Air Quality Forecast Guidance for Julian, CA

Displayed below are NOAA-EPA Air Quality Forecast Guidance values for
latitude: 33.21 N, longitude: 116.53 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 02/07, 4Z)
51
49
*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
Mon, 06 Feb  03 PM
51
47
Mon, 06 Feb   04 PM
51
48
Mon, 06 Feb   05 PM
51
49
Mon, 06 Feb   06 PM
47
49
Mon, 06 Feb   07 PM
41
49
Mon, 06 Feb   08 PM
38
47
Mon, 06 Feb   09 PM
37
46
Mon, 06 Feb   10 PM
37
44
Mon, 06 Feb   11 PM
37
42
Tue, 07 Feb   12 AM
37
41
Tue, 07 Feb   01 AM
37
39
Tue, 07 Feb   02 AM
36
38
Tue, 07 Feb   03 AM
35
37
Tue, 07 Feb   04 AM
38
37
Tue, 07 Feb   05 AM
39
37
Tue, 07 Feb   06 AM
38
37
Tue, 07 Feb   07 AM
38
37
Tue, 07 Feb   08 AM
37
37
Tue, 07 Feb   09 AM
38
37
Tue, 07 Feb   10 AM
39
38
Tue, 07 Feb   11 AM
40
38
Tue, 07 Feb   12 PM
41
39
Tue, 07 Feb   01 PM
42
39
Tue, 07 Feb   02 PM
43
40
Tue, 07 Feb   03 PM
44
41
Tue, 07 Feb   04 PM
44
41
Tue, 07 Feb   05 PM
45
42
Tue, 07 Feb   06 PM
42
43
Tue, 07 Feb   07 PM
38
42
Tue, 07 Feb   08 PM
38
42
Tue, 07 Feb   09 PM
38
41
Tue, 07 Feb   10 PM
38
41
Tue, 07 Feb   11 PM
38
40
Wed, 08 Feb   12 AM
38
39
Wed, 08 Feb   01 AM
39
38
Smoke
Ending Time
(Local Time)
1 Hour Surface Smoke (µg/m³)
06Z Model Run
1 Hour Column-Integrated
Smoke (µg/m³)
06Z Model Run
Mon, 06 Feb  03 PM
0
0
Mon, 06 Feb  04 PM
0
0
Mon, 06 Feb  05 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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