Air Quality Forecast Guidance for Roanoke, VA

Displayed below are NOAA-EPA Air Quality Forecast Guidance values for
latitude: 37.28 N, longitude: 79.96 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 11/24, 4Z)
39
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
Sun, 23 Nov  04 PM
34
30
Sun, 23 Nov  05 PM
30
31
Sun, 23 Nov  06 PM
28
33
Sun, 23 Nov   07 PM
27
33
Sun, 23 Nov   08 PM
29
33
Sun, 23 Nov   09 PM
31
32
Sun, 23 Nov   10 PM
29
31
Sun, 23 Nov   11 PM
25
29
Mon, 24 Nov   12 AM
23
28
Mon, 24 Nov   01 AM
22
27
Mon, 24 Nov   02 AM
20
26
Mon, 24 Nov   03 AM
21
25
Mon, 24 Nov   04 AM
28
25
Mon, 24 Nov   05 AM
38
26
Mon, 24 Nov   06 AM
40
27
Mon, 24 Nov   07 AM
38
29
Mon, 24 Nov   08 AM
36
30
Mon, 24 Nov   09 AM
36
32
Mon, 24 Nov   10 AM
36
34
Mon, 24 Nov   11 AM
36
36
Mon, 24 Nov   12 PM
39
37
Mon, 24 Nov   01 PM
42
38
Mon, 24 Nov   02 PM
43
38
Mon, 24 Nov   03 PM
44
39
Mon, 24 Nov   04 PM
42
40
Mon, 24 Nov   05 PM
41
40
Mon, 24 Nov   06 PM
40
41
Mon, 24 Nov   07 PM
40
41
Mon, 24 Nov   08 PM
40
41
Mon, 24 Nov   09 PM
41
41
Mon, 24 Nov   10 PM
42
41
Mon, 24 Nov   11 PM
43
41
Tue, 25 Nov   12 AM
44
41
Tue, 25 Nov   01 AM
43
42
Tue, 25 Nov   02 AM
42
42
Tue, 25 Nov   03 AM
42
42
Tue, 25 Nov   04 AM
42
42
Tue, 25 Nov   05 AM
42
42
Tue, 25 Nov   06 AM
41
42
Tue, 25 Nov   07 AM
39
42
Smoke
Ending Time
(Local Time)
1 Hour Surface Smoke (µg/m³)
06Z Model Run
1 Hour Column-Integrated
Smoke (µg/m³)

06Z Model Run
Sun, 23 Nov  04 PM
0
0
Sun, 23 Nov  05 PM
0
0
Sun, 23 Nov  06 PM
0
0
Sun, 23 Nov  07 PM
0
0
Sun, 23 Nov  08 PM
0
0
Sun, 23 Nov  09 PM
0
0
Sun, 23 Nov  10 PM
0
0
Sun, 23 Nov  11 PM
0
0
Mon, 24 Nov  12 AM
0
0
Mon, 24 Nov  01 AM
0
0
Mon, 24 Nov  02 AM
0
0
Mon, 24 Nov  03 AM
0
0
Mon, 24 Nov  04 AM
0
0
Mon, 24 Nov  05 AM
0
0
Mon, 24 Nov  06 AM
0
0
Mon, 24 Nov  07 AM
0
0
Mon, 24 Nov  08 AM
0
0
Mon, 24 Nov  09 AM
0
0
Mon, 24 Nov  10 AM
0
0
Mon, 24 Nov  11 AM
0
0
Mon, 24 Nov  12 PM
0
0
Mon, 24 Nov  01 PM
0
0
Mon, 24 Nov  02 PM
0
0
Mon, 24 Nov  03 PM
0
0
Mon, 24 Nov  04 PM
0
0
Mon, 24 Nov  05 PM
0
0
Mon, 24 Nov  06 PM
0
0
Mon, 24 Nov  07 PM
0
0
Mon, 24 Nov  08 PM
0
0
Mon, 24 Nov  09 PM
0
0
Mon, 24 Nov  10 PM
0
0
Mon, 24 Nov  11 PM
0
0
Tue, 25 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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