Air Quality Forecast Guidance for East Foothills, CA

Displayed below are NOAA-EPA Air Quality Forecast Guidance values for
latitude: 37.39 N, longitude: 121.74 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 08/03, 4Z)
73
62
*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
Tue, 03 Aug  04 AM
18
28
Tue, 03 Aug  05 AM
17
26
Tue, 03 Aug  06 AM
27
26
Tue, 03 Aug  07 AM
27
25
Tue, 03 Aug  08 AM
25
25
Tue, 03 Aug  09 AM
29
25
Tue, 03 Aug  10 AM
35
26
Tue, 03 Aug  11 AM
42
28
Tue, 03 Aug  12 PM
48
31
Tue, 03 Aug  01 PM
54
36
Tue, 03 Aug  02 PM
60
40
Tue, 03 Aug  03 PM
65
45
Tue, 03 Aug  04 PM
70
50
Tue, 03 Aug   05 PM
70
55
Tue, 03 Aug   06 PM
65
59
Tue, 03 Aug   07 PM
51
60
Tue, 03 Aug   08 PM
39
59
Tue, 03 Aug   09 PM
32
56
Tue, 03 Aug   10 PM
28
52
Tue, 03 Aug   11 PM
28
48
Wed, 04 Aug   12 AM
28
43
Wed, 04 Aug   01 AM
28
37
Wed, 04 Aug   02 AM
29
33
Wed, 04 Aug   03 AM
27
30
Wed, 04 Aug   04 AM
19
27
Wed, 04 Aug   05 AM
18
26
Wed, 04 Aug   06 AM
25
25
Wed, 04 Aug   07 AM
23
25
Wed, 04 Aug   08 AM
21
24
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, 03 Aug  04 AM
0
0
Tue, 03 Aug  05 AM
0
0
Tue, 03 Aug  06 AM
0
0
Tue, 03 Aug  07 AM
0
0
Tue, 03 Aug  08 AM
0
0
Tue, 03 Aug  09 AM
0
0
Tue, 03 Aug  10 AM
0
0
Tue, 03 Aug  11 AM
0
0
Tue, 03 Aug  12 PM
0
0
Tue, 03 Aug  01 PM
0
0
Tue, 03 Aug  02 PM
0
0
Tue, 03 Aug  03 PM
0
0
Tue, 03 Aug  04 PM
0
0
Tue, 03 Aug  05 PM
0
0
Tue, 03 Aug  06 PM
0
0
Tue, 03 Aug  07 PM
0
0
Tue, 03 Aug  08 PM
0
0
Tue, 03 Aug  09 PM
0
0
Tue, 03 Aug  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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