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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 06/30, 4Z)
49
47
*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, 30 Jun  06 AM
36
38
Tue, 30 Jun  07 AM
33
38
Tue, 30 Jun  08 AM
30
36
Tue, 30 Jun  09 AM
28
35
Tue, 30 Jun  10 AM
36
34
Tue, 30 Jun  11 AM
45
35
Tue, 30 Jun  12 PM
47
36
Tue, 30 Jun  01 PM
48
38
Tue, 30 Jun  02 PM
48
39
Tue, 30 Jun  03 PM
47
41
Tue, 30 Jun  04 PM
48
44
Tue, 30 Jun  05 PM
49
46
Tue, 30 Jun  06 PM
45
47
Tue, 30 Jun  07 PM
39
46
Tue, 30 Jun   08 PM
37
45
Tue, 30 Jun   09 PM
39
44
Tue, 30 Jun   10 PM
40
43
Tue, 30 Jun   11 PM
40
42
Wed, 01 Jul   12 AM
39
41
Wed, 01 Jul   01 AM
37
40
Wed, 01 Jul   02 AM
36
38
Wed, 01 Jul   03 AM
34
38
Wed, 01 Jul   04 AM
32
37
Wed, 01 Jul   05 AM
30
36
Wed, 01 Jul   06 AM
27
34
Wed, 01 Jul   07 AM
24
32
Wed, 01 Jul   08 AM
23
30
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, 30 Jun  06 AM
0
1
Tue, 30 Jun  07 AM
0
0
Tue, 30 Jun  08 AM
0
1
Tue, 30 Jun  09 AM
0
1
Tue, 30 Jun  10 AM
0
1
Tue, 30 Jun  11 AM
0
2
Tue, 30 Jun  12 PM
0
2
Tue, 30 Jun  01 PM
0
1
Tue, 30 Jun  02 PM
0
1
Tue, 30 Jun  03 PM
0
1
Tue, 30 Jun  04 PM
0
1
Tue, 30 Jun  05 PM
0
4
Tue, 30 Jun  06 PM
0
3
Tue, 30 Jun  07 PM
0
10
Tue, 30 Jun  08 PM
2
6
Tue, 30 Jun  09 PM
0
4
Tue, 30 Jun  10 PM
0
3
Tue, 30 Jun  11 PM
0
4
Wed, 01 Jul  12 AM
0
4
Wed, 01 Jul  01 AM
0
6

National Weather Service Air Quality Program Page
Environmental Protection Agency AirNow Forecast Page
Graphical Air Quality Forecast Guidance
FAQ


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