Air Quality Forecast Guidance for South Lake Tahoe, CA

Displayed below are NOAA-EPA Air Quality Forecast Guidance values for
latitude: 38.92 N, longitude: 119.98 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 07/31, 4Z)
52
50
*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, 30 Jul  11 PM
39
45
Sat, 31 Jul  12 AM
42
44
Sat, 31 Jul  01 AM
43
43
Sat, 31 Jul  02 AM
44
42
Sat, 31 Jul  03 AM
43
41
Sat, 31 Jul  04 AM
42
41
Sat, 31 Jul  05 AM
42
42
Sat, 31 Jul  06 AM
42
42
Sat, 31 Jul  07 AM
40
42
Sat, 31 Jul  08 AM
33
41
Sat, 31 Jul  09 AM
43
41
Sat, 31 Jul  10 AM
48
42
Sat, 31 Jul  11 AM
47
42
Sat, 31 Jul  12 PM
48
43
Sat, 31 Jul  01 PM
50
44
Sat, 31 Jul  02 PM
50
45
Sat, 31 Jul  03 PM
49
46
Sat, 31 Jul  04 PM
48
48
Sat, 31 Jul   05 PM
48
49
Sat, 31 Jul   06 PM
46
48
Sat, 31 Jul   07 PM
45
48
Sat, 31 Jul   08 PM
44
48
Sat, 31 Jul   09 PM
41
46
Sat, 31 Jul   10 PM
36
45
Sat, 31 Jul   11 PM
33
43
Sun, 01 Aug   12 AM
33
41
Sun, 01 Aug   01 AM
34
39
Sun, 01 Aug   02 AM
34
37
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, 30 Jul  11 PM
0
73
Sat, 31 Jul  12 AM
0
56
Sat, 31 Jul  01 AM
0
52
Sat, 31 Jul  02 AM
0
44
Sat, 31 Jul  03 AM
0
40
Sat, 31 Jul  04 AM
0
28
Sat, 31 Jul  05 AM
0
22
Sat, 31 Jul  06 AM
0
22
Sat, 31 Jul  07 AM
0
38
Sat, 31 Jul  08 AM
0
78
Sat, 31 Jul  09 AM
0
48
Sat, 31 Jul  10 AM
0
40
Sat, 31 Jul  11 AM
0
22
Sat, 31 Jul  12 PM
0
26
Sat, 31 Jul  01 PM
0
32
Sat, 31 Jul  02 PM
0
23
Sat, 31 Jul  03 PM
0
12
Sat, 31 Jul  04 PM
0
9
Sat, 31 Jul  05 PM
0
7
Sat, 31 Jul  06 PM
0
7
Sat, 31 Jul  07 PM
0
7
Sat, 31 Jul  08 PM
0
6
Sat, 31 Jul  09 PM
0
5
Sat, 31 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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