Air Quality Forecast Guidance

Displayed below are NOAA-EPA Air Quality Forecast Guidance values for
latitude: 48.29 N, longitude: 124.67 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 10/05, 4Z)
29
24
*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, 04 Oct  08 PM
29
21
Wed, 04 Oct  09 PM
17
21
Wed, 04 Oct  10 PM
16
20
Wed, 04 Oct  11 PM
17
20
Thu, 05 Oct  12 AM
15
20
Thu, 05 Oct  01 AM
16
20
Thu, 05 Oct  02 AM
18
19
Thu, 05 Oct  03 AM
19
18
Thu, 05 Oct  04 AM
20
17
Thu, 05 Oct  05 AM
25
18
Thu, 05 Oct  06 AM
26
19
Thu, 05 Oct  07 AM
27
21
Thu, 05 Oct  08 AM
27
22
Thu, 05 Oct  09 AM
28
24
Thu, 05 Oct  10 AM
22
24
Thu, 05 Oct  11 AM
20
24
Thu, 05 Oct  12 PM
20
24
Thu, 05 Oct  01 PM
19
24
Thu, 05 Oct  02 PM
22
23
Thu, 05 Oct  03 PM
23
23
Thu, 05 Oct  04 PM
24
22
Thu, 05 Oct   05 PM
23
22
Thu, 05 Oct   06 PM
26
22
Thu, 05 Oct   07 PM
30
23
Thu, 05 Oct   08 PM
32
25
Thu, 05 Oct   09 PM
26
26
Thu, 05 Oct   10 PM
26
26
Thu, 05 Oct   11 PM
28
27
Fri, 06 Oct   12 AM
27
27
Fri, 06 Oct   01 AM
24
27
Fri, 06 Oct   02 AM
22
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
Wed, 04 Oct  08 PM
0
0
Wed, 04 Oct  09 PM
0
0
Wed, 04 Oct  10 PM
0
0
Wed, 04 Oct  11 PM
0
0
Thu, 05 Oct  12 AM
0
0
Thu, 05 Oct  01 AM
0
0
Thu, 05 Oct  02 AM
0
0
Thu, 05 Oct  03 AM
0
0
Thu, 05 Oct  04 AM
0
0
Thu, 05 Oct  05 AM
0
0
Thu, 05 Oct  06 AM
0
0
Thu, 05 Oct  07 AM
0
0
Thu, 05 Oct  08 AM
0
0
Thu, 05 Oct  09 AM
0
0
Thu, 05 Oct  10 AM
0
0
Thu, 05 Oct  11 AM
0
0
Thu, 05 Oct  12 PM
0
0
Thu, 05 Oct  01 PM
0
0
Thu, 05 Oct  02 PM
0
0
Thu, 05 Oct  03 PM
0
0
Thu, 05 Oct  04 PM
0
0
Thu, 05 Oct  05 PM
0
0
Thu, 05 Oct  06 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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