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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 05/28, 4Z)
53
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, 27 May  03 PM
49
44
Wed, 27 May  04 PM
50
45
Wed, 27 May   05 PM
51
47
Wed, 27 May   06 PM
52
48
Wed, 27 May   07 PM
53
49
Wed, 27 May   08 PM
50
50
Wed, 27 May   09 PM
45
50
Wed, 27 May   10 PM
41
49
Wed, 27 May   11 PM
38
48
Thu, 28 May   12 AM
36
46
Thu, 28 May   01 AM
36
44
Thu, 28 May   02 AM
36
42
Thu, 28 May   03 AM
37
40
Thu, 28 May   04 AM
37
38
Thu, 28 May   05 AM
37
37
Thu, 28 May   06 AM
37
37
Thu, 28 May   07 AM
36
36
Thu, 28 May   08 AM
36
36
Thu, 28 May   09 AM
39
37
Thu, 28 May   10 AM
42
38
Thu, 28 May   11 AM
46
39
Thu, 28 May   12 PM
50
40
Thu, 28 May   01 PM
53
42
Thu, 28 May   02 PM
55
44
Thu, 28 May   03 PM
57
47
Thu, 28 May   04 PM
59
50
Thu, 28 May   05 PM
61
53
Thu, 28 May   06 PM
62
56
Thu, 28 May   07 PM
62
58
Thu, 28 May   08 PM
58
59
Thu, 28 May   09 PM
54
59
Thu, 28 May   10 PM
50
58
Thu, 28 May   11 PM
45
56
Fri, 29 May   12 AM
40
54
Fri, 29 May   01 AM
39
51
Fri, 29 May   02 AM
39
48
Fri, 29 May   03 AM
37
45
Fri, 29 May   04 AM
36
42
Fri, 29 May   05 AM
35
40
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, 27 May  03 PM
0
0
Wed, 27 May  04 PM
0
0
Wed, 27 May  05 PM
0
0
Wed, 27 May  06 PM
0
0
Wed, 27 May  07 PM
0
0
Wed, 27 May  08 PM
0
0
Wed, 27 May  09 PM
0
0
Wed, 27 May  10 PM
0
0
Wed, 27 May  11 PM
0
0
Thu, 28 May  12 AM
0
0
Thu, 28 May  01 AM
0
0
Thu, 28 May  02 AM
0
0
Thu, 28 May  03 AM
0
0
Thu, 28 May  04 AM
0
0
Thu, 28 May  05 AM
0
0
Thu, 28 May  06 AM
0
0
Thu, 28 May  07 AM
0
0
Thu, 28 May  08 AM
0
0
Thu, 28 May  09 AM
0
0
Thu, 28 May  10 AM
0
0
Thu, 28 May  11 AM
0
0
Thu, 28 May  12 PM
0
0
Thu, 28 May  01 PM
0
0
Thu, 28 May  02 PM
0
0
Thu, 28 May  03 PM
0
0
Thu, 28 May  04 PM
0
0
Thu, 28 May  05 PM
0
0
Thu, 28 May  06 PM
0
0
Thu, 28 May  07 PM
0
0
Thu, 28 May  08 PM
0
0
Thu, 28 May  09 PM
0
0
Thu, 28 May  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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