Air Quality Forecast Guidance for San Jose, CA

Displayed below are NOAA-EPA Air Quality Forecast Guidance values for
latitude: 37.35 N, longitude: 121.86 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 12/08, 4Z)
30
20
*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
Tue, 07 Dec  01 PM
15
7
Tue, 07 Dec  02 PM
17
9
Tue, 07 Dec  03 PM
23
10
Tue, 07 Dec   04 PM
29
13
Tue, 07 Dec   05 PM
28
16
Tue, 07 Dec   06 PM
21
19
Tue, 07 Dec   07 PM
11
19
Tue, 07 Dec   08 PM
9
19
Tue, 07 Dec   09 PM
9
18
Tue, 07 Dec   10 PM
9
17
Tue, 07 Dec   11 PM
9
16
Wed, 08 Dec   12 AM
10
13
Wed, 08 Dec   01 AM
9
11
Wed, 08 Dec   02 AM
9
9
Wed, 08 Dec   03 AM
2
8
Wed, 08 Dec   04 AM
1
7
Wed, 08 Dec   05 AM
10
7
Wed, 08 Dec   06 AM
11
7
Wed, 08 Dec   07 AM
8
7
Wed, 08 Dec   08 AM
7
7
Wed, 08 Dec   09 AM
10
7
Wed, 08 Dec   10 AM
14
7
Wed, 08 Dec   11 AM
16
9
Wed, 08 Dec   12 PM
18
12
Wed, 08 Dec   01 PM
20
13
Wed, 08 Dec   02 PM
18
14
Wed, 08 Dec   03 PM
19
15
Wed, 08 Dec   04 PM
24
17
Wed, 08 Dec   05 PM
36
21
Wed, 08 Dec   06 PM
37
24
Wed, 08 Dec   07 PM
31
25
Wed, 08 Dec   08 PM
28
27
Wed, 08 Dec   09 PM
26
27
Wed, 08 Dec   10 PM
22
28
Wed, 08 Dec   11 PM
24
29
Thu, 09 Dec   12 AM
30
29
Thu, 09 Dec   01 AM
39
30
Smoke
Ending Time
(Local Time)
1 Hour Surface Smoke (µg/m³)
06Z Model Run
1 Hour Column-Integrated
Smoke (µg/m³)

06Z Model Run
Tue, 07 Dec  01 PM
0
0
Tue, 07 Dec  02 PM
0
0
Tue, 07 Dec  03 PM
0
0
Tue, 07 Dec  04 PM
0
0
Tue, 07 Dec  05 PM
0
0
Tue, 07 Dec  06 PM
0
0
Tue, 07 Dec  07 PM
0
0
Tue, 07 Dec  08 PM
0
0
Tue, 07 Dec  09 PM
0
0
Tue, 07 Dec  10 PM
0
0
Tue, 07 Dec  11 PM
0
0
Wed, 08 Dec  12 AM
0
0
Wed, 08 Dec  01 AM
0
0
Wed, 08 Dec  02 AM
0
0
Wed, 08 Dec  03 AM
0
0
Wed, 08 Dec  04 AM
0
0
Wed, 08 Dec  05 AM
0
0
Wed, 08 Dec  06 AM
0
0
Wed, 08 Dec  07 AM
0
0
Wed, 08 Dec  08 AM
0
0
Wed, 08 Dec  09 AM
0
0
Wed, 08 Dec  10 AM
0
0
Wed, 08 Dec  11 AM
0
0
Wed, 08 Dec  12 PM
0
0
Wed, 08 Dec  01 PM
0
0
Wed, 08 Dec  02 PM
0
0
Wed, 08 Dec  03 PM
0
0
Wed, 08 Dec  04 PM
0
0
Wed, 08 Dec  05 PM
0
0
Wed, 08 Dec  06 PM
0
0
Wed, 08 Dec  07 PM
0
0
Wed, 08 Dec  08 PM
0
0
Wed, 08 Dec  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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