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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 09/23, 4Z)
45
42
*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
Tue, 23 Sep  02 AM
24
29
Tue, 23 Sep  03 AM
24
27
Tue, 23 Sep  04 AM
24
26
Tue, 23 Sep  05 AM
23
25
Tue, 23 Sep  06 AM
20
24
Tue, 23 Sep  07 AM
17
23
Tue, 23 Sep  08 AM
16
22
Tue, 23 Sep  09 AM
20
21
Tue, 23 Sep  10 AM
29
22
Tue, 23 Sep  11 AM
36
23
Tue, 23 Sep  12 PM
38
25
Tue, 23 Sep  01 PM
41
27
Tue, 23 Sep  02 PM
44
30
Tue, 23 Sep  03 PM
46
34
Tue, 23 Sep  04 PM
47
38
Tue, 23 Sep  05 PM
47
41
Tue, 23 Sep  06 PM
45
43
Tue, 23 Sep  07 PM
37
43
Tue, 23 Sep   08 PM
32
42
Tue, 23 Sep   09 PM
29
41
Tue, 23 Sep   10 PM
26
38
Tue, 23 Sep   11 PM
23
36
Wed, 24 Sep   12 AM
21
32
Wed, 24 Sep   01 AM
20
29
Wed, 24 Sep   02 AM
19
26
Wed, 24 Sep   03 AM
19
24
Wed, 24 Sep   04 AM
18
22
Wed, 24 Sep   05 AM
17
21
Wed, 24 Sep   06 AM
16
19
Wed, 24 Sep   07 AM
13
18
Wed, 24 Sep   08 AM
12
17
Smoke
Ending Time
(Local Time)
1 Hour Surface Smoke (µg/m³)
06Z Model Run
1 Hour Column-Integrated
Smoke (µg/m³)

06Z Model Run
Tue, 23 Sep  02 AM
0
0
Tue, 23 Sep  03 AM
0
0
Tue, 23 Sep  04 AM
0
0
Tue, 23 Sep  05 AM
0
0
Tue, 23 Sep  06 AM
0
0
Tue, 23 Sep  07 AM
0
0
Tue, 23 Sep  08 AM
0
0
Tue, 23 Sep  09 AM
0
0
Tue, 23 Sep  10 AM
0
0
Tue, 23 Sep  11 AM
0
0
Tue, 23 Sep  12 PM
0
0
Tue, 23 Sep  01 PM
0
0
Tue, 23 Sep  02 PM
0
0
Tue, 23 Sep  03 PM
0
0
Tue, 23 Sep  04 PM
0
0
Tue, 23 Sep  05 PM
0
0
Tue, 23 Sep  06 PM
0
0
Tue, 23 Sep  07 PM
0
0
Tue, 23 Sep  08 PM
0
0
Tue, 23 Sep  09 PM
0
0
Tue, 23 Sep  10 PM
0
0
Tue, 23 Sep  11 PM
0
0
Wed, 24 Sep  12 AM
0
0
Wed, 24 Sep  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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