Air Quality Forecast Guidance for Gresham, OR

Displayed below are NOAA-EPA Air Quality Forecast Guidance values for
latitude: 45.50 N, longitude: 122.42 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 07/05, 4Z)
46
39
*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, 04 Jul  02 PM
32
22
Mon, 04 Jul  03 PM
37
25
Mon, 04 Jul  04 PM
41
28
Mon, 04 Jul   05 PM
44
31
Mon, 04 Jul   06 PM
46
34
Mon, 04 Jul   07 PM
44
37
Mon, 04 Jul   08 PM
38
38
Mon, 04 Jul   09 PM
30
39
Mon, 04 Jul   10 PM
26
38
Mon, 04 Jul   11 PM
23
37
Tue, 05 Jul   12 AM
22
34
Tue, 05 Jul   01 AM
20
31
Tue, 05 Jul   02 AM
19
28
Tue, 05 Jul   03 AM
17
25
Tue, 05 Jul   04 AM
16
22
Tue, 05 Jul   05 AM
14
20
Tue, 05 Jul   06 AM
12
18
Tue, 05 Jul   07 AM
12
17
Tue, 05 Jul   08 AM
15
16
Tue, 05 Jul   09 AM
22
16
Tue, 05 Jul   10 AM
26
17
Tue, 05 Jul   11 AM
28
18
Tue, 05 Jul   12 PM
31
20
Tue, 05 Jul   01 PM
33
22
Tue, 05 Jul   02 PM
30
25
Tue, 05 Jul   03 PM
26
26
Tue, 05 Jul   04 PM
28
28
Tue, 05 Jul   05 PM
33
29
Tue, 05 Jul   06 PM
39
31
Tue, 05 Jul   07 PM
39
32
Tue, 05 Jul   08 PM
35
33
Tue, 05 Jul   09 PM
28
32
Tue, 05 Jul   10 PM
24
32
Tue, 05 Jul   11 PM
20
31
Wed, 06 Jul   12 AM
19
30
Wed, 06 Jul   01 AM
17
28
Wed, 06 Jul   02 AM
15
25
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, 04 Jul  02 PM
0
0
Mon, 04 Jul  03 PM
0
0
Mon, 04 Jul  04 PM
0
0
Mon, 04 Jul  05 PM
0
0
Mon, 04 Jul  06 PM
0
0
Mon, 04 Jul  07 PM
0
0
Mon, 04 Jul  08 PM
0
0
Mon, 04 Jul  09 PM
0
0
Mon, 04 Jul  10 PM
0
0
Mon, 04 Jul  11 PM
0
0
Tue, 05 Jul  12 AM
0
0
Tue, 05 Jul  01 AM
0
0
Tue, 05 Jul  02 AM
0
0
Tue, 05 Jul  03 AM
0
0
Tue, 05 Jul  04 AM
0
0
Tue, 05 Jul  05 AM
0
0
Tue, 05 Jul  06 AM
0
0
Tue, 05 Jul  07 AM
0
0
Tue, 05 Jul  08 AM
0
0
Tue, 05 Jul  09 AM
0
0
Tue, 05 Jul  10 AM
0
0
Tue, 05 Jul  11 AM
0
0
Tue, 05 Jul  12 PM
0
0
Tue, 05 Jul  01 PM
0
0
Tue, 05 Jul  02 PM
0
0
Tue, 05 Jul  03 PM
0
0
Tue, 05 Jul  04 PM
0
0
Tue, 05 Jul  05 PM
0
0
Tue, 05 Jul  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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