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 02/12, 4Z)
35
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)

6Z Model Run
8 Hour Average Ozone
Concentration (PPB)

6Z Model Run
Thu, 11 Feb  10 AM
30
27
Thu, 11 Feb  11 AM
32
27
Thu, 11 Feb  12 PM
33
28
Thu, 11 Feb  01 PM
34
29
Thu, 11 Feb  02 PM
34
30
Thu, 11 Feb  03 PM
35
31
Thu, 11 Feb  04 PM
35
32
Thu, 11 Feb  05 PM
34
33
Thu, 11 Feb  06 PM
30
33
Thu, 11 Feb   07 PM
24
32
Thu, 11 Feb   08 PM
22
31
Thu, 11 Feb   09 PM
22
30
Thu, 11 Feb   10 PM
22
28
Thu, 11 Feb   11 PM
21
26
Fri, 12 Feb   12 AM
19
24
Fri, 12 Feb   01 AM
18
22
Fri, 12 Feb   02 AM
17
20
Fri, 12 Feb   03 AM
16
20
Fri, 12 Feb   04 AM
17
19
Fri, 12 Feb   05 AM
18
18
Fri, 12 Feb   06 AM
17
18
Fri, 12 Feb   07 AM
14
17
Fri, 12 Feb   08 AM
18
17
Fri, 12 Feb   09 AM
24
18
Fri, 12 Feb   10 AM
28
19
Fri, 12 Feb   11 AM
28
21
Fri, 12 Feb   12 PM
28
22
Fri, 12 Feb   01 PM
29
23
Fri, 12 Feb   02 PM
29
25
Fri, 12 Feb   03 PM
29
27
Fri, 12 Feb   04 PM
29
28
Fri, 12 Feb   05 PM
27
28
Fri, 12 Feb   06 PM
23
28
Fri, 12 Feb   07 PM
17
26
Fri, 12 Feb   08 PM
20
25
Fri, 12 Feb   09 PM
28
25
Fri, 12 Feb   10 PM
30
26
Fri, 12 Feb   11 PM
31
26
Sat, 13 Feb   12 AM
30
26
Sat, 13 Feb   01 AM
29
26
Smoke
Ending Time
(Local Time)
1 Hour Surface Smoke (µg/m³)
06Z Model Run
1 Hour Column-Integrated
Smoke (µg/m³)

06Z Model Run
Thu, 11 Feb  10 AM
0
0
Thu, 11 Feb  11 AM
0
0
Thu, 11 Feb  12 PM
0
0
Thu, 11 Feb  01 PM
0
0
Thu, 11 Feb  02 PM
0
0
Thu, 11 Feb  03 PM
0
0
Thu, 11 Feb  04 PM
0
0
Thu, 11 Feb  05 PM
0
0
Thu, 11 Feb  06 PM
0
0
Thu, 11 Feb  07 PM
0
0
Thu, 11 Feb  08 PM
0
0
Thu, 11 Feb  09 PM
0
0
Thu, 11 Feb  10 PM
0
0
Thu, 11 Feb  11 PM
0
0
Fri, 12 Feb  12 AM
0
0
Fri, 12 Feb  01 AM
0
0
Fri, 12 Feb  02 AM
0
0
Fri, 12 Feb  03 AM
0
0
Fri, 12 Feb  04 AM
0
0
Fri, 12 Feb  05 AM
0
0
Fri, 12 Feb  06 AM
0
0
Fri, 12 Feb  07 AM
0
0
Fri, 12 Feb  08 AM
0
0
Fri, 12 Feb  09 AM
0
0
Fri, 12 Feb  10 AM
0
0
Fri, 12 Feb  11 AM
0
0
Fri, 12 Feb  12 PM
0
0
Fri, 12 Feb  01 PM
0
0
Fri, 12 Feb  02 PM
0
0
Fri, 12 Feb  03 PM
0
0
Fri, 12 Feb  04 PM
0
0
Fri, 12 Feb  05 PM
0
0
Fri, 12 Feb  06 PM
0
0
Fri, 12 Feb  07 PM
0
0
Fri, 12 Feb  08 PM
0
0
Fri, 12 Feb  09 PM
0
0
Fri, 12 Feb  10 PM
0
0
Fri, 12 Feb  11 PM
0
0
Sat, 13 Feb  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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