Air Quality Forecast Guidance for Lake Arrowhead, CA

Displayed below are NOAA-EPA Air Quality Forecast Guidance values for
latitude: 34.24 N, longitude: 117.18 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 07/14, 4Z)
89
78
*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, 13 Jul  02 PM
82
60
Mon, 13 Jul  03 PM
85
66
Mon, 13 Jul  04 PM
89
71
Mon, 13 Jul   05 PM
85
75
Mon, 13 Jul   06 PM
74
78
Mon, 13 Jul   07 PM
64
78
Mon, 13 Jul   08 PM
53
76
Mon, 13 Jul   09 PM
50
73
Mon, 13 Jul   10 PM
49
69
Mon, 13 Jul   11 PM
48
64
Tue, 14 Jul   12 AM
40
58
Tue, 14 Jul   01 AM
44
53
Tue, 14 Jul   02 AM
43
49
Tue, 14 Jul   03 AM
39
46
Tue, 14 Jul   04 AM
37
44
Tue, 14 Jul   05 AM
39
42
Tue, 14 Jul   06 AM
40
41
Tue, 14 Jul   07 AM
42
40
Tue, 14 Jul   08 AM
45
41
Tue, 14 Jul   09 AM
46
41
Tue, 14 Jul   10 AM
48
42
Tue, 14 Jul   11 AM
54
44
Tue, 14 Jul   12 PM
58
46
Tue, 14 Jul   01 PM
62
49
Tue, 14 Jul   02 PM
68
53
Tue, 14 Jul   03 PM
70
56
Tue, 14 Jul   04 PM
76
60
Tue, 14 Jul   05 PM
81
65
Tue, 14 Jul   06 PM
75
68
Tue, 14 Jul   07 PM
65
70
Tue, 14 Jul   08 PM
51
69
Tue, 14 Jul   09 PM
48
67
Tue, 14 Jul   10 PM
47
64
Tue, 14 Jul   11 PM
48
61
Wed, 15 Jul   12 AM
39
57
Wed, 15 Jul   01 AM
43
52
Wed, 15 Jul   02 AM
41
48
Wed, 15 Jul   03 AM
40
45
Wed, 15 Jul   04 AM
38
43
Wed, 15 Jul   05 AM
38
42
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, 13 Jul  02 PM
0
0
Mon, 13 Jul  03 PM
0
0
Mon, 13 Jul  04 PM
0
0
Mon, 13 Jul  05 PM
0
0
Mon, 13 Jul  06 PM
0
0
Mon, 13 Jul  07 PM
0
0
Mon, 13 Jul  08 PM
0
0
Mon, 13 Jul  09 PM
0
0
Mon, 13 Jul  10 PM
0
0
Mon, 13 Jul  11 PM
0
0
Tue, 14 Jul  12 AM
0
0
Tue, 14 Jul  01 AM
0
0
Tue, 14 Jul  02 AM
0
0
Tue, 14 Jul  03 AM
0
0
Tue, 14 Jul  04 AM
0
0
Tue, 14 Jul  05 AM
0
0
Tue, 14 Jul  06 AM
0
0
Tue, 14 Jul  07 AM
0
0
Tue, 14 Jul  08 AM
0
0
Tue, 14 Jul  09 AM
0
0
Tue, 14 Jul  10 AM
0
0
Tue, 14 Jul  11 AM
0
0
Tue, 14 Jul  12 PM
0
0
Tue, 14 Jul  01 PM
0
0
Tue, 14 Jul  02 PM
0
0
Tue, 14 Jul  03 PM
0
0
Tue, 14 Jul  04 PM
0
0
Tue, 14 Jul  05 PM
0
0
Tue, 14 Jul  06 PM
0
0
Tue, 14 Jul  07 PM
0
0
Tue, 14 Jul  08 PM
0
0
Tue, 14 Jul  09 PM
0
0
Tue, 14 Jul  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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