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 08/01, 4Z)
54
51
*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
Fri, 31 Jul  07 AM
24
27
Fri, 31 Jul  08 AM
25
26
Fri, 31 Jul  09 AM
31
27
Fri, 31 Jul  10 AM
40
28
Fri, 31 Jul  11 AM
50
31
Fri, 31 Jul  12 PM
54
34
Fri, 31 Jul  01 PM
52
38
Fri, 31 Jul  02 PM
51
41
Fri, 31 Jul  03 PM
51
44
Fri, 31 Jul  04 PM
52
48
Fri, 31 Jul   05 PM
52
50
Fri, 31 Jul   06 PM
50
52
Fri, 31 Jul   07 PM
46
51
Fri, 31 Jul   08 PM
38
49
Fri, 31 Jul   09 PM
28
46
Fri, 31 Jul   10 PM
22
42
Fri, 31 Jul   11 PM
21
38
Sat, 01 Aug   12 AM
21
35
Sat, 01 Aug   01 AM
21
31
Sat, 01 Aug   02 AM
21
27
Sat, 01 Aug   03 AM
20
24
Sat, 01 Aug   04 AM
20
22
Sat, 01 Aug   05 AM
19
21
Sat, 01 Aug   06 AM
19
20
Sat, 01 Aug   07 AM
18
20
Sat, 01 Aug   08 AM
19
20
Sat, 01 Aug   09 AM
25
20
Sat, 01 Aug   10 AM
34
22
Sat, 01 Aug   11 AM
41
24
Sat, 01 Aug   12 PM
43
27
Sat, 01 Aug   01 PM
43
30
Sat, 01 Aug   02 PM
45
34
Sat, 01 Aug   03 PM
48
37
Sat, 01 Aug   04 PM
48
41
Sat, 01 Aug   05 PM
45
43
Sat, 01 Aug   06 PM
42
44
Sat, 01 Aug   07 PM
41
44
Sat, 01 Aug   08 PM
37
44
Sat, 01 Aug   09 PM
29
42
Sat, 01 Aug   10 PM
23
39
Sat, 01 Aug   11 PM
21
36
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, 31 Jul  04 AM
0
0
Fri, 31 Jul  05 AM
0
0
Fri, 31 Jul  06 AM
1
0
Fri, 31 Jul  07 AM
1
0
Fri, 31 Jul  08 AM
0
0
Fri, 31 Jul  09 AM
0
0
Fri, 31 Jul  10 AM
0
0
Fri, 31 Jul  11 AM
0
0
Fri, 31 Jul  12 PM
0
0
Fri, 31 Jul  01 PM
0
0
Fri, 31 Jul  02 PM
0
0
Fri, 31 Jul  03 PM
0
0
Fri, 31 Jul  04 PM
0
0
Fri, 31 Jul  05 PM
0
0
Fri, 31 Jul  06 PM
0
0
Fri, 31 Jul  07 PM
0
0
Fri, 31 Jul  08 PM
0
0
Fri, 31 Jul  09 PM
0
0
Fri, 31 Jul  10 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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