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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 05/30, 4Z)
40
40
*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, 29 May  12 PM
40
40
Fri, 29 May  01 PM
40
40
Fri, 29 May  02 PM
40
40
Fri, 29 May  03 PM
40
40
Fri, 29 May  04 PM
40
40
Fri, 29 May  05 PM
40
40
Fri, 29 May  06 PM
39
40
Fri, 29 May  07 PM
37
40
Fri, 29 May   08 PM
37
39
Fri, 29 May   09 PM
37
39
Fri, 29 May   10 PM
38
38
Fri, 29 May   11 PM
38
38
Sat, 30 May   12 AM
38
38
Sat, 30 May   01 AM
39
38
Sat, 30 May   02 AM
39
38
Sat, 30 May   03 AM
39
38
Sat, 30 May   04 AM
39
38
Sat, 30 May   05 AM
39
39
Sat, 30 May   06 AM
40
39
Sat, 30 May   07 AM
40
39
Sat, 30 May   08 AM
40
39
Sat, 30 May   09 AM
40
40
Sat, 30 May   10 AM
41
40
Sat, 30 May   11 AM
41
40
Sat, 30 May   12 PM
40
40
Sat, 30 May   01 PM
39
40
Sat, 30 May   02 PM
39
40
Sat, 30 May   03 PM
38
40
Sat, 30 May   04 PM
38
40
Sat, 30 May   05 PM
38
39
Sat, 30 May   06 PM
38
39
Sat, 30 May   07 PM
37
38
Sat, 30 May   08 PM
37
38
Sat, 30 May   09 PM
36
38
Sat, 30 May   10 PM
36
37
Sat, 30 May   11 PM
36
37
Sun, 31 May   12 AM
37
37
Sun, 31 May   01 AM
37
37
Sun, 31 May   02 AM
38
37
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, 29 May  12 PM
0
0
Fri, 29 May  01 PM
0
0
Fri, 29 May  02 PM
0
0
Fri, 29 May  03 PM
0
0
Fri, 29 May  04 PM
0
0
Fri, 29 May  05 PM
0
0
Fri, 29 May  06 PM
0
0
Fri, 29 May  07 PM
0
0
Fri, 29 May  08 PM
0
0
Fri, 29 May  09 PM
0
0
Fri, 29 May  10 PM
0
0
Fri, 29 May  11 PM
0
0
Sat, 30 May  12 AM
0
0
Sat, 30 May  01 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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