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 05/05, 4Z)
45
44
*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
Wed, 04 May  05 PM
44
43
Wed, 04 May  06 PM
44
44
Wed, 04 May  07 PM
43
44
Wed, 04 May   08 PM
38
43
Wed, 04 May   09 PM
36
42
Wed, 04 May   10 PM
33
41
Wed, 04 May   11 PM
31
39
Thu, 05 May   12 AM
29
37
Thu, 05 May   01 AM
26
35
Thu, 05 May   02 AM
24
32
Thu, 05 May   03 AM
22
30
Thu, 05 May   04 AM
21
28
Thu, 05 May   05 AM
23
26
Thu, 05 May   06 AM
27
26
Thu, 05 May   07 AM
34
26
Thu, 05 May   08 AM
40
27
Thu, 05 May   09 AM
41
29
Thu, 05 May   10 AM
41
31
Thu, 05 May   11 AM
41
34
Thu, 05 May   12 PM
44
36
Thu, 05 May   01 PM
46
39
Thu, 05 May   02 PM
46
42
Thu, 05 May   03 PM
47
43
Thu, 05 May   04 PM
48
44
Thu, 05 May   05 PM
48
45
Thu, 05 May   06 PM
48
46
Thu, 05 May   07 PM
48
47
Thu, 05 May   08 PM
45
47
Thu, 05 May   09 PM
44
47
Thu, 05 May   10 PM
44
46
Thu, 05 May   11 PM
46
46
Fri, 06 May   12 AM
47
46
Fri, 06 May   01 AM
46
46
Fri, 06 May   02 AM
46
46
Fri, 06 May   03 AM
45
45
Fri, 06 May   04 AM
43
45
Fri, 06 May   05 AM
41
45
Fri, 06 May   06 AM
41
44
Fri, 06 May   07 AM
41
44
Fri, 06 May   08 AM
43
43
Smoke
Ending Time
(Local Time)
1 Hour Surface Smoke (µg/m³)
06Z Model Run
1 Hour Column-Integrated
Smoke (µg/m³)

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