Air Quality Forecast Guidance for Sellwood, OR

Displayed below are NOAA-EPA Air Quality Forecast Guidance values for
latitude: 45.45 N, longitude: 122.67 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 08/01, 4Z)
51
43
*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, 31 Jul  09 AM
17
14
Sat, 31 Jul  10 AM
14
14
Sat, 31 Jul  11 AM
15
14
Sat, 31 Jul  12 PM
24
15
Sat, 31 Jul  01 PM
32
18
Sat, 31 Jul  02 PM
38
21
Sat, 31 Jul  03 PM
43
25
Sat, 31 Jul  04 PM
46
29
Sat, 31 Jul   05 PM
50
33
Sat, 31 Jul   06 PM
51
37
Sat, 31 Jul   07 PM
46
41
Sat, 31 Jul   08 PM
39
43
Sat, 31 Jul   09 PM
34
43
Sat, 31 Jul   10 PM
26
42
Sat, 31 Jul   11 PM
22
39
Sun, 01 Aug   12 AM
19
36
Sun, 01 Aug   01 AM
17
32
Sun, 01 Aug   02 AM
16
27
Sun, 01 Aug   03 AM
13
23
Sun, 01 Aug   04 AM
12
20
Sun, 01 Aug   05 AM
11
17
Sun, 01 Aug   06 AM
10
15
Sun, 01 Aug   07 AM
8
13
Sun, 01 Aug   08 AM
11
12
Sun, 01 Aug   09 AM
15
12
Sun, 01 Aug   10 AM
20
12
Sun, 01 Aug   11 AM
26
14
Sun, 01 Aug   12 PM
37
17
Sun, 01 Aug   01 PM
49
22
Sun, 01 Aug   02 PM
57
28
Sun, 01 Aug   03 PM
59
34
Sun, 01 Aug   04 PM
56
40
Sun, 01 Aug   05 PM
53
45
Sun, 01 Aug   06 PM
51
49
Sun, 01 Aug   07 PM
42
51
Sun, 01 Aug   08 PM
29
50
Sun, 01 Aug   09 PM
23
46
Sun, 01 Aug   10 PM
20
42
Sun, 01 Aug   11 PM
20
37
Mon, 02 Aug   12 AM
18
32
Mon, 02 Aug   01 AM
16
28
Mon, 02 Aug   02 AM
15
23
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, 31 Jul  09 AM
0
20
Sat, 31 Jul  10 AM
0
19
Sat, 31 Jul  11 AM
0
20
Sat, 31 Jul  12 PM
0
24
Sat, 31 Jul  01 PM
0
25
Sat, 31 Jul  02 PM
0
26
Sat, 31 Jul  03 PM
0
26
Sat, 31 Jul  04 PM
0
38
Sat, 31 Jul  05 PM
0
76
Sat, 31 Jul  06 PM
0
86
Sat, 31 Jul  07 PM
0
94
Sat, 31 Jul  08 PM
0
67
Sat, 31 Jul  09 PM
0
73
Sat, 31 Jul  10 PM
0
64
Sat, 31 Jul  11 PM
0
64
Sun, 01 Aug  12 AM
31
64
Sun, 01 Aug  01 AM
15
61
Sun, 01 Aug  02 AM
4
50
Sun, 01 Aug  03 AM
0
48
Sun, 01 Aug  04 AM
0
71
Sun, 01 Aug  05 AM
3
63
Sun, 01 Aug  06 AM
0
64
Sun, 01 Aug  07 AM
0
82
Sun, 01 Aug  08 AM
3
91
Sun, 01 Aug  09 AM
24
87
Sun, 01 Aug  10 AM
92
67
Sun, 01 Aug  11 AM
8
51
Sun, 01 Aug  12 PM
0
40
Sun, 01 Aug  01 PM
2
37
Sun, 01 Aug  02 PM
2
25
Sun, 01 Aug  03 PM
28
22
Sun, 01 Aug  04 PM
66
30
Sun, 01 Aug  05 PM
0
23
Sun, 01 Aug  06 PM
0
12
Sun, 01 Aug  07 PM
0
22
Sun, 01 Aug  08 PM
149
29
Sun, 01 Aug  09 PM
318
34
Sun, 01 Aug  10 PM
5
30

National Weather Service Air Quality Program Page
Environmental Protection Agency AirNow Forecast Page
Graphical Air Quality Forecast Guidance
FAQ


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