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Air Quality Forecast Guidance for Harpers Ferry, WV

Displayed below are NOAA-EPA Air Quality Forecast Guidance values for
latitude: 39.32 N, longitude: 77.74 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 10/31, 4Z)
39
34
*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
Fri, 31 Oct  03 AM
22
18
Fri, 31 Oct  04 AM
21
18
Fri, 31 Oct  05 AM
20
18
Fri, 31 Oct  06 AM
18
19
Fri, 31 Oct  07 AM
16
19
Fri, 31 Oct  08 AM
15
19
Fri, 31 Oct  09 AM
15
18
Fri, 31 Oct  10 AM
18
18
Fri, 31 Oct  11 AM
20
18
Fri, 31 Oct  12 PM
24
18
Fri, 31 Oct  01 PM
30
20
Fri, 31 Oct  02 PM
34
22
Fri, 31 Oct  03 PM
35
24
Fri, 31 Oct  04 PM
36
27
Fri, 31 Oct  05 PM
35
29
Fri, 31 Oct  06 PM
33
31
Fri, 31 Oct  07 PM
30
32
Fri, 31 Oct   08 PM
27
32
Fri, 31 Oct   09 PM
23
32
Fri, 31 Oct   10 PM
18
30
Fri, 31 Oct   11 PM
16
27
Sat, 01 Nov   12 AM
15
25
Sat, 01 Nov   01 AM
17
22
Sat, 01 Nov   02 AM
19
21
Sat, 01 Nov   03 AM
18
19
Sat, 01 Nov   04 AM
15
18
Sat, 01 Nov   05 AM
14
16
Sat, 01 Nov   06 AM
13
16
Sat, 01 Nov   07 AM
13
15
Sat, 01 Nov   08 AM
13
15
Smoke
Ending Time
(Local Time)
1 Hour Surface Smoke (µg/m³)
06Z Model Run
1 Hour Column-Integrated
Smoke (µg/m³)

06Z Model Run
Fri, 31 Oct  03 AM
0
0
Fri, 31 Oct  04 AM
0
0
Fri, 31 Oct  05 AM
0
0
Fri, 31 Oct  06 AM
0
0
Fri, 31 Oct  07 AM
0
0
Fri, 31 Oct  08 AM
0
0
Fri, 31 Oct  09 AM
0
0
Fri, 31 Oct  10 AM
0
0
Fri, 31 Oct  11 AM
0
0
Fri, 31 Oct  12 PM
0
0
Fri, 31 Oct  01 PM
0
0
Fri, 31 Oct  02 PM
0
0
Fri, 31 Oct  03 PM
0
0
Fri, 31 Oct  04 PM
0
0
Fri, 31 Oct  05 PM
0
0
Fri, 31 Oct  06 PM
0
0
Fri, 31 Oct  07 PM
0
0
Fri, 31 Oct  08 PM
0
0
Fri, 31 Oct  09 PM
0
0
Fri, 31 Oct  10 PM
0
0
Fri, 31 Oct  11 PM
0
0
Sat, 01 Nov  12 AM
0
0
Sat, 01 Nov  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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