Air Quality Forecast Guidance for St. Johns, OR

Displayed below are NOAA-EPA Air Quality Forecast Guidance values for
latitude: 45.60 N, longitude: 122.76 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 06/10, 4Z)
29
24
*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
Fri, 09 Jun  11 AM
5
13
Fri, 09 Jun  12 PM
6
11
Fri, 09 Jun  01 PM
5
9
Fri, 09 Jun  02 PM
4
8
Fri, 09 Jun  03 PM
3
6
Fri, 09 Jun  04 PM
3
5
Fri, 09 Jun   05 PM
4
4
Fri, 09 Jun   06 PM
7
5
Fri, 09 Jun   07 PM
9
5
Fri, 09 Jun   08 PM
12
6
Fri, 09 Jun   09 PM
13
7
Fri, 09 Jun   10 PM
14
8
Fri, 09 Jun   11 PM
16
10
Sat, 10 Jun   12 AM
17
11
Sat, 10 Jun   01 AM
18
13
Sat, 10 Jun   02 AM
17
14
Sat, 10 Jun   03 AM
16
15
Sat, 10 Jun   04 AM
16
16
Sat, 10 Jun   05 AM
17
16
Sat, 10 Jun   06 AM
18
17
Sat, 10 Jun   07 AM
19
17
Sat, 10 Jun   08 AM
19
17
Sat, 10 Jun   09 AM
18
18
Sat, 10 Jun   10 AM
18
18
Sat, 10 Jun   11 AM
20
18
Sat, 10 Jun   12 PM
24
19
Sat, 10 Jun   01 PM
27
20
Sat, 10 Jun   02 PM
29
22
Sat, 10 Jun   03 PM
29
23
Sat, 10 Jun   04 PM
29
24
Sat, 10 Jun   05 PM
31
26
Sat, 10 Jun   06 PM
33
28
Sat, 10 Jun   07 PM
33
29
Sat, 10 Jun   08 PM
37
31
Sat, 10 Jun   09 PM
38
32
Sat, 10 Jun   10 PM
36
33
Sat, 10 Jun   11 PM
36
34
Sun, 11 Jun   12 AM
34
35
Sun, 11 Jun   01 AM
33
35
Sun, 11 Jun   02 AM
30
35
Smoke
Ending Time
(Local Time)
1 Hour Surface Smoke (µg/m³)
06Z Model Run
1 Hour Column-Integrated
Smoke (µg/m³)
06Z Model Run
Fri, 09 Jun  11 AM
0
0
Fri, 09 Jun  12 PM
0
0
Fri, 09 Jun  01 PM
0
0
Fri, 09 Jun  02 PM
0
0
Fri, 09 Jun  03 PM
0
0
Fri, 09 Jun  04 PM
0
0
Fri, 09 Jun  05 PM
0
0
Fri, 09 Jun  06 PM
0
0
Fri, 09 Jun  07 PM
0
0
Fri, 09 Jun  08 PM
0
0
Fri, 09 Jun  09 PM
0
0
Fri, 09 Jun  10 PM
0
0
Fri, 09 Jun  11 PM
0
0
Sat, 10 Jun  12 AM
0
0
Sat, 10 Jun  01 AM
0
0
Sat, 10 Jun  02 AM
0
0
Sat, 10 Jun  03 AM
0
0
Sat, 10 Jun  04 AM
0
0
Sat, 10 Jun  05 AM
0
0
Sat, 10 Jun  06 AM
0
0
Sat, 10 Jun  07 AM
0
0
Sat, 10 Jun  08 AM
0
0
Sat, 10 Jun  09 AM
0
0
Sat, 10 Jun  10 AM
0
0
Sat, 10 Jun  11 AM
0
0
Sat, 10 Jun  12 PM
0
0
Sat, 10 Jun  01 PM
0
0
Sat, 10 Jun  02 PM
0
0
Sat, 10 Jun  03 PM
0
0
Sat, 10 Jun  04 PM
0
0
Sat, 10 Jun  05 PM
0
0
Sat, 10 Jun  06 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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