Air Quality Forecast Guidance

Displayed below are NOAA-EPA Air Quality Forecast Guidance values for
latitude: 36.45 N, longitude: 118.52 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 04/16, 4Z)
63
61
*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
Thu, 15 Apr  09 AM
50
44
Thu, 15 Apr  10 AM
60
46
Thu, 15 Apr  11 AM
63
48
Thu, 15 Apr  12 PM
61
51
Thu, 15 Apr  01 PM
61
53
Thu, 15 Apr  02 PM
60
55
Thu, 15 Apr  03 PM
60
57
Thu, 15 Apr  04 PM
61
60
Thu, 15 Apr   05 PM
60
61
Thu, 15 Apr   06 PM
59
61
Thu, 15 Apr   07 PM
58
60
Thu, 15 Apr   08 PM
50
59
Thu, 15 Apr   09 PM
47
57
Thu, 15 Apr   10 PM
41
55
Thu, 15 Apr   11 PM
38
52
Fri, 16 Apr   12 AM
36
49
Fri, 16 Apr   01 AM
34
45
Fri, 16 Apr   02 AM
33
42
Fri, 16 Apr   03 AM
32
39
Fri, 16 Apr   04 AM
31
37
Fri, 16 Apr   05 AM
31
35
Fri, 16 Apr   06 AM
31
33
Fri, 16 Apr   07 AM
28
32
Fri, 16 Apr   08 AM
37
32
Fri, 16 Apr   09 AM
46
34
Fri, 16 Apr   10 AM
52
36
Fri, 16 Apr   11 AM
54
39
Fri, 16 Apr   12 PM
53
42
Fri, 16 Apr   01 PM
53
44
Fri, 16 Apr   02 PM
53
47
Fri, 16 Apr   03 PM
54
50
Fri, 16 Apr   04 PM
55
53
Fri, 16 Apr   05 PM
58
54
Fri, 16 Apr   06 PM
59
55
Fri, 16 Apr   07 PM
56
55
Fri, 16 Apr   08 PM
48
54
Fri, 16 Apr   09 PM
46
53
Fri, 16 Apr   10 PM
48
53
Fri, 16 Apr   11 PM
47
52
Smoke
Ending Time
(Local Time)
1 Hour Surface Smoke (µg/m³)
06Z Model Run
1 Hour Column-Integrated
Smoke (µg/m³)

06Z Model Run
Thu, 15 Apr  09 AM
0
0
Thu, 15 Apr  10 AM
0
0
Thu, 15 Apr  11 AM
0
0
Thu, 15 Apr  12 PM
0
0
Thu, 15 Apr  01 PM
0
0
Thu, 15 Apr  02 PM
0
0
Thu, 15 Apr  03 PM
0
0
Thu, 15 Apr  04 PM
0
0
Thu, 15 Apr  05 PM
0
0
Thu, 15 Apr  06 PM
0
0
Thu, 15 Apr  07 PM
0
0
Thu, 15 Apr  08 PM
0
0
Thu, 15 Apr  09 PM
0
0
Thu, 15 Apr  10 PM
0
0
Thu, 15 Apr  11 PM
0
0
Fri, 16 Apr  12 AM
0
0
Fri, 16 Apr  01 AM
0
0
Fri, 16 Apr  02 AM
0
0
Fri, 16 Apr  03 AM
0
0
Fri, 16 Apr  04 AM
0
0
Fri, 16 Apr  05 AM
0
0
Fri, 16 Apr  06 AM
0
0
Fri, 16 Apr  07 AM
0
0
Fri, 16 Apr  08 AM
0
0
Fri, 16 Apr  09 AM
0
0
Fri, 16 Apr  10 AM
0
0
Fri, 16 Apr  11 AM
0
0
Fri, 16 Apr  12 PM
0
0
Fri, 16 Apr  01 PM
0
0
Fri, 16 Apr  02 PM
0
0
Fri, 16 Apr  03 PM
0
0
Fri, 16 Apr  04 PM
0
0
Fri, 16 Apr  05 PM
0
0
Fri, 16 Apr  06 PM
0
0
Fri, 16 Apr  07 PM
0
0
Fri, 16 Apr  08 PM
0
0
Fri, 16 Apr  09 PM
0
0
Fri, 16 Apr  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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