Air Quality Forecast Guidance for Hillsboro, OR

Displayed below are NOAA-EPA Air Quality Forecast Guidance values for
latitude: 45.52 N, longitude: 122.92 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 03/26, 4Z)
37
33
*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
Sat, 25 Mar  01 PM
31
29
Sat, 25 Mar  02 PM
33
30
Sat, 25 Mar  03 PM
33
30
Sat, 25 Mar  04 PM
34
31
Sat, 25 Mar   05 PM
34
31
Sat, 25 Mar   06 PM
36
32
Sat, 25 Mar   07 PM
37
33
Sat, 25 Mar   08 PM
33
34
Sat, 25 Mar   09 PM
30
34
Sat, 25 Mar   10 PM
33
34
Sat, 25 Mar   11 PM
32
34
Sun, 26 Mar   12 AM
31
33
Sun, 26 Mar   01 AM
30
33
Sun, 26 Mar   02 AM
28
32
Sun, 26 Mar   03 AM
26
30
Sun, 26 Mar   04 AM
25
29
Sun, 26 Mar   05 AM
23
28
Sun, 26 Mar   06 AM
22
27
Sun, 26 Mar   07 AM
22
26
Sun, 26 Mar   08 AM
21
25
Sun, 26 Mar   09 AM
24
24
Sun, 26 Mar   10 AM
27
24
Sun, 26 Mar   11 AM
28
24
Sun, 26 Mar   12 PM
28
25
Sun, 26 Mar   01 PM
29
25
Sun, 26 Mar   02 PM
31
26
Sun, 26 Mar   03 PM
31
27
Sun, 26 Mar   04 PM
33
29
Sun, 26 Mar   05 PM
34
30
Sun, 26 Mar   06 PM
35
31
Sun, 26 Mar   07 PM
38
32
Sun, 26 Mar   08 PM
34
33
Sun, 26 Mar   09 PM
29
33
Sun, 26 Mar   10 PM
28
33
Sun, 26 Mar   11 PM
24
32
Mon, 27 Mar   12 AM
22
30
Mon, 27 Mar   01 AM
21
29
Mon, 27 Mar   02 AM
19
27
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, 25 Mar  01 PM
0
0
Sat, 25 Mar  02 PM
0
0
Sat, 25 Mar  03 PM
0
0
Sat, 25 Mar  04 PM
0
0
Sat, 25 Mar  05 PM
0
0
Sat, 25 Mar  06 PM
0
0
Sat, 25 Mar  07 PM
0
0
Sat, 25 Mar  08 PM
0
0
Sat, 25 Mar  09 PM
0
0
Sat, 25 Mar  10 PM
0
0
Sat, 25 Mar  11 PM
0
0
Sun, 26 Mar  12 AM
0
0
Sun, 26 Mar  01 AM
0
0
Sun, 26 Mar  02 AM
0
0
Sun, 26 Mar  03 AM
0
0
Sun, 26 Mar  04 AM
0
0
Sun, 26 Mar  05 AM
0
0
Sun, 26 Mar  06 AM
0
0
Sun, 26 Mar  07 AM
0
0
Sun, 26 Mar  08 AM
0
0
Sun, 26 Mar  09 AM
0
0
Sun, 26 Mar  10 AM
0
0
Sun, 26 Mar  11 AM
0
0
Sun, 26 Mar  12 PM
0
0
Sun, 26 Mar  01 PM
0
0
Sun, 26 Mar  02 PM
0
0
Sun, 26 Mar  03 PM
0
0
Sun, 26 Mar  04 PM
0
0
Sun, 26 Mar  05 PM
0
0
Sun, 26 Mar  06 PM
0
0
National Weather Service Air Quality Program Page
Environmental Protection Agency AirNow Forecast Page
Graphical Air Quality Forecast Guidance
FAQ

    US Dept of Commerce
    National Oceanic and Atmospheric Administration
    National Weather Service
    1325 East West Highway
    Silver Spring, MD 20910
    Page Author: NWS Internet Services Team 		Disclaimer
Information Quality
Credits
Glossary
 Privacy Policy
Freedom of Information Act (FOIA)
About Us
Career Opportunities