Air Quality Forecast Guidance for Hillsboro, OR

Displayed below are NOAA-EPA Air Quality Forecast Guidance values for
latitude: 45.52 N, longitude: 122.99 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 12/22, 4Z)
39
37
*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
Sun, 21 Dec  07 AM
36
37
Sun, 21 Dec  08 AM
36
37
Sun, 21 Dec  09 AM
35
37
Sun, 21 Dec  10 AM
34
36
Sun, 21 Dec  11 AM
33
35
Sun, 21 Dec  12 PM
32
35
Sun, 21 Dec  01 PM
37
35
Sun, 21 Dec  02 PM
38
35
Sun, 21 Dec  03 PM
38
35
Sun, 21 Dec   04 PM
36
35
Sun, 21 Dec   05 PM
34
35
Sun, 21 Dec   06 PM
32
35
Sun, 21 Dec   07 PM
31
35
Sun, 21 Dec   08 PM
29
34
Sun, 21 Dec   09 PM
27
33
Sun, 21 Dec   10 PM
26
32
Sun, 21 Dec   11 PM
25
30
Mon, 22 Dec   12 AM
25
28
Mon, 22 Dec   01 AM
24
27
Mon, 22 Dec   02 AM
24
26
Mon, 22 Dec   03 AM
21
25
Mon, 22 Dec   04 AM
17
24
Mon, 22 Dec   05 AM
15
22
Mon, 22 Dec   06 AM
16
21
Mon, 22 Dec   07 AM
17
20
Mon, 22 Dec   08 AM
13
18
Mon, 22 Dec   09 AM
15
17
Mon, 22 Dec   10 AM
15
16
Mon, 22 Dec   11 AM
18
16
Mon, 22 Dec   12 PM
24
17
Mon, 22 Dec   01 PM
27
18
Mon, 22 Dec   02 PM
27
20
Mon, 22 Dec   03 PM
24
20
Mon, 22 Dec   04 PM
14
20
Mon, 22 Dec   05 PM
1
19
Mon, 22 Dec   06 PM
0
17
Mon, 22 Dec   07 PM
0
14
Mon, 22 Dec   08 PM
0
11
Mon, 22 Dec   09 PM
0
8
Mon, 22 Dec   10 PM
0
4
Smoke
Ending Time
(Local Time)
1 Hour Surface Smoke (µg/m³)
06Z Model Run
1 Hour Column-Integrated
Smoke (µg/m³)

06Z Model Run
Sun, 21 Dec  07 AM
0
0
Sun, 21 Dec  08 AM
0
0
Sun, 21 Dec  09 AM
0
0
Sun, 21 Dec  10 AM
0
0
Sun, 21 Dec  11 AM
0
0
Sun, 21 Dec  12 PM
0
0
Sun, 21 Dec  01 PM
0
0
Sun, 21 Dec  02 PM
0
0
Sun, 21 Dec  03 PM
0
0
Sun, 21 Dec  04 PM
0
0
Sun, 21 Dec  05 PM
0
0
Sun, 21 Dec  06 PM
0
0
Sun, 21 Dec  07 PM
0
0
Sun, 21 Dec  08 PM
0
0
Sun, 21 Dec  09 PM
0
0
Sun, 21 Dec  10 PM
0
0
Sun, 21 Dec  11 PM
0
0
Mon, 22 Dec  12 AM
0
0
Mon, 22 Dec  01 AM
0
0
Mon, 22 Dec  02 AM
0
0
Mon, 22 Dec  03 AM
0
0
Mon, 22 Dec  04 AM
0
0
Mon, 22 Dec  05 AM
0
0
Mon, 22 Dec  06 AM
0
0
Mon, 22 Dec  07 AM
0
0
Mon, 22 Dec  08 AM
0
0
Mon, 22 Dec  09 AM
0
0
Mon, 22 Dec  10 AM
0
0
Mon, 22 Dec  11 AM
0
0
Mon, 22 Dec  12 PM
0
0
Mon, 22 Dec  01 PM
0
0
Mon, 22 Dec  02 PM
0
0
Mon, 22 Dec  03 PM
0
0
Mon, 22 Dec  04 PM
0
0
Mon, 22 Dec  05 PM
0
0
Mon, 22 Dec  06 PM
0
0
Mon, 22 Dec  07 PM
0
0
Mon, 22 Dec  08 PM
0
0
Mon, 22 Dec  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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