Air Quality Forecast Guidance for South Lake Tahoe, CA

Displayed below are NOAA-EPA Air Quality Forecast Guidance values for
latitude: 38.94 N, longitude: 119.97 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 09/26, 4Z)
49
47
*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)
6Z Model Run
8 Hour Average Ozone
Concentration (PPB)
6Z Model Run
Mon, 25 Sep  07 AM
29
31
Mon, 25 Sep  08 AM
29
30
Mon, 25 Sep  09 AM
34
30
Mon, 25 Sep  10 AM
40
31
Mon, 25 Sep  11 AM
42
33
Mon, 25 Sep  12 PM
44
35
Mon, 25 Sep  01 PM
48
37
Mon, 25 Sep  02 PM
49
39
Mon, 25 Sep  03 PM
49
42
Mon, 25 Sep  04 PM
48
44
Mon, 25 Sep   05 PM
47
46
Mon, 25 Sep   06 PM
45
47
Mon, 25 Sep   07 PM
43
47
Mon, 25 Sep   08 PM
40
46
Mon, 25 Sep   09 PM
34
44
Mon, 25 Sep   10 PM
33
42
Mon, 25 Sep   11 PM
34
40
Tue, 26 Sep   12 AM
36
39
Tue, 26 Sep   01 AM
35
37
Tue, 26 Sep   02 AM
35
36
Tue, 26 Sep   03 AM
35
35
Tue, 26 Sep   04 AM
34
35
Tue, 26 Sep   05 AM
32
34
Tue, 26 Sep   06 AM
30
34
Tue, 26 Sep   07 AM
27
33
Tue, 26 Sep   08 AM
27
32
Tue, 26 Sep   09 AM
30
31
Tue, 26 Sep   10 AM
37
32
Tue, 26 Sep   11 AM
42
32
Tue, 26 Sep   12 PM
44
34
Tue, 26 Sep   01 PM
46
35
Tue, 26 Sep   02 PM
46
37
Tue, 26 Sep   03 PM
46
40
Tue, 26 Sep   04 PM
45
42
Tue, 26 Sep   05 PM
45
44
Tue, 26 Sep   06 PM
43
44
Tue, 26 Sep   07 PM
40
44
Tue, 26 Sep   08 PM
37
43
Tue, 26 Sep   09 PM
32
42
Tue, 26 Sep   10 PM
30
40
Tue, 26 Sep   11 PM
29
38
Wed, 27 Sep   12 AM
28
36
Wed, 27 Sep   01 AM
26
33
Wed, 27 Sep   02 AM
27
31
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, 25 Sep  06 AM
0
0
Mon, 25 Sep  07 AM
0
0
Mon, 25 Sep  08 AM
0
0
Mon, 25 Sep  09 AM
0
0
Mon, 25 Sep  10 AM
0
0
Mon, 25 Sep  11 AM
0
0
Mon, 25 Sep  12 PM
0
0
Mon, 25 Sep  01 PM
0
0
Mon, 25 Sep  02 PM
0
0
Mon, 25 Sep  03 PM
0
0
Mon, 25 Sep  04 PM
0
0
Mon, 25 Sep  05 PM
0
0
Mon, 25 Sep  06 PM
0
0
Mon, 25 Sep  07 PM
0
0
Mon, 25 Sep  08 PM
0
0
Mon, 25 Sep  09 PM
0
0
Mon, 25 Sep  10 PM
0
0
Mon, 25 Sep  11 PM
0
0
Tue, 26 Sep  12 AM
0
0
Tue, 26 Sep  01 AM
0
0
Tue, 26 Sep  02 AM
0
0
Tue, 26 Sep  03 AM
0
0
Tue, 26 Sep  04 AM
0
0
Tue, 26 Sep  05 AM
0
0
Tue, 26 Sep  06 AM
0
0
Tue, 26 Sep  07 AM
0
0
Tue, 26 Sep  08 AM
0
0
Tue, 26 Sep  09 AM
0
0
Tue, 26 Sep  10 AM
0
0
Tue, 26 Sep  11 AM
0
0
Tue, 26 Sep  12 PM
0
0
Tue, 26 Sep  01 PM
0
0
Tue, 26 Sep  02 PM
0
0
Tue, 26 Sep  03 PM
0
0
Tue, 26 Sep  04 PM
0
0
Tue, 26 Sep  05 PM
0
0
Tue, 26 Sep  06 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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