Air Quality Forecast Guidance

Displayed below are NOAA-EPA Air Quality Forecast Guidance values for
latitude: 35.28 N, longitude: 116.56 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 05/30, 4Z)
58
56
*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
Mon, 29 May  11 AM
47
39
Mon, 29 May  12 PM
50
40
Mon, 29 May  01 PM
52
42
Mon, 29 May  02 PM
55
45
Mon, 29 May  03 PM
57
48
Mon, 29 May  04 PM
57
50
Mon, 29 May   05 PM
58
52
Mon, 29 May   06 PM
58
54
Mon, 29 May   07 PM
58
56
Mon, 29 May   08 PM
54
56
Mon, 29 May   09 PM
50
56
Mon, 29 May   10 PM
47
55
Mon, 29 May   11 PM
46
53
Tue, 30 May   12 AM
46
52
Tue, 30 May   01 AM
44
50
Tue, 30 May   02 AM
42
48
Tue, 30 May   03 AM
39
46
Tue, 30 May   04 AM
36
44
Tue, 30 May   05 AM
32
42
Tue, 30 May   06 AM
30
39
Tue, 30 May   07 AM
34
38
Tue, 30 May   08 AM
36
37
Tue, 30 May   09 AM
39
36
Tue, 30 May   10 AM
41
36
Tue, 30 May   11 AM
45
37
Tue, 30 May   12 PM
48
38
Tue, 30 May   01 PM
49
40
Tue, 30 May   02 PM
50
43
Tue, 30 May   03 PM
52
45
Tue, 30 May   04 PM
53
47
Tue, 30 May   05 PM
53
49
Tue, 30 May   06 PM
53
50
Tue, 30 May   07 PM
53
52
Tue, 30 May   08 PM
51
52
Tue, 30 May   09 PM
49
52
Tue, 30 May   10 PM
50
52
Tue, 30 May   11 PM
48
51
Wed, 31 May   12 AM
47
51
Wed, 31 May   01 AM
45
50
Wed, 31 May   02 AM
43
48
Smoke
Ending Time
(Local Time)
1 Hour Surface Smoke (µg/m³)
06Z Model Run
1 Hour Column-Integrated
Smoke (µg/m³)
06Z Model Run
Mon, 29 May  11 AM
0
0
Mon, 29 May  12 PM
0
0
Mon, 29 May  01 PM
0
0
Mon, 29 May  02 PM
0
0
Mon, 29 May  03 PM
0
0
Mon, 29 May  04 PM
0
0
Mon, 29 May  05 PM
0
0
Mon, 29 May  06 PM
0
0
Mon, 29 May  07 PM
0
0
Mon, 29 May  08 PM
0
0
Mon, 29 May  09 PM
0
0
Mon, 29 May  10 PM
0
0
Mon, 29 May  11 PM
0
0
Tue, 30 May  12 AM
0
0
Tue, 30 May  01 AM
0
0
Tue, 30 May  02 AM
0
0
Tue, 30 May  03 AM
0
0
Tue, 30 May  04 AM
0
0
Tue, 30 May  05 AM
0
0
Tue, 30 May  06 AM
0
0
Tue, 30 May  07 AM
0
0
Tue, 30 May  08 AM
0
0
Tue, 30 May  09 AM
0
0
Tue, 30 May  10 AM
0
0
Tue, 30 May  11 AM
0
0
Tue, 30 May  12 PM
0
0
Tue, 30 May  01 PM
0
0
Tue, 30 May  02 PM
0
0
Tue, 30 May  03 PM
0
0
Tue, 30 May  04 PM
0
0
Tue, 30 May  05 PM
0
0
Tue, 30 May  06 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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