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 10/25, 4Z)
33
30
*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
Sat, 25 Oct  03 AM
23
24
Sat, 25 Oct  04 AM
22
23
Sat, 25 Oct  05 AM
22
23
Sat, 25 Oct  06 AM
22
23
Sat, 25 Oct  07 AM
20
22
Sat, 25 Oct  08 AM
18
22
Sat, 25 Oct  09 AM
21
22
Sat, 25 Oct  10 AM
26
22
Sat, 25 Oct  11 AM
31
23
Sat, 25 Oct  12 PM
34
24
Sat, 25 Oct  01 PM
35
26
Sat, 25 Oct  02 PM
39
28
Sat, 25 Oct  03 PM
39
30
Sat, 25 Oct  04 PM
38
33
Sat, 25 Oct   05 PM
38
35
Sat, 25 Oct   06 PM
40
37
Sat, 25 Oct   07 PM
40
38
Sat, 25 Oct   08 PM
41
39
Sat, 25 Oct   09 PM
41
39
Sat, 25 Oct   10 PM
40
39
Sat, 25 Oct   11 PM
38
39
Sun, 26 Oct   12 AM
37
39
Sun, 26 Oct   01 AM
37
39
Sun, 26 Oct   02 AM
38
39
Sun, 26 Oct   03 AM
38
39
Sun, 26 Oct   04 AM
39
39
Sun, 26 Oct   05 AM
38
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
Sat, 25 Oct  03 AM
0
0
Sat, 25 Oct  04 AM
0
0
Sat, 25 Oct  05 AM
0
0
Sat, 25 Oct  06 AM
0
0
Sat, 25 Oct  07 AM
0
0
Sat, 25 Oct  08 AM
0
0
Sat, 25 Oct  09 AM
0
0
Sat, 25 Oct  10 AM
0
0
Sat, 25 Oct  11 AM
0
0
Sat, 25 Oct  12 PM
0
0
Sat, 25 Oct  01 PM
0
0
Sat, 25 Oct  02 PM
0
0
Sat, 25 Oct  03 PM
0
0
Sat, 25 Oct  04 PM
0
0
Sat, 25 Oct  05 PM
0
0
Sat, 25 Oct  06 PM
0
0
Sat, 25 Oct  07 PM
0
0
Sat, 25 Oct  08 PM
0
0
Sat, 25 Oct  09 PM
0
0
Sat, 25 Oct  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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