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Air Quality Forecast Guidance for Placerville, CA

Displayed below are NOAA-EPA Air Quality Forecast Guidance values for
latitude: 38.73 N, longitude: 120.80 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 10/03, 4Z)
63
59
*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
Thu, 02 Oct  07 AM
39
44
Thu, 02 Oct  08 AM
38
42
Thu, 02 Oct  09 AM
37
41
Thu, 02 Oct  10 AM
41
41
Thu, 02 Oct  11 AM
47
41
Thu, 02 Oct  12 PM
50
42
Thu, 02 Oct  01 PM
53
43
Thu, 02 Oct  02 PM
55
45
Thu, 02 Oct  03 PM
57
47
Thu, 02 Oct  04 PM
59
50
Thu, 02 Oct   05 PM
61
53
Thu, 02 Oct   06 PM
63
56
Thu, 02 Oct   07 PM
62
58
Thu, 02 Oct   08 PM
59
58
Thu, 02 Oct   09 PM
55
59
Thu, 02 Oct   10 PM
50
58
Thu, 02 Oct   11 PM
44
57
Fri, 03 Oct   12 AM
41
54
Fri, 03 Oct   01 AM
41
52
Fri, 03 Oct   02 AM
43
49
Fri, 03 Oct   03 AM
44
47
Fri, 03 Oct   04 AM
43
45
Fri, 03 Oct   05 AM
42
44
Fri, 03 Oct   06 AM
41
42
Fri, 03 Oct   07 AM
39
42
Fri, 03 Oct   08 AM
37
41
Fri, 03 Oct   09 AM
36
41
Fri, 03 Oct   10 AM
39
40
Fri, 03 Oct   11 AM
46
40
Fri, 03 Oct   12 PM
51
42
Fri, 03 Oct   01 PM
55
43
Fri, 03 Oct   02 PM
59
45
Fri, 03 Oct   03 PM
62
48
Fri, 03 Oct   04 PM
65
52
Fri, 03 Oct   05 PM
69
56
Fri, 03 Oct   06 PM
72
60
Fri, 03 Oct   07 PM
71
63
Fri, 03 Oct   08 PM
66
65
Fri, 03 Oct   09 PM
61
66
Fri, 03 Oct   10 PM
55
65
Fri, 03 Oct   11 PM
46
63
Smoke
Ending Time
(Local Time)
1 Hour Surface Smoke (µg/m³)
06Z Model Run
1 Hour Column-Integrated
Smoke (µg/m³)

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