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 10/02, 4Z)
51
48
*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, 01 Oct  04 PM
50
45
Sat, 01 Oct  05 PM
48
47
Sat, 01 Oct  06 PM
45
48
Sat, 01 Oct  07 PM
41
48
Sat, 01 Oct   08 PM
39
47
Sat, 01 Oct   09 PM
35
45
Sat, 01 Oct   10 PM
32
43
Sat, 01 Oct   11 PM
30
40
Sun, 02 Oct   12 AM
30
38
Sun, 02 Oct   01 AM
31
35
Sun, 02 Oct   02 AM
30
33
Sun, 02 Oct   03 AM
28
32
Sun, 02 Oct   04 AM
27
30
Sun, 02 Oct   05 AM
24
29
Sun, 02 Oct   06 AM
22
28
Sun, 02 Oct   07 AM
20
26
Sun, 02 Oct   08 AM
17
25
Sun, 02 Oct   09 AM
16
23
Sun, 02 Oct   10 AM
20
22
Sun, 02 Oct   11 AM
30
22
Sun, 02 Oct   12 PM
44
24
Sun, 02 Oct   01 PM
52
28
Sun, 02 Oct   02 PM
56
32
Sun, 02 Oct   03 PM
58
37
Sun, 02 Oct   04 PM
58
42
Sun, 02 Oct   05 PM
57
47
Sun, 02 Oct   06 PM
50
51
Sun, 02 Oct   07 PM
39
52
Sun, 02 Oct   08 PM
31
50
Sun, 02 Oct   09 PM
27
47
Sun, 02 Oct   10 PM
25
43
Sun, 02 Oct   11 PM
24
39
Mon, 03 Oct   12 AM
22
35
Mon, 03 Oct   01 AM
21
30
Mon, 03 Oct   02 AM
20
26
Mon, 03 Oct   03 AM
22
24
Mon, 03 Oct   04 AM
25
23
Mon, 03 Oct   05 AM
26
23
Mon, 03 Oct   06 AM
25
23
Mon, 03 Oct   07 AM
20
23
Mon, 03 Oct   08 AM
16
22
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, 01 Oct  01 PM
0
0
Sat, 01 Oct  02 PM
0
0
Sat, 01 Oct  03 PM
0
0
Sat, 01 Oct  04 PM
0
0
Sat, 01 Oct  05 PM
0
0
Sat, 01 Oct  06 PM
0
0
Sat, 01 Oct  07 PM
0
0
Sat, 01 Oct  08 PM
0
0
Sat, 01 Oct  09 PM
0
0
Sat, 01 Oct  10 PM
0
0
Sat, 01 Oct  11 PM
0
0
Sun, 02 Oct  12 AM
0
0
Sun, 02 Oct  01 AM
0
0
Sun, 02 Oct  02 AM
0
0
Sun, 02 Oct  03 AM
0
0
Sun, 02 Oct  04 AM
0
0
Sun, 02 Oct  05 AM
0
0
Sun, 02 Oct  06 AM
0
0
Sun, 02 Oct  07 AM
0
0
Sun, 02 Oct  08 AM
0
0
Sun, 02 Oct  09 AM
0
0
Sun, 02 Oct  10 AM
0
0
Sun, 02 Oct  11 AM
0
0
Sun, 02 Oct  12 PM
0
0
Sun, 02 Oct  01 PM
0
0
Sun, 02 Oct  02 PM
0
0
Sun, 02 Oct  03 PM
0
0
Sun, 02 Oct  04 PM
0
0
Sun, 02 Oct  05 PM
0
0
Sun, 02 Oct  06 PM
0
0
Sun, 02 Oct  07 PM
0
0
Sun, 02 Oct  08 PM
0
0
Sun, 02 Oct  09 PM
0
0
Sun, 02 Oct  10 PM
0
0
Sun, 02 Oct  11 PM
0
0
Mon, 03 Oct  12 AM
0
0
Mon, 03 Oct  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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