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 07/21, 4Z)
24
22
*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
Thu, 20 Jul  10 PM
18
21
Thu, 20 Jul  11 PM
16
20
Fri, 21 Jul  12 AM
15
19
Fri, 21 Jul  01 AM
13
18
Fri, 21 Jul  02 AM
12
17
Fri, 21 Jul  03 AM
10
15
Fri, 21 Jul  04 AM
8
14
Fri, 21 Jul  05 AM
7
12
Fri, 21 Jul  06 AM
6
11
Fri, 21 Jul  07 AM
6
10
Fri, 21 Jul  08 AM
7
9
Fri, 21 Jul  09 AM
9
8
Fri, 21 Jul  10 AM
13
8
Fri, 21 Jul  11 AM
19
9
Fri, 21 Jul  12 PM
23
11
Fri, 21 Jul  01 PM
25
13
Fri, 21 Jul  02 PM
26
16
Fri, 21 Jul  03 PM
28
19
Fri, 21 Jul  04 PM
28
21
Fri, 21 Jul   05 PM
28
24
Fri, 21 Jul   06 PM
26
25
Fri, 21 Jul   07 PM
24
26
Fri, 21 Jul   08 PM
21
26
Fri, 21 Jul   09 PM
18
25
Fri, 21 Jul   10 PM
16
24
Fri, 21 Jul   11 PM
14
22
Sat, 22 Jul   12 AM
13
20
Sat, 22 Jul   01 AM
11
18
Sat, 22 Jul   02 AM
10
16
Sat, 22 Jul   03 AM
9
14
Sat, 22 Jul   04 AM
8
13
Sat, 22 Jul   05 AM
6
11
Smoke
Ending Time
(Local Time)
1 Hour Surface Smoke (µg/m³)
06Z Model Run
1 Hour Column-Integrated
Smoke (µg/m³)

06Z Model Run
Thu, 20 Jul  10 PM
0
0
Thu, 20 Jul  11 PM
0
0
Fri, 21 Jul  12 AM
0
0
Fri, 21 Jul  01 AM
0
0
Fri, 21 Jul  02 AM
0
0
Fri, 21 Jul  03 AM
0
0
Fri, 21 Jul  04 AM
0
0
Fri, 21 Jul  05 AM
0
0
Fri, 21 Jul  06 AM
0
0
Fri, 21 Jul  07 AM
0
0
Fri, 21 Jul  08 AM
0
0
Fri, 21 Jul  09 AM
0
0
Fri, 21 Jul  10 AM
0
0
Fri, 21 Jul  11 AM
0
0
Fri, 21 Jul  12 PM
0
0
Fri, 21 Jul  01 PM
0
0
Fri, 21 Jul  02 PM
0
0
Fri, 21 Jul  03 PM
0
0
Fri, 21 Jul  04 PM
0
0
Fri, 21 Jul  05 PM
0
0
Fri, 21 Jul  06 PM
0
0
Fri, 21 Jul  07 PM
0
0
Fri, 21 Jul  08 PM
0
0
Fri, 21 Jul  09 PM
0
0
Fri, 21 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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