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 08/30, 4Z)
40
32
*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
Mon, 29 Aug  06 PM
40
29
Mon, 29 Aug  07 PM
37
31
Mon, 29 Aug  08 PM
27
32
Mon, 29 Aug  09 PM
21
32
Mon, 29 Aug  10 PM
18
31
Mon, 29 Aug  11 PM
17
29
Tue, 30 Aug  12 AM
16
27
Tue, 30 Aug  01 AM
15
24
Tue, 30 Aug  02 AM
14
21
Tue, 30 Aug  03 AM
14
18
Tue, 30 Aug  04 AM
12
16
Tue, 30 Aug  05 AM
12
15
Tue, 30 Aug  06 AM
12
14
Tue, 30 Aug  07 AM
11
13
Tue, 30 Aug  08 AM
10
12
Tue, 30 Aug  09 AM
11
12
Tue, 30 Aug  10 AM
12
12
Tue, 30 Aug  11 AM
13
12
Tue, 30 Aug  12 PM
16
12
Tue, 30 Aug  01 PM
21
13
Tue, 30 Aug  02 PM
26
15
Tue, 30 Aug  03 PM
30
17
Tue, 30 Aug  04 PM
32
20
Tue, 30 Aug   05 PM
31
23
Tue, 30 Aug   06 PM
30
25
Tue, 30 Aug   07 PM
29
27
Tue, 30 Aug   08 PM
26
28
Tue, 30 Aug   09 PM
21
28
Tue, 30 Aug   10 PM
17
27
Tue, 30 Aug   11 PM
14
25
Wed, 31 Aug   12 AM
10
22
Wed, 31 Aug   01 AM
7
19
Wed, 31 Aug   02 AM
5
16
Wed, 31 Aug   03 AM
4
13
Wed, 31 Aug   04 AM
4
10
Wed, 31 Aug   05 AM
4
8
Smoke
Ending Time
(Local Time)
1 Hour Surface Smoke (µg/m³)
06Z Model Run
1 Hour Column-Integrated
Smoke (µg/m³)

06Z Model Run
Mon, 29 Aug  06 PM
0
0
Mon, 29 Aug  07 PM
0
0
Mon, 29 Aug  08 PM
0
0
Mon, 29 Aug  09 PM
0
0
Mon, 29 Aug  10 PM
0
0
Mon, 29 Aug  11 PM
0
0
Tue, 30 Aug  12 AM
0
0
Tue, 30 Aug  01 AM
0
0
Tue, 30 Aug  02 AM
0
0
Tue, 30 Aug  03 AM
0
0
Tue, 30 Aug  04 AM
0
0
Tue, 30 Aug  05 AM
0
0
Tue, 30 Aug  06 AM
0
0
Tue, 30 Aug  07 AM
0
0
Tue, 30 Aug  08 AM
0
0
Tue, 30 Aug  09 AM
0
0
Tue, 30 Aug  10 AM
0
0
Tue, 30 Aug  11 AM
0
0
Tue, 30 Aug  12 PM
0
0
Tue, 30 Aug  01 PM
0
0
Tue, 30 Aug  02 PM
0
0
Tue, 30 Aug  03 PM
0
0
Tue, 30 Aug  04 PM
0
0
Tue, 30 Aug  05 PM
0
0
Tue, 30 Aug  06 PM
0
0
Tue, 30 Aug  07 PM
0
0
Tue, 30 Aug  08 PM
0
0
Tue, 30 Aug  09 PM
0
0
Tue, 30 Aug  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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