Air Quality Forecast Guidance for Cedar Hills, OR

Displayed below are NOAA-EPA Air Quality Forecast Guidance values for
latitude: 45.55 N, longitude: 122.82 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 08/20, 4Z)
29
27
*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)

6Z Model Run
8 Hour Average Ozone
Concentration (PPB)

6Z Model Run
Sat, 19 Aug  09 AM
20
20
Sat, 19 Aug  10 AM
21
20
Sat, 19 Aug  11 AM
22
20
Sat, 19 Aug  12 PM
24
21
Sat, 19 Aug  01 PM
26
21
Sat, 19 Aug  02 PM
27
22
Sat, 19 Aug  03 PM
29
24
Sat, 19 Aug  04 PM
29
25
Sat, 19 Aug   05 PM
28
26
Sat, 19 Aug   06 PM
27
27
Sat, 19 Aug   07 PM
26
27
Sat, 19 Aug   08 PM
23
27
Sat, 19 Aug   09 PM
21
26
Sat, 19 Aug   10 PM
19
25
Sat, 19 Aug   11 PM
18
24
Sun, 20 Aug   12 AM
17
23
Sun, 20 Aug   01 AM
17
21
Sun, 20 Aug   02 AM
17
20
Sun, 20 Aug   03 AM
16
19
Sun, 20 Aug   04 AM
16
18
Sun, 20 Aug   05 AM
15
17
Sun, 20 Aug   06 AM
15
16
Sun, 20 Aug   07 AM
14
16
Sun, 20 Aug   08 AM
14
15
Sun, 20 Aug   09 AM
15
15
Sun, 20 Aug   10 AM
17
15
Sun, 20 Aug   11 AM
22
16
Sun, 20 Aug   12 PM
27
18
Sun, 20 Aug   01 PM
31
20
Sun, 20 Aug   02 PM
32
22
Sun, 20 Aug   03 PM
31
24
Sun, 20 Aug   04 PM
30
26
Sun, 20 Aug   05 PM
29
27
Sun, 20 Aug   06 PM
26
29
Sun, 20 Aug   07 PM
24
29
Sun, 20 Aug   08 PM
21
28
Sun, 20 Aug   09 PM
18
26
Sun, 20 Aug   10 PM
17
25
Sun, 20 Aug   11 PM
16
23
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, 19 Aug  09 AM
0
0
Sat, 19 Aug  10 AM
0
0
Sat, 19 Aug  11 AM
0
0
Sat, 19 Aug  12 PM
0
0
Sat, 19 Aug  01 PM
0
0
Sat, 19 Aug  02 PM
0
0
Sat, 19 Aug  03 PM
0
0
Sat, 19 Aug  04 PM
0
0
Sat, 19 Aug  05 PM
0
0
Sat, 19 Aug  06 PM
0
0
Sat, 19 Aug  07 PM
0
0
Sat, 19 Aug  08 PM
0
0
Sat, 19 Aug  09 PM
0
0
Sat, 19 Aug  10 PM
0
0
Sat, 19 Aug  11 PM
0
0
Sun, 20 Aug  12 AM
0
0
Sun, 20 Aug  01 AM
0
0
Sun, 20 Aug  02 AM
0
0
Sun, 20 Aug  03 AM
0
0
Sun, 20 Aug  04 AM
0
0
Sun, 20 Aug  05 AM
0
0
Sun, 20 Aug  06 AM
0
0
Sun, 20 Aug  07 AM
0
0
Sun, 20 Aug  08 AM
0
0
Sun, 20 Aug  09 AM
0
0
Sun, 20 Aug  10 AM
0
0
Sun, 20 Aug  11 AM
0
0
Sun, 20 Aug  12 PM
0
0
Sun, 20 Aug  01 PM
0
0
Sun, 20 Aug  02 PM
0
0
Sun, 20 Aug  03 PM
0
0
Sun, 20 Aug  04 PM
0
0
Sun, 20 Aug  05 PM
0
0
Sun, 20 Aug  06 PM
0
0
Sun, 20 Aug  07 PM
0
0
Sun, 20 Aug  08 PM
0
0
Sun, 20 Aug  09 PM
0
0
Sun, 20 Aug  10 PM
0
0

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Environmental Protection Agency AirNow Forecast Page
Graphical Air Quality Forecast Guidance
FAQ


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