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 02/28, 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
Fri, 27 Feb  07 PM
39
38
Fri, 27 Feb  08 PM
39
38
Fri, 27 Feb  09 PM
37
38
Fri, 27 Feb  10 PM
34
38
Fri, 27 Feb  11 PM
34
37
Sat, 28 Feb  12 AM
33
37
Sat, 28 Feb  01 AM
33
36
Sat, 28 Feb  02 AM
31
35
Sat, 28 Feb  03 AM
30
34
Sat, 28 Feb  04 AM
34
33
Sat, 28 Feb  05 AM
36
33
Sat, 28 Feb  06 AM
36
34
Sat, 28 Feb  07 AM
36
34
Sat, 28 Feb  08 AM
36
34
Sat, 28 Feb  09 AM
36
34
Sat, 28 Feb  10 AM
36
35
Sat, 28 Feb  11 AM
37
36
Sat, 28 Feb  12 PM
38
37
Sat, 28 Feb  01 PM
39
37
Sat, 28 Feb  02 PM
40
38
Sat, 28 Feb  03 PM
40
38
Sat, 28 Feb  04 PM
40
39
Sat, 28 Feb  05 PM
40
39
Sat, 28 Feb  06 PM
41
40
Sat, 28 Feb   07 PM
43
40
Sat, 28 Feb   08 PM
45
41
Sat, 28 Feb   09 PM
46
42
Sat, 28 Feb   10 PM
46
43
Sat, 28 Feb   11 PM
46
44
Sun, 01 Mar   12 AM
46
44
Sun, 01 Mar   01 AM
46
45
Sun, 01 Mar   02 AM
46
46
Sun, 01 Mar   03 AM
46
46
Sun, 01 Mar   04 AM
46
46
Sun, 01 Mar   05 AM
47
46
Sun, 01 Mar   06 AM
47
46
Sun, 01 Mar   07 AM
47
46
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, 27 Feb  07 PM
0
0
Fri, 27 Feb  08 PM
0
0
Fri, 27 Feb  09 PM
0
0
Fri, 27 Feb  10 PM
0
0
Fri, 27 Feb  11 PM
0
0
Sat, 28 Feb  12 AM
0
0
Sat, 28 Feb  01 AM
0
0
Sat, 28 Feb  02 AM
0
0
Sat, 28 Feb  03 AM
0
0
Sat, 28 Feb  04 AM
0
0
Sat, 28 Feb  05 AM
0
0
Sat, 28 Feb  06 AM
0
0
Sat, 28 Feb  07 AM
0
0
Sat, 28 Feb  08 AM
0
0
Sat, 28 Feb  09 AM
0
0
Sat, 28 Feb  10 AM
0
0
Sat, 28 Feb  11 AM
0
0
Sat, 28 Feb  12 PM
0
0
Sat, 28 Feb  01 PM
0
0
Sat, 28 Feb  02 PM
0
0
Sat, 28 Feb  03 PM
0
0
Sat, 28 Feb  04 PM
0
0
Sat, 28 Feb  05 PM
0
0
Sat, 28 Feb  06 PM
0
0
Sat, 28 Feb  07 PM
0
0
Sat, 28 Feb  08 PM
0
0
Sat, 28 Feb  09 PM
0
0
Sat, 28 Feb  10 PM
0
0
Sat, 28 Feb  11 PM
0
0
Sun, 01 Mar  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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