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 02/07, 4Z)
35
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
Sat, 06 Feb  12 PM
33
27
Sat, 06 Feb  01 PM
35
28
Sat, 06 Feb  02 PM
35
28
Sat, 06 Feb  03 PM
34
29
Sat, 06 Feb   04 PM
32
30
Sat, 06 Feb   05 PM
23
30
Sat, 06 Feb   06 PM
16
30
Sat, 06 Feb   07 PM
14
28
Sat, 06 Feb   08 PM
14
25
Sat, 06 Feb   09 PM
13
22
Sat, 06 Feb   10 PM
11
20
Sat, 06 Feb   11 PM
10
16
Sun, 07 Feb   12 AM
9
14
Sun, 07 Feb   01 AM
8
12
Sun, 07 Feb   02 AM
9
11
Sun, 07 Feb   03 AM
9
10
Sun, 07 Feb   04 AM
10
10
Sun, 07 Feb   05 AM
11
10
Sun, 07 Feb   06 AM
12
10
Sun, 07 Feb   07 AM
12
10
Sun, 07 Feb   08 AM
11
10
Sun, 07 Feb   09 AM
9
10
Sun, 07 Feb   10 AM
10
10
Sun, 07 Feb   11 AM
14
11
Sun, 07 Feb   12 PM
17
12
Sun, 07 Feb   01 PM
19
13
Sun, 07 Feb   02 PM
20
14
Sun, 07 Feb   03 PM
22
15
Sun, 07 Feb   04 PM
22
17
Sun, 07 Feb   05 PM
16
18
Sun, 07 Feb   06 PM
10
18
Sun, 07 Feb   07 PM
5
16
Sun, 07 Feb   08 PM
4
15
Sun, 07 Feb   09 PM
4
13
Sun, 07 Feb   10 PM
5
11
Sun, 07 Feb   11 PM
6
9
Mon, 08 Feb   12 AM
7
7
Mon, 08 Feb   01 AM
9
6
Mon, 08 Feb   02 AM
10
6
Mon, 08 Feb   03 AM
11
7
Mon, 08 Feb   04 AM
12
8
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, 06 Feb  10 AM
0
0
Sat, 06 Feb  11 AM
0
0
Sat, 06 Feb  12 PM
0
0
Sat, 06 Feb  01 PM
0
0
Sat, 06 Feb  02 PM
0
0
Sat, 06 Feb  03 PM
0
0
Sat, 06 Feb  04 PM
0
0
Sat, 06 Feb  05 PM
0
0
Sat, 06 Feb  06 PM
0
0
Sat, 06 Feb  07 PM
0
0
Sat, 06 Feb  08 PM
0
0
Sat, 06 Feb  09 PM
0
0
Sat, 06 Feb  10 PM
0
0
Sat, 06 Feb  11 PM
0
0
Sun, 07 Feb  12 AM
0
0
Sun, 07 Feb  01 AM
0
0
Sun, 07 Feb  02 AM
0
0
Sun, 07 Feb  03 AM
0
0
Sun, 07 Feb  04 AM
0
0
Sun, 07 Feb  05 AM
0
0
Sun, 07 Feb  06 AM
0
0
Sun, 07 Feb  07 AM
0
0
Sun, 07 Feb  08 AM
0
0
Sun, 07 Feb  09 AM
0
0
Sun, 07 Feb  10 AM
0
0
Sun, 07 Feb  11 AM
0
0
Sun, 07 Feb  12 PM
0
0
Sun, 07 Feb  01 PM
0
0
Sun, 07 Feb  02 PM
0
0
Sun, 07 Feb  03 PM
0
0
Sun, 07 Feb  04 PM
0
0
Sun, 07 Feb  05 PM
0
0
Sun, 07 Feb  06 PM
0
0
Sun, 07 Feb  07 PM
0
0
Sun, 07 Feb  08 PM
0
0
Sun, 07 Feb  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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