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 08/28, 4Z)
56
55
*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
Sat, 27 Aug  04 PM
56
48
Sat, 27 Aug  05 PM
56
52
Sat, 27 Aug  06 PM
56
54
Sat, 27 Aug  07 PM
56
55
Sat, 27 Aug   08 PM
54
55
Sat, 27 Aug   09 PM
53
55
Sat, 27 Aug   10 PM
51
55
Sat, 27 Aug   11 PM
46
54
Sun, 28 Aug   12 AM
42
52
Sun, 28 Aug   01 AM
37
49
Sun, 28 Aug   02 AM
32
46
Sun, 28 Aug   03 AM
28
43
Sun, 28 Aug   04 AM
26
39
Sun, 28 Aug   05 AM
23
36
Sun, 28 Aug   06 AM
21
32
Sun, 28 Aug   07 AM
19
28
Sun, 28 Aug   08 AM
21
26
Sun, 28 Aug   09 AM
37
26
Sun, 28 Aug   10 AM
52
28
Sun, 28 Aug   11 AM
57
32
Sun, 28 Aug   12 PM
58
36
Sun, 28 Aug   01 PM
57
40
Sun, 28 Aug   02 PM
56
45
Sun, 28 Aug   03 PM
55
49
Sun, 28 Aug   04 PM
54
54
Sun, 28 Aug   05 PM
55
56
Sun, 28 Aug   06 PM
55
56
Sun, 28 Aug   07 PM
53
56
Sun, 28 Aug   08 PM
46
54
Sun, 28 Aug   09 PM
38
52
Sun, 28 Aug   10 PM
33
49
Sun, 28 Aug   11 PM
30
45
Mon, 29 Aug   12 AM
28
42
Mon, 29 Aug   01 AM
24
38
Mon, 29 Aug   02 AM
22
34
Mon, 29 Aug   03 AM
21
30
Mon, 29 Aug   04 AM
21
27
Mon, 29 Aug   05 AM
19
25
Mon, 29 Aug   06 AM
16
23
Mon, 29 Aug   07 AM
10
20
Mon, 29 Aug   08 AM
10
18
Smoke
Ending Time
(Local Time)
1 Hour Surface Smoke (µg/m³)
06Z Model Run
1 Hour Column-Integrated
Smoke (µg/m³)

06Z Model Run
Sat, 27 Aug  01 PM
0
0
Sat, 27 Aug  02 PM
0
0
Sat, 27 Aug  03 PM
0
0
Sat, 27 Aug  04 PM
0
0
Sat, 27 Aug  05 PM
0
0
Sat, 27 Aug  06 PM
0
0
Sat, 27 Aug  07 PM
0
0
Sat, 27 Aug  08 PM
0
0
Sat, 27 Aug  09 PM
0
0
Sat, 27 Aug  10 PM
0
0
Sat, 27 Aug  11 PM
0
0
Sun, 28 Aug  12 AM
0
0
Sun, 28 Aug  01 AM
0
0
Sun, 28 Aug  02 AM
0
0
Sun, 28 Aug  03 AM
0
0
Sun, 28 Aug  04 AM
0
0
Sun, 28 Aug  05 AM
0
0
Sun, 28 Aug  06 AM
0
0
Sun, 28 Aug  07 AM
0
0
Sun, 28 Aug  08 AM
0
0
Sun, 28 Aug  09 AM
0
0
Sun, 28 Aug  10 AM
0
0
Sun, 28 Aug  11 AM
0
0
Sun, 28 Aug  12 PM
0
0
Sun, 28 Aug  01 PM
0
0
Sun, 28 Aug  02 PM
0
0
Sun, 28 Aug  03 PM
0
0
Sun, 28 Aug  04 PM
0
0
Sun, 28 Aug  05 PM
0
0
Sun, 28 Aug  06 PM
0
0
Sun, 28 Aug  07 PM
0
0
Sun, 28 Aug  08 PM
0
0
Sun, 28 Aug  09 PM
0
0
Sun, 28 Aug  10 PM
0
0
Sun, 28 Aug  11 PM
0
0
Mon, 29 Aug  12 AM
0
0
Mon, 29 Aug  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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