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 07/04, 4Z)
44
39
*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
Fri, 03 Jul  04 PM
42
35
Fri, 03 Jul   05 PM
40
38
Fri, 03 Jul   06 PM
35
39
Fri, 03 Jul   07 PM
30
39
Fri, 03 Jul   08 PM
24
38
Fri, 03 Jul   09 PM
20
35
Fri, 03 Jul   10 PM
18
32
Fri, 03 Jul   11 PM
16
28
Sat, 04 Jul   12 AM
16
25
Sat, 04 Jul   01 AM
14
22
Sat, 04 Jul   02 AM
13
19
Sat, 04 Jul   03 AM
12
16
Sat, 04 Jul   04 AM
11
15
Sat, 04 Jul   05 AM
10
14
Sat, 04 Jul   06 AM
9
13
Sat, 04 Jul   07 AM
9
12
Sat, 04 Jul   08 AM
10
11
Sat, 04 Jul   09 AM
13
11
Sat, 04 Jul   10 AM
16
11
Sat, 04 Jul   11 AM
23
13
Sat, 04 Jul   12 PM
30
15
Sat, 04 Jul   01 PM
37
18
Sat, 04 Jul   02 PM
43
23
Sat, 04 Jul   03 PM
47
27
Sat, 04 Jul   04 PM
49
32
Sat, 04 Jul   05 PM
48
37
Sat, 04 Jul   06 PM
46
40
Sat, 04 Jul   07 PM
45
43
Sat, 04 Jul   08 PM
41
44
Sat, 04 Jul   09 PM
34
44
Sat, 04 Jul   10 PM
28
42
Sat, 04 Jul   11 PM
24
40
Sun, 05 Jul   12 AM
21
36
Sun, 05 Jul   01 AM
20
32
Sun, 05 Jul   02 AM
20
29
Sun, 05 Jul   03 AM
19
26
Sun, 05 Jul   04 AM
18
23
Sun, 05 Jul   05 AM
17
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
Fri, 03 Jul  04 PM
0
0
Fri, 03 Jul  05 PM
1
0
Fri, 03 Jul  06 PM
0
0
Fri, 03 Jul  07 PM
0
0
Fri, 03 Jul  08 PM
0
0
Fri, 03 Jul  09 PM
0
0
Fri, 03 Jul  10 PM
0
0
Fri, 03 Jul  11 PM
0
0
Sat, 04 Jul  12 AM
0
0
Sat, 04 Jul  01 AM
0
0
Sat, 04 Jul  02 AM
0
0
Sat, 04 Jul  03 AM
0
0
Sat, 04 Jul  04 AM
0
0
Sat, 04 Jul  05 AM
0
0
Sat, 04 Jul  06 AM
0
0
Sat, 04 Jul  07 AM
0
0
Sat, 04 Jul  08 AM
0
0
Sat, 04 Jul  09 AM
0
0
Sat, 04 Jul  10 AM
0
0
Sat, 04 Jul  11 AM
0
0
Sat, 04 Jul  12 PM
0
0
Sat, 04 Jul  01 PM
0
0
Sat, 04 Jul  02 PM
0
0
Sat, 04 Jul  03 PM
0
0
Sat, 04 Jul  04 PM
0
0
Sat, 04 Jul  05 PM
0
0
Sat, 04 Jul  06 PM
0
0
Sat, 04 Jul  07 PM
0
0
Sat, 04 Jul  08 PM
0
0
Sat, 04 Jul  09 PM
0
0
Sat, 04 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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