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 12/21, 4Z)
26
23
*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, 21 Dec  04 AM
1
3
Sun, 21 Dec  05 AM
1
2
Sun, 21 Dec  06 AM
1
2
Sun, 21 Dec  07 AM
0
2
Sun, 21 Dec  08 AM
2
2
Sun, 21 Dec  09 AM
6
2
Sun, 21 Dec  10 AM
16
4
Sun, 21 Dec  11 AM
24
6
Sun, 21 Dec  12 PM
29
10
Sun, 21 Dec  01 PM
33
14
Sun, 21 Dec  02 PM
36
18
Sun, 21 Dec  03 PM
37
23
Sun, 21 Dec  04 PM
37
27
Sun, 21 Dec  05 PM
32
30
Sun, 21 Dec  06 PM
20
31
Sun, 21 Dec   07 PM
16
30
Sun, 21 Dec   08 PM
18
28
Sun, 21 Dec   09 PM
21
27
Sun, 21 Dec   10 PM
21
25
Sun, 21 Dec   11 PM
21
23
Mon, 22 Dec   12 AM
20
21
Mon, 22 Dec   01 AM
20
20
Mon, 22 Dec   02 AM
20
20
Mon, 22 Dec   03 AM
20
20
Mon, 22 Dec   04 AM
19
20
Mon, 22 Dec   05 AM
19
20
Mon, 22 Dec   06 AM
18
20
Mon, 22 Dec   07 AM
19
19
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, 21 Dec  04 AM
0
0
Sun, 21 Dec  05 AM
0
0
Sun, 21 Dec  06 AM
0
0
Sun, 21 Dec  07 AM
0
0
Sun, 21 Dec  08 AM
0
0
Sun, 21 Dec  09 AM
0
0
Sun, 21 Dec  10 AM
0
0
Sun, 21 Dec  11 AM
0
0
Sun, 21 Dec  12 PM
0
0
Sun, 21 Dec  01 PM
0
0
Sun, 21 Dec  02 PM
0
0
Sun, 21 Dec  03 PM
0
0
Sun, 21 Dec  04 PM
0
0
Sun, 21 Dec  05 PM
0
0
Sun, 21 Dec  06 PM
0
0
Sun, 21 Dec  07 PM
0
0
Sun, 21 Dec  08 PM
0
0
Sun, 21 Dec  09 PM
0
0
Sun, 21 Dec  10 PM
0
0
Sun, 21 Dec  11 PM
0
0
Mon, 22 Dec  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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