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Air Quality Forecast Guidance for El Portal, CA

Displayed below are NOAA-EPA Air Quality Forecast Guidance values for
latitude: 37.68 N, longitude: 119.78 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 05/25, 4Z)
60
59
*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
Fri, 24 May  02 PM
58
56
Fri, 24 May  03 PM
58
58
Fri, 24 May  04 PM
58
59
Fri, 24 May   05 PM
58
58
Fri, 24 May   06 PM
58
58
Fri, 24 May   07 PM
58
58
Fri, 24 May   08 PM
58
58
Fri, 24 May   09 PM
55
58
Fri, 24 May   10 PM
51
57
Fri, 24 May   11 PM
47
55
Sat, 25 May   12 AM
44
54
Sat, 25 May   01 AM
42
52
Sat, 25 May   02 AM
42
50
Sat, 25 May   03 AM
42
48
Sat, 25 May   04 AM
43
46
Sat, 25 May   05 AM
44
44
Sat, 25 May   06 AM
45
44
Sat, 25 May   07 AM
44
43
Sat, 25 May   08 AM
52
44
Sat, 25 May   09 AM
57
46
Sat, 25 May   10 AM
56
48
Sat, 25 May   11 AM
56
50
Sat, 25 May   12 PM
55
51
Sat, 25 May   01 PM
55
52
Sat, 25 May   02 PM
55
54
Sat, 25 May   03 PM
55
55
Sat, 25 May   04 PM
55
55
Sat, 25 May   05 PM
55
55
Sat, 25 May   06 PM
55
55
Sat, 25 May   07 PM
56
55
Sat, 25 May   08 PM
56
55
Sat, 25 May   09 PM
56
55
Sat, 25 May   10 PM
54
55
Sat, 25 May   11 PM
51
55
Sun, 26 May   12 AM
48
54
Sun, 26 May   01 AM
45
53
Sun, 26 May   02 AM
44
51
Sun, 26 May   03 AM
45
50
Sun, 26 May   04 AM
45
48
Sun, 26 May   05 AM
45
47
Smoke
Ending Time
(Local Time)
1 Hour Surface Smoke (µg/m³)
06Z Model Run
1 Hour Column-Integrated
Smoke (µg/m³)
06Z Model Run
Fri, 24 May  02 PM
0
0
Fri, 24 May  03 PM
0
0
Fri, 24 May  04 PM
0
0
Fri, 24 May  05 PM
0
0
Fri, 24 May  06 PM
0
0
Fri, 24 May  07 PM
0
0
Fri, 24 May  08 PM
0
0
Fri, 24 May  09 PM
0
0
Fri, 24 May  10 PM
0
0
Fri, 24 May  11 PM
0
0
Sat, 25 May  12 AM
0
0
Sat, 25 May  01 AM
0
0
Sat, 25 May  02 AM
0
0
Sat, 25 May  03 AM
0
0
Sat, 25 May  04 AM
0
0
Sat, 25 May  05 AM
0
0
Sat, 25 May  06 AM
0
0
Sat, 25 May  07 AM
0
0
Sat, 25 May  08 AM
0
0
Sat, 25 May  09 AM
0
0
Sat, 25 May  10 AM
0
0
Sat, 25 May  11 AM
0
0
Sat, 25 May  12 PM
0
0
Sat, 25 May  01 PM
0
0
Sat, 25 May  02 PM
0
0
Sat, 25 May  03 PM
0
0
Sat, 25 May  04 PM
0
0
Sat, 25 May  05 PM
0
0
Sat, 25 May  06 PM
0
0
Sat, 25 May  07 PM
0
0
Sat, 25 May  08 PM
0
0
Sat, 25 May  09 PM
0
0
Sat, 25 May  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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