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 04/23, 4Z)
39
38
*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
Wed, 23 Apr  12 AM
33
34
Wed, 23 Apr  01 AM
34
34
Wed, 23 Apr  02 AM
34
33
Wed, 23 Apr  03 AM
34
33
Wed, 23 Apr  04 AM
35
34
Wed, 23 Apr  05 AM
34
34
Wed, 23 Apr  06 AM
34
34
Wed, 23 Apr  07 AM
34
34
Wed, 23 Apr  08 AM
33
34
Wed, 23 Apr  09 AM
34
34
Wed, 23 Apr  10 AM
36
34
Wed, 23 Apr  11 AM
36
34
Wed, 23 Apr  12 PM
35
34
Wed, 23 Apr  01 PM
35
34
Wed, 23 Apr  02 PM
35
35
Wed, 23 Apr  03 PM
34
35
Wed, 23 Apr  04 PM
33
35
Wed, 23 Apr   05 PM
32
34
Wed, 23 Apr   06 PM
31
34
Wed, 23 Apr   07 PM
32
33
Wed, 23 Apr   08 PM
33
33
Wed, 23 Apr   09 PM
35
33
Wed, 23 Apr   10 PM
34
33
Wed, 23 Apr   11 PM
30
32
Thu, 24 Apr   12 AM
29
32
Thu, 24 Apr   01 AM
30
32
Thu, 24 Apr   02 AM
33
32
Thu, 24 Apr   03 AM
36
32
Thu, 24 Apr   04 AM
38
33
Thu, 24 Apr   05 AM
37
33
Smoke
Ending Time
(Local Time)
1 Hour Surface Smoke (µg/m³)
06Z Model Run
1 Hour Column-Integrated
Smoke (µg/m³)

06Z Model Run
Wed, 23 Apr  12 AM
0
0
Wed, 23 Apr  01 AM
0
0
Wed, 23 Apr  02 AM
0
0
Wed, 23 Apr  03 AM
0
0
Wed, 23 Apr  04 AM
0
0
Wed, 23 Apr  05 AM
0
0
Wed, 23 Apr  06 AM
0
0
Wed, 23 Apr  07 AM
0
0
Wed, 23 Apr  08 AM
0
0
Wed, 23 Apr  09 AM
0
0
Wed, 23 Apr  10 AM
0
0
Wed, 23 Apr  11 AM
0
0
Wed, 23 Apr  12 PM
0
0
Wed, 23 Apr  01 PM
0
0
Wed, 23 Apr  02 PM
0
0
Wed, 23 Apr  03 PM
0
0
Wed, 23 Apr  04 PM
0
0
Wed, 23 Apr  05 PM
0
0
Wed, 23 Apr  06 PM
0
0
Wed, 23 Apr  07 PM
0
0
Wed, 23 Apr  08 PM
0
0
Wed, 23 Apr  09 PM
0
0
Wed, 23 Apr  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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