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Air Quality Forecast Guidance for Halifax, NC

Displayed below are NOAA-EPA Air Quality Forecast Guidance values for
latitude: 36.25 N, longitude: 77.62 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 05/25, 4Z)
50
49
*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
Sun, 24 May  11 PM
36
42
Mon, 25 May  12 AM
35
41
Mon, 25 May  01 AM
34
39
Mon, 25 May  02 AM
34
37
Mon, 25 May  03 AM
33
36
Mon, 25 May  04 AM
31
34
Mon, 25 May  05 AM
29
33
Mon, 25 May  06 AM
27
32
Mon, 25 May  07 AM
26
31
Mon, 25 May  08 AM
27
30
Mon, 25 May  09 AM
38
30
Mon, 25 May  10 AM
46
32
Mon, 25 May  11 AM
48
34
Mon, 25 May  12 PM
48
36
Mon, 25 May  01 PM
48
38
Mon, 25 May  02 PM
47
41
Mon, 25 May  03 PM
47
44
Mon, 25 May  04 PM
46
46
Mon, 25 May  05 PM
46
47
Mon, 25 May  06 PM
46
47
Mon, 25 May  07 PM
44
46
Mon, 25 May   08 PM
41
46
Mon, 25 May   09 PM
38
44
Mon, 25 May   10 PM
36
43
Mon, 25 May   11 PM
35
41
Tue, 26 May   12 AM
35
40
Tue, 26 May   01 AM
34
38
Tue, 26 May   02 AM
33
37
Tue, 26 May   03 AM
31
35
Tue, 26 May   04 AM
28
34
Tue, 26 May   05 AM
27
32
Tue, 26 May   06 AM
26
31
Tue, 26 May   07 AM
24
30
Tue, 26 May   08 AM
25
28
Smoke
Ending Time
(Local Time)
1 Hour Surface Smoke (µg/m³)
06Z Model Run
1 Hour Column-Integrated
Smoke (µg/m³)

06Z Model Run
Sun, 24 May  11 PM
0
0
Mon, 25 May  12 AM
0
0
Mon, 25 May  01 AM
0
0
Mon, 25 May  02 AM
0
0
Mon, 25 May  03 AM
0
0
Mon, 25 May  04 AM
0
0
Mon, 25 May  05 AM
0
0
Mon, 25 May  06 AM
0
0
Mon, 25 May  07 AM
0
0
Mon, 25 May  08 AM
0
0
Mon, 25 May  09 AM
0
0
Mon, 25 May  10 AM
0
0
Mon, 25 May  11 AM
0
0
Mon, 25 May  12 PM
0
0
Mon, 25 May  01 PM
0
0
Mon, 25 May  02 PM
0
0
Mon, 25 May  03 PM
0
0
Mon, 25 May  04 PM
0
0
Mon, 25 May  05 PM
0
0
Mon, 25 May  06 PM
0
0
Mon, 25 May  07 PM
0
0
Mon, 25 May  08 PM
0
0
Mon, 25 May  09 PM
0
3
Mon, 25 May  10 PM
0
3
Mon, 25 May  11 PM
0
3
Tue, 26 May  12 AM
0
4
Tue, 26 May  01 AM
0
3

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


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