Skip Navigation Links weather.gov 
NOAA logo-Select to go to the NOAA homepage
National Oceanic and Atmospheric Administration's   
  Select to go to the NWS homepage
National Weather Service   
   

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 01/29, 4Z)
48
45
*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
Wed, 28 Jan  06 AM
40
40
Wed, 28 Jan  07 AM
42
40
Wed, 28 Jan  08 AM
43
40
Wed, 28 Jan  09 AM
42
41
Wed, 28 Jan  10 AM
43
41
Wed, 28 Jan  11 AM
45
42
Wed, 28 Jan  12 PM
48
43
Wed, 28 Jan  01 PM
48
44
Wed, 28 Jan  02 PM
47
45
Wed, 28 Jan  03 PM
46
45
Wed, 28 Jan   04 PM
43
45
Wed, 28 Jan   05 PM
37
45
Wed, 28 Jan   06 PM
29
43
Wed, 28 Jan   07 PM
26
41
Wed, 28 Jan   08 PM
29
38
Wed, 28 Jan   09 PM
34
36
Wed, 28 Jan   10 PM
40
36
Wed, 28 Jan   11 PM
45
36
Thu, 29 Jan   12 AM
46
36
Thu, 29 Jan   01 AM
46
37
Thu, 29 Jan   02 AM
45
39
Thu, 29 Jan   03 AM
45
41
Thu, 29 Jan   04 AM
44
43
Thu, 29 Jan   05 AM
43
44
Thu, 29 Jan   06 AM
42
44
Thu, 29 Jan   07 AM
40
44
Thu, 29 Jan   08 AM
39
43
Thu, 29 Jan   09 AM
38
42
Thu, 29 Jan   10 AM
38
41
Thu, 29 Jan   11 AM
42
41
Thu, 29 Jan   12 PM
47
41
Thu, 29 Jan   01 PM
48
42
Thu, 29 Jan   02 PM
48
43
Thu, 29 Jan   03 PM
47
44
Thu, 29 Jan   04 PM
46
44
Thu, 29 Jan   05 PM
41
45
Thu, 29 Jan   06 PM
34
44
Thu, 29 Jan   07 PM
32
43
Thu, 29 Jan   08 PM
32
41
Thu, 29 Jan   09 PM
35
40
Thu, 29 Jan   10 PM
38
38
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, 28 Jan  06 AM
0
0
Wed, 28 Jan  07 AM
0
0
Wed, 28 Jan  08 AM
0
0
Wed, 28 Jan  09 AM
0
0
Wed, 28 Jan  10 AM
0
0
Wed, 28 Jan  11 AM
0
0
Wed, 28 Jan  12 PM
0
0
Wed, 28 Jan  01 PM
0
0
Wed, 28 Jan  02 PM
0
0
Wed, 28 Jan  03 PM
0
0
Wed, 28 Jan  04 PM
0
0
Wed, 28 Jan  05 PM
0
0
Wed, 28 Jan  06 PM
0
0
Wed, 28 Jan  07 PM
0
0
Wed, 28 Jan  08 PM
0
0
Wed, 28 Jan  09 PM
0
0
Wed, 28 Jan  10 PM
0
0
Wed, 28 Jan  11 PM
0
0
Thu, 29 Jan  12 AM
0
0
Thu, 29 Jan  01 AM
0
0
Thu, 29 Jan  02 AM
0
0
Thu, 29 Jan  03 AM
0
0
Thu, 29 Jan  04 AM
0
0
Thu, 29 Jan  05 AM
0
0
Thu, 29 Jan  06 AM
0
0
Thu, 29 Jan  07 AM
0
0
Thu, 29 Jan  08 AM
0
0
Thu, 29 Jan  09 AM
0
0
Thu, 29 Jan  10 AM
0
0
Thu, 29 Jan  11 AM
0
0
Thu, 29 Jan  12 PM
0
0
Thu, 29 Jan  01 PM
0
0
Thu, 29 Jan  02 PM
0
0
Thu, 29 Jan  03 PM
0
0
Thu, 29 Jan  04 PM
0
0
Thu, 29 Jan  05 PM
0
0
Thu, 29 Jan  06 PM
0
0
Thu, 29 Jan  07 PM
0
0
Thu, 29 Jan  08 PM
0
0
Thu, 29 Jan  09 PM
0
0

National Weather Service Air Quality Program Page
Environmental Protection Agency AirNow Forecast Page
Graphical Air Quality Forecast Guidance
FAQ


    US Dept of Commerce
    National Oceanic and Atmospheric Administration
    National Weather Service
    1325 East West Highway
    Silver Spring, MD 20910
    Page Author: NWS Internet Services Team
Disclaimer
Information Quality
Credits
Glossary
Privacy Policy
Freedom of Information Act (FOIA)
About Us
Career Opportunities