Air Quality Forecast Guidance for Klamath River, CA

Displayed below are NOAA-EPA Air Quality Forecast Guidance values for
latitude: 42.04 N, longitude: 123.00 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 09/21, 4Z)
45
42
*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, 20 Sep  10 PM
32
40
Mon, 20 Sep  11 PM
33
39
Tue, 21 Sep  12 AM
33
37
Tue, 21 Sep  01 AM
34
36
Tue, 21 Sep  02 AM
36
35
Tue, 21 Sep  03 AM
37
34
Tue, 21 Sep  04 AM
38
35
Tue, 21 Sep  05 AM
35
35
Tue, 21 Sep  06 AM
21
33
Tue, 21 Sep  07 AM
32
33
Tue, 21 Sep  08 AM
30
33
Tue, 21 Sep  09 AM
30
32
Tue, 21 Sep  10 AM
32
32
Tue, 21 Sep  11 AM
39
32
Tue, 21 Sep  12 PM
41
33
Tue, 21 Sep  01 PM
45
34
Tue, 21 Sep  02 PM
47
37
Tue, 21 Sep  03 PM
48
39
Tue, 21 Sep  04 PM
47
41
Tue, 21 Sep   05 PM
46
43
Tue, 21 Sep   06 PM
44
45
Tue, 21 Sep   07 PM
38
45
Tue, 21 Sep   08 PM
38
44
Tue, 21 Sep   09 PM
37
43
Tue, 21 Sep   10 PM
32
41
Tue, 21 Sep   11 PM
33
39
Wed, 22 Sep   12 AM
33
38
Wed, 22 Sep   01 AM
32
36
Wed, 22 Sep   02 AM
33
34
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, 20 Sep  10 PM
23
5
Mon, 20 Sep  11 PM
29
3
Tue, 21 Sep  12 AM
16
1
Tue, 21 Sep  01 AM
7
0
Tue, 21 Sep  02 AM
3
0
Tue, 21 Sep  03 AM
3
0
Tue, 21 Sep  04 AM
0
0
Tue, 21 Sep  05 AM
0
0
Tue, 21 Sep  06 AM
5
0
Tue, 21 Sep  07 AM
0
0
Tue, 21 Sep  08 AM
0
0
Tue, 21 Sep  09 AM
0
0
Tue, 21 Sep  10 AM
1
12
Tue, 21 Sep  11 AM
20
25
Tue, 21 Sep  12 PM
35
30
Tue, 21 Sep  01 PM
106
50
Tue, 21 Sep  02 PM
113
50
Tue, 21 Sep  03 PM
56
29
Tue, 21 Sep  04 PM
25
21
Tue, 21 Sep  05 PM
14
28
Tue, 21 Sep  06 PM
10
23
Tue, 21 Sep  07 PM
2
16
Tue, 21 Sep  08 PM
0
9
Tue, 21 Sep  09 PM
0
11
Tue, 21 Sep  10 PM
0
15

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


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