Air Quality Forecast Guidance for Santa Ana, CA

Displayed below are NOAA-EPA Air Quality Forecast Guidance values for
latitude: 33.75 N, longitude: 117.87 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 05/13, 4Z)
66
55
*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
Wed, 12 May  01 PM
54
36
Wed, 12 May  02 PM
62
40
Wed, 12 May  03 PM
66
44
Wed, 12 May  04 PM
62
48
Wed, 12 May   05 PM
55
51
Wed, 12 May   06 PM
51
53
Wed, 12 May   07 PM
47
55
Wed, 12 May   08 PM
43
55
Wed, 12 May   09 PM
43
54
Wed, 12 May   10 PM
38
51
Wed, 12 May   11 PM
36
47
Thu, 13 May   12 AM
36
44
Thu, 13 May   01 AM
35
41
Thu, 13 May   02 AM
35
39
Thu, 13 May   03 AM
34
38
Thu, 13 May   04 AM
35
37
Thu, 13 May   05 AM
35
36
Thu, 13 May   06 AM
34
35
Thu, 13 May   07 AM
31
34
Thu, 13 May   08 AM
31
34
Thu, 13 May   09 AM
32
33
Thu, 13 May   10 AM
33
33
Thu, 13 May   11 AM
36
33
Thu, 13 May   12 PM
43
34
Thu, 13 May   01 PM
51
36
Thu, 13 May   02 PM
57
39
Thu, 13 May   03 PM
58
43
Thu, 13 May   04 PM
53
45
Thu, 13 May   05 PM
46
47
Thu, 13 May   06 PM
42
48
Thu, 13 May   07 PM
39
49
Thu, 13 May   08 PM
36
48
Thu, 13 May   09 PM
33
46
Thu, 13 May   10 PM
33
43
Thu, 13 May   11 PM
32
39
Fri, 14 May   12 AM
31
37
Fri, 14 May   01 AM
31
35
Fri, 14 May   02 AM
32
34
Fri, 14 May   03 AM
31
33
Fri, 14 May   04 AM
31
32
Fri, 14 May   05 AM
31
32
Smoke
Ending Time
(Local Time)
1 Hour Surface Smoke (µg/m³)
06Z Model Run
1 Hour Column-Integrated
Smoke (µg/m³)

06Z Model Run
Wed, 12 May  10 AM
0
0
Wed, 12 May  11 AM
0
0
Wed, 12 May  12 PM
0
0
Wed, 12 May  01 PM
0
0
Wed, 12 May  02 PM
0
0
Wed, 12 May  03 PM
0
0
Wed, 12 May  04 PM
0
0
Wed, 12 May  05 PM
0
0
Wed, 12 May  06 PM
0
0
Wed, 12 May  07 PM
0
0
Wed, 12 May  08 PM
0
0
Wed, 12 May  09 PM
0
0
Wed, 12 May  10 PM
0
0
Wed, 12 May  11 PM
0
0
Thu, 13 May  12 AM
0
0
Thu, 13 May  01 AM
0
0
Thu, 13 May  02 AM
0
0
Thu, 13 May  03 AM
0
0
Thu, 13 May  04 AM
0
0
Thu, 13 May  05 AM
0
0
Thu, 13 May  06 AM
0
0
Thu, 13 May  07 AM
0
0
Thu, 13 May  08 AM
0
0
Thu, 13 May  09 AM
0
0
Thu, 13 May  10 AM
0
0
Thu, 13 May  11 AM
0
0
Thu, 13 May  12 PM
0
0
Thu, 13 May  01 PM
0
0
Thu, 13 May  02 PM
0
0
Thu, 13 May  03 PM
0
0
Thu, 13 May  04 PM
0
0
Thu, 13 May  05 PM
0
0
Thu, 13 May  06 PM
0
0
Thu, 13 May  07 PM
0
0
Thu, 13 May  08 PM
0
0
Thu, 13 May  09 PM
0
0
Thu, 13 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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