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Air Quality Forecast Guidance for Salem, OR

Displayed below are NOAA-EPA Air Quality Forecast Guidance values for
latitude: 44.94 N, longitude: 123.03 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 07/05, 4Z)
44
41
*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, 04 Jul  08 AM
14
14
Sat, 04 Jul  09 AM
18
15
Sat, 04 Jul  10 AM
20
15
Sat, 04 Jul  11 AM
25
17
Sat, 04 Jul  12 PM
31
19
Sat, 04 Jul  01 PM
37
21
Sat, 04 Jul  02 PM
40
25
Sat, 04 Jul  03 PM
42
28
Sat, 04 Jul  04 PM
43
32
Sat, 04 Jul   05 PM
44
35
Sat, 04 Jul   06 PM
44
38
Sat, 04 Jul   07 PM
43
41
Sat, 04 Jul   08 PM
36
41
Sat, 04 Jul   09 PM
26
40
Sat, 04 Jul   10 PM
18
37
Sat, 04 Jul   11 PM
14
34
Sun, 05 Jul   12 AM
12
30
Sun, 05 Jul   01 AM
12
26
Sun, 05 Jul   02 AM
13
22
Sun, 05 Jul   03 AM
14
18
Sun, 05 Jul   04 AM
14
15
Sun, 05 Jul   05 AM
13
14
Sun, 05 Jul   06 AM
11
13
Sun, 05 Jul   07 AM
10
12
Sun, 05 Jul   08 AM
12
12
Sun, 05 Jul   09 AM
18
13
Sun, 05 Jul   10 AM
26
15
Sun, 05 Jul   11 AM
37
18
Sun, 05 Jul   12 PM
47
22
Sun, 05 Jul   01 PM
52
27
Sun, 05 Jul   02 PM
56
32
Sun, 05 Jul   03 PM
58
38
Sun, 05 Jul   04 PM
59
44
Sun, 05 Jul   05 PM
59
49
Sun, 05 Jul   06 PM
57
53
Sun, 05 Jul   07 PM
51
55
Sun, 05 Jul   08 PM
41
54
Sun, 05 Jul   09 PM
26
51
Sun, 05 Jul   10 PM
20
46
Sun, 05 Jul   11 PM
18
42
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, 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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