Air Quality Forecast Guidance

Displayed below are NOAA-EPA Air Quality Forecast Guidance values for
latitude: 35.48 N, longitude: 75.48 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 11/22, 4Z)
45
45
*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
Fri, 21 Nov  09 PM
45
44
Fri, 21 Nov  10 PM
45
44
Fri, 21 Nov  11 PM
45
44
Sat, 22 Nov  12 AM
45
45
Sat, 22 Nov  01 AM
44
45
Sat, 22 Nov  02 AM
44
45
Sat, 22 Nov  03 AM
44
45
Sat, 22 Nov  04 AM
44
45
Sat, 22 Nov  05 AM
44
44
Sat, 22 Nov  06 AM
44
44
Sat, 22 Nov  07 AM
44
44
Sat, 22 Nov  08 AM
44
44
Sat, 22 Nov  09 AM
45
44
Sat, 22 Nov  10 AM
45
44
Sat, 22 Nov  11 AM
46
44
Sat, 22 Nov  12 PM
46
45
Sat, 22 Nov  01 PM
47
45
Sat, 22 Nov  02 PM
47
46
Sat, 22 Nov  03 PM
48
46
Sat, 22 Nov  04 PM
48
46
Sat, 22 Nov  05 PM
48
47
Sat, 22 Nov  06 PM
47
47
Sat, 22 Nov   07 PM
47
47
Sat, 22 Nov   08 PM
47
47
Sat, 22 Nov   09 PM
47
47
Sat, 22 Nov   10 PM
48
47
Sat, 22 Nov   11 PM
49
48
Sun, 23 Nov   12 AM
50
48
Sun, 23 Nov   01 AM
50
48
Sun, 23 Nov   02 AM
50
48
Sun, 23 Nov   03 AM
50
49
Sun, 23 Nov   04 AM
50
49
Sun, 23 Nov   05 AM
50
50
Sun, 23 Nov   06 AM
50
50
Sun, 23 Nov   07 AM
50
50
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, 21 Nov  09 PM
0
0
Fri, 21 Nov  10 PM
0
0
Fri, 21 Nov  11 PM
0
0
Sat, 22 Nov  12 AM
0
0
Sat, 22 Nov  01 AM
0
0
Sat, 22 Nov  02 AM
0
0
Sat, 22 Nov  03 AM
0
0
Sat, 22 Nov  04 AM
0
0
Sat, 22 Nov  05 AM
0
0
Sat, 22 Nov  06 AM
0
0
Sat, 22 Nov  07 AM
0
0
Sat, 22 Nov  08 AM
0
0
Sat, 22 Nov  09 AM
0
0
Sat, 22 Nov  10 AM
0
0
Sat, 22 Nov  11 AM
0
0
Sat, 22 Nov  12 PM
0
0
Sat, 22 Nov  01 PM
0
0
Sat, 22 Nov  02 PM
0
0
Sat, 22 Nov  03 PM
0
0
Sat, 22 Nov  04 PM
0
0
Sat, 22 Nov  05 PM
0
0
Sat, 22 Nov  06 PM
0
0
Sat, 22 Nov  07 PM
0
0
Sat, 22 Nov  08 PM
0
0
Sat, 22 Nov  09 PM
0
0
Sat, 22 Nov  10 PM
0
0
Sat, 22 Nov  11 PM
0
0
Sun, 23 Nov  12 AM
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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