08 Aug  07 PM
0
1
Sat, 08 Aug  08 PM
0
2
Sat, 08 Aug  09 PM
0
1
Sat, 08 Aug  10 PM
0
1

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


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