Air Quality Forecast Guidance for Ridgefield, WA

Displayed below are NOAA-EPA Air Quality Forecast Guidance values for
latitude: 45.82 N, longitude: 122.74 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 12/21, 4Z)
36
35
*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
Sat, 20 Dec  07 AM
35
34
Sat, 20 Dec  08 AM
35
35
Sat, 20 Dec  09 AM
34
35
Sat, 20 Dec  10 AM
33
35
Sat, 20 Dec  11 AM
31
34
Sat, 20 Dec  12 PM
30
34
Sat, 20 Dec  01 PM
29
33
Sat, 20 Dec  02 PM
29
32
Sat, 20 Dec  03 PM
31
31
Sat, 20 Dec   04 PM
31
31
Sat, 20 Dec   05 PM
30
30
Sat, 20 Dec   06 PM
31
30
Sat, 20 Dec   07 PM
33
30
Sat, 20 Dec   08 PM
35
31
Sat, 20 Dec   09 PM
35
32
Sat, 20 Dec   10 PM
35
33
Sat, 20 Dec   11 PM
35
33
Sun, 21 Dec   12 AM
35
34
Sun, 21 Dec   01 AM
34
34
Sun, 21 Dec   02 AM
34
34
Sun, 21 Dec   03 AM
35
35
Sun, 21 Dec   04 AM
37
35
Sun, 21 Dec   05 AM
39
36
Sun, 21 Dec   06 AM
39
36
Sun, 21 Dec   07 AM
38
36
Sun, 21 Dec   08 AM
38
37
Sun, 21 Dec   09 AM
39
37
Sun, 21 Dec   10 AM
38
38
Sun, 21 Dec   11 AM
38
38
Sun, 21 Dec   12 PM
38
38
Sun, 21 Dec   01 PM
37
38
Sun, 21 Dec   02 PM
37
38
Sun, 21 Dec   03 PM
37
38
Sun, 21 Dec   04 PM
35
37
Sun, 21 Dec   05 PM
32
36
Sun, 21 Dec   06 PM
26
35
Sun, 21 Dec   07 PM
19
33
Sun, 21 Dec   08 PM
10
29
Sun, 21 Dec   09 PM
5
25
Sun, 21 Dec   10 PM
3
21
Smoke
Ending Time
(Local Time)
1 Hour Surface Smoke (µg/m³)
06Z Model Run
1 Hour Column-Integrated
Smoke (µg/m³)

06Z Model Run
Sat, 20 Dec  07 AM
0
0
Sat, 20 Dec  08 AM
0
0
Sat, 20 Dec  09 AM
0
0
Sat, 20 Dec  10 AM
0
0
Sat, 20 Dec  11 AM
0
0
Sat, 20 Dec  12 PM
0
0
Sat, 20 Dec  01 PM
0
0
Sat, 20 Dec  02 PM
0
0
Sat, 20 Dec  03 PM
0
0
Sat, 20 Dec  04 PM
0
0
Sat, 20 Dec  05 PM
0
0
Sat, 20 Dec  06 PM
0
0
Sat, 20 Dec  07 PM
0
0
Sat, 20 Dec  08 PM
0
0
Sat, 20 Dec  09 PM
0
0
Sat, 20 Dec  10 PM
0
0
Sat, 20 Dec  11 PM
0
0
Sun, 21 Dec  12 AM
0
0
Sun, 21 Dec  01 AM
0
0
Sun, 21 Dec  02 AM
0
0
Sun, 21 Dec  03 AM
0
0
Sun, 21 Dec  04 AM
0
0
Sun, 21 Dec  05 AM
0
0
Sun, 21 Dec  06 AM
0
0
Sun, 21 Dec  07 AM
0
0
Sun, 21 Dec  08 AM
0
0
Sun, 21 Dec  09 AM
0
0
Sun, 21 Dec  10 AM
0
0
Sun, 21 Dec  11 AM
0
0
Sun, 21 Dec  12 PM
0
0
Sun, 21 Dec  01 PM
0
0
Sun, 21 Dec  02 PM
0
0
Sun, 21 Dec  03 PM
0
0
Sun, 21 Dec  04 PM
0
0
Sun, 21 Dec  05 PM
0
0
Sun, 21 Dec  06 PM
0
0
Sun, 21 Dec  07 PM
0
0
Sun, 21 Dec  08 PM
0
0
Sun, 21 Dec  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