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 07/27, 4Z)
54
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
Wed, 26 Jul  06 PM
49
49
Wed, 26 Jul  07 PM
52
50
Wed, 26 Jul  08 PM
54
50
Wed, 26 Jul  09 PM
51
50
Wed, 26 Jul  10 PM
46
49
Wed, 26 Jul  11 PM
41
48
Thu, 27 Jul  12 AM
37
47
Thu, 27 Jul  01 AM
36
46
Thu, 27 Jul  02 AM
35
44
Thu, 27 Jul  03 AM
34
42
Thu, 27 Jul  04 AM
32
39
Thu, 27 Jul  05 AM
30
37
Thu, 27 Jul  06 AM
28
34
Thu, 27 Jul  07 AM
26
32
Thu, 27 Jul  08 AM
26
31
Thu, 27 Jul  09 AM
33
31
Thu, 27 Jul  10 AM
42
31
Thu, 27 Jul  11 AM
44
33
Thu, 27 Jul  12 PM
46
34
Thu, 27 Jul  01 PM
47
36
Thu, 27 Jul  02 PM
48
39
Thu, 27 Jul  03 PM
50
42
Thu, 27 Jul  04 PM
53
45
Thu, 27 Jul   05 PM
58
49
Thu, 27 Jul   06 PM
64
51
Thu, 27 Jul   07 PM
69
54
Thu, 27 Jul   08 PM
68
57
Thu, 27 Jul   09 PM
60
59
Thu, 27 Jul   10 PM
52
59
Thu, 27 Jul   11 PM
46
59
Fri, 28 Jul   12 AM
42
57
Fri, 28 Jul   01 AM
42
55
Fri, 28 Jul   02 AM
42
52
Fri, 28 Jul   03 AM
42
49
Fri, 28 Jul   04 AM
42
46
Fri, 28 Jul   05 AM
41
44
Smoke
Ending Time
(Local Time)
1 Hour Surface Smoke (µg/m³)
06Z Model Run
1 Hour Column-Integrated
Smoke (µg/m³)

06Z Model Run
Wed, 26 Jul  06 PM
0
0
Wed, 26 Jul  07 PM
0
0
Wed, 26 Jul  08 PM
0
0
Wed, 26 Jul  09 PM
0
0
Wed, 26 Jul  10 PM
0
0
Wed, 26 Jul  11 PM
0
0
Thu, 27 Jul  12 AM
0
0
Thu, 27 Jul  01 AM
0
0
Thu, 27 Jul  02 AM
0
0
Thu, 27 Jul  03 AM
0
0
Thu, 27 Jul  04 AM
0
0
Thu, 27 Jul  05 AM
0
0
Thu, 27 Jul  06 AM
0
0
Thu, 27 Jul  07 AM
0
0
Thu, 27 Jul  08 AM
0
0
Thu, 27 Jul  09 AM
0
0
Thu, 27 Jul  10 AM
0
0
Thu, 27 Jul  11 AM
0
0
Thu, 27 Jul  12 PM
0
0
Thu, 27 Jul  01 PM
0
0
Thu, 27 Jul  02 PM
0
0
Thu, 27 Jul  03 PM
0
0
Thu, 27 Jul  04 PM
0
0
Thu, 27 Jul  05 PM
0
0
Thu, 27 Jul  06 PM
0
0
Thu, 27 Jul  07 PM
0
0
Thu, 27 Jul  08 PM
0
0
Thu, 27 Jul  09 PM
0
0
Thu, 27 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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