Air Quality Forecast Guidance for San Diego, CA

Displayed below are NOAA-EPA Air Quality Forecast Guidance values for
latitude: 32.78 N, longitude: 117.16 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 01/22, 4Z)
41
37
*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
Sun, 21 Jan  12 PM
36
31
Sun, 21 Jan  01 PM
38
32
Sun, 21 Jan  02 PM
40
33
Sun, 21 Jan  03 PM
41
35
Sun, 21 Jan   04 PM
41
36
Sun, 21 Jan   05 PM
38
37
Sun, 21 Jan   06 PM
30
37
Sun, 21 Jan   07 PM
25
36
Sun, 21 Jan   08 PM
24
35
Sun, 21 Jan   09 PM
25
33
Sun, 21 Jan   10 PM
26
31
Sun, 21 Jan   11 PM
27
29
Mon, 22 Jan   12 AM
27
28
Mon, 22 Jan   01 AM
27
26
Mon, 22 Jan   02 AM
27
26
Mon, 22 Jan   03 AM
27
26
Mon, 22 Jan   04 AM
27
26
Mon, 22 Jan   05 AM
27
27
Mon, 22 Jan   06 AM
25
27
Mon, 22 Jan   07 AM
20
26
Mon, 22 Jan   08 AM
17
25
Mon, 22 Jan   09 AM
21
24
Mon, 22 Jan   10 AM
23
23
Mon, 22 Jan   11 AM
27
23
Mon, 22 Jan   12 PM
31
24
Mon, 22 Jan   01 PM
33
25
Mon, 22 Jan   02 PM
34
26
Mon, 22 Jan   03 PM
34
27
Mon, 22 Jan   04 PM
32
29
Mon, 22 Jan   05 PM
24
30
Mon, 22 Jan   06 PM
11
28
Mon, 22 Jan   07 PM
8
26
Mon, 22 Jan   08 PM
7
23
Mon, 22 Jan   09 PM
6
20
Mon, 22 Jan   10 PM
8
16
Mon, 22 Jan   11 PM
14
14
Tue, 23 Jan   12 AM
21
12
Tue, 23 Jan   01 AM
27
13
Tue, 23 Jan   02 AM
30
15
Tue, 23 Jan   03 AM
31
18
Tue, 23 Jan   04 AM
32
21
Smoke
Ending Time
(Local Time)
1 Hour Surface Smoke (µg/m³)
06Z Model Run
1 Hour Column-Integrated
Smoke (µg/m³)

06Z Model Run
Sun, 21 Jan  12 PM
0
0
Sun, 21 Jan  01 PM
0
0
Sun, 21 Jan  02 PM
0
0
Sun, 21 Jan  03 PM
0
0
Sun, 21 Jan  04 PM
0
0
Sun, 21 Jan  05 PM
0
0
Sun, 21 Jan  06 PM
0
0
Sun, 21 Jan  07 PM
0
0
Sun, 21 Jan  08 PM
0
0
Sun, 21 Jan  09 PM
0
0
Sun, 21 Jan  10 PM
0
0
Sun, 21 Jan  11 PM
0
0
Mon, 22 Jan  12 AM
0
0
Mon, 22 Jan  01 AM
0
0
Mon, 22 Jan  02 AM
0
0
Mon, 22 Jan  03 AM
0
0
Mon, 22 Jan  04 AM
0
0
Mon, 22 Jan  05 AM
0
0
Mon, 22 Jan  06 AM
0
0
Mon, 22 Jan  07 AM
0
0
Mon, 22 Jan  08 AM
0
0
Mon, 22 Jan  09 AM
0
0
Mon, 22 Jan  10 AM
0
0
Mon, 22 Jan  11 AM
0
0
Mon, 22 Jan  12 PM
0
0
Mon, 22 Jan  01 PM
0
0
Mon, 22 Jan  02 PM
0
0
Mon, 22 Jan  03 PM
0
0
Mon, 22 Jan  04 PM
0
0
Mon, 22 Jan  05 PM
0
0
Mon, 22 Jan  06 PM
0
0
Mon, 22 Jan  07 PM
0
0
Mon, 22 Jan  08 PM
0
0
Mon, 22 Jan  09 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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