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 03/03, 4Z)
36
32
*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
Mon, 02 Mar  04 PM
35
29
Mon, 02 Mar  05 PM
31
31
Mon, 02 Mar  06 PM
23
32
Mon, 02 Mar  07 PM
18
30
Mon, 02 Mar  08 PM
16
28
Mon, 02 Mar  09 PM
15
26
Mon, 02 Mar  10 PM
15
24
Mon, 02 Mar  11 PM
17
21
Tue, 03 Mar  12 AM
19
19
Tue, 03 Mar  01 AM
20
18
Tue, 03 Mar  02 AM
20
18
Tue, 03 Mar  03 AM
20
18
Tue, 03 Mar  04 AM
18
18
Tue, 03 Mar  05 AM
14
18
Tue, 03 Mar  06 AM
7
17
Tue, 03 Mar  07 AM
5
15
Tue, 03 Mar  08 AM
11
14
Tue, 03 Mar  09 AM
23
15
Tue, 03 Mar  10 AM
32
16
Tue, 03 Mar  11 AM
34
18
Tue, 03 Mar  12 PM
35
20
Tue, 03 Mar  01 PM
36
23
Tue, 03 Mar  02 PM
37
27
Tue, 03 Mar  03 PM
37
31
Tue, 03 Mar   04 PM
36
34
Tue, 03 Mar   05 PM
32
35
Tue, 03 Mar   06 PM
25
34
Tue, 03 Mar   07 PM
18
32
Tue, 03 Mar   08 PM
15
30
Tue, 03 Mar   09 PM
12
27
Tue, 03 Mar   10 PM
11
24
Tue, 03 Mar   11 PM
10
20
Wed, 04 Mar   12 AM
12
17
Wed, 04 Mar   01 AM
13
15
Wed, 04 Mar   02 AM
13
13
Wed, 04 Mar   03 AM
13
12
Wed, 04 Mar   04 AM
12
12
Smoke
Ending Time
(Local Time)
1 Hour Surface Smoke (µg/m³)
06Z Model Run
1 Hour Column-Integrated
Smoke (µg/m³)

06Z Model Run
Mon, 02 Mar  04 PM
0
0
Mon, 02 Mar  05 PM
0
0
Mon, 02 Mar  06 PM
0
0
Mon, 02 Mar  07 PM
0
0
Mon, 02 Mar  08 PM
0
0
Mon, 02 Mar  09 PM
0
0
Mon, 02 Mar  10 PM
0
0
Mon, 02 Mar  11 PM
0
0
Tue, 03 Mar  12 AM
0
0
Tue, 03 Mar  01 AM
0
0
Tue, 03 Mar  02 AM
0
0
Tue, 03 Mar  03 AM
0
0
Tue, 03 Mar  04 AM
0
0
Tue, 03 Mar  05 AM
0
0
Tue, 03 Mar  06 AM
0
0
Tue, 03 Mar  07 AM
0
0
Tue, 03 Mar  08 AM
0
0
Tue, 03 Mar  09 AM
0
0
Tue, 03 Mar  10 AM
0
0
Tue, 03 Mar  11 AM
0
0
Tue, 03 Mar  12 PM
0
0
Tue, 03 Mar  01 PM
0
0
Tue, 03 Mar  02 PM
0
0
Tue, 03 Mar  03 PM
0
0
Tue, 03 Mar  04 PM
0
0
Tue, 03 Mar  05 PM
0
0
Tue, 03 Mar  06 PM
0
0
Tue, 03 Mar  07 PM
0
0
Tue, 03 Mar  08 PM
0
0
Tue, 03 Mar  09 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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