Air Quality Forecast Guidance for Okanogan, WA

Displayed below are NOAA-EPA Air Quality Forecast Guidance values for
latitude: 48.36 N, longitude: 119.58 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 09/18, 4Z)
51
50
*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, 17 Sep  07 AM
25
30
Wed, 17 Sep  08 AM
24
28
Wed, 17 Sep  09 AM
29
28
Wed, 17 Sep  10 AM
40
29
Wed, 17 Sep  11 AM
45
31
Wed, 17 Sep  12 PM
48
33
Wed, 17 Sep  01 PM
50
36
Wed, 17 Sep  02 PM
51
39
Wed, 17 Sep  03 PM
51
42
Wed, 17 Sep  04 PM
51
46
Wed, 17 Sep   05 PM
51
48
Wed, 17 Sep   06 PM
51
50
Wed, 17 Sep   07 PM
49
50
Wed, 17 Sep   08 PM
48
50
Wed, 17 Sep   09 PM
46
50
Wed, 17 Sep   10 PM
44
49
Wed, 17 Sep   11 PM
41
48
Thu, 18 Sep   12 AM
38
46
Thu, 18 Sep   01 AM
35
44
Thu, 18 Sep   02 AM
34
42
Thu, 18 Sep   03 AM
41
41
Thu, 18 Sep   04 AM
42
40
Thu, 18 Sep   05 AM
41
40
Thu, 18 Sep   06 AM
40
39
Thu, 18 Sep   07 AM
40
39
Thu, 18 Sep   08 AM
39
39
Thu, 18 Sep   09 AM
40
40
Thu, 18 Sep   10 AM
39
40
Thu, 18 Sep   11 AM
40
40
Thu, 18 Sep   12 PM
41
40
Thu, 18 Sep   01 PM
41
40
Thu, 18 Sep   02 PM
41
40
Thu, 18 Sep   03 PM
41
40
Thu, 18 Sep   04 PM
41
40
Thu, 18 Sep   05 PM
41
41
Thu, 18 Sep   06 PM
41
41
Thu, 18 Sep   07 PM
40
41
Thu, 18 Sep   08 PM
38
40
Thu, 18 Sep   09 PM
37
40
Thu, 18 Sep   10 PM
35
39
Thu, 18 Sep   11 PM
34
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, 17 Sep  06 AM
2
1
Wed, 17 Sep  07 AM
0
2
Wed, 17 Sep  08 AM
0
1
Wed, 17 Sep  09 AM
0
2
Wed, 17 Sep  10 AM
0
0
Wed, 17 Sep  11 AM
0
1
Wed, 17 Sep  12 PM
0
2
Wed, 17 Sep  01 PM
0
1
Wed, 17 Sep  02 PM
1
2
Wed, 17 Sep  03 PM
3
1
Wed, 17 Sep  04 PM
0
2
Wed, 17 Sep  05 PM
1
2
Wed, 17 Sep  06 PM
3
1
Wed, 17 Sep  07 PM
4
2
Wed, 17 Sep  08 PM
1
2
Wed, 17 Sep  09 PM
1
2
Wed, 17 Sep  10 PM
2
3
Wed, 17 Sep  11 PM
3
3
Thu, 18 Sep  12 AM
4
3
Thu, 18 Sep  01 AM
6
4
Thu, 18 Sep  02 AM
4
4
Thu, 18 Sep  03 AM
0
6
Thu, 18 Sep  04 AM
2
4
Thu, 18 Sep  05 AM
4
4
Thu, 18 Sep  06 AM
10
4
Thu, 18 Sep  07 AM
6
4
Thu, 18 Sep  08 AM
4
3
Thu, 18 Sep  09 AM
2
1
Thu, 18 Sep  10 AM
2
0
Thu, 18 Sep  11 AM
1
0
Thu, 18 Sep  12 PM
0
0
Thu, 18 Sep  01 PM
0
0
Thu, 18 Sep  02 PM
2
0
Thu, 18 Sep  03 PM
1
1
Thu, 18 Sep  04 PM
0
0
Thu, 18 Sep  05 PM
0
0
Thu, 18 Sep  06 PM
0
0
Thu, 18 Sep  07 PM
0
0
Thu, 18 Sep  08 PM
1
0
Thu, 18 Sep  09 PM
0
0
Thu, 18 Sep  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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