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 07/29, 4Z)
39
38
*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, 28 Jul  05 PM
34
38
Tue, 28 Jul  06 PM
34
37
Tue, 28 Jul  07 PM
33
36
Tue, 28 Jul   08 PM
33
36
Tue, 28 Jul   09 PM
32
35
Tue, 28 Jul   10 PM
29
34
Tue, 28 Jul   11 PM
25
32
Wed, 29 Jul   12 AM
23
30
Wed, 29 Jul   01 AM
24
29
Wed, 29 Jul   02 AM
24
28
Wed, 29 Jul   03 AM
24
27
Wed, 29 Jul   04 AM
22
25
Wed, 29 Jul   05 AM
20
24
Wed, 29 Jul   06 AM
18
23
Wed, 29 Jul   07 AM
17
22
Wed, 29 Jul   08 AM
19
21
Wed, 29 Jul   09 AM
27
22
Wed, 29 Jul   10 AM
35
23
Wed, 29 Jul   11 AM
38
25
Wed, 29 Jul   12 PM
40
27
Wed, 29 Jul   01 PM
40
29
Wed, 29 Jul   02 PM
40
32
Wed, 29 Jul   03 PM
40
35
Wed, 29 Jul   04 PM
40
38
Wed, 29 Jul   05 PM
41
39
Wed, 29 Jul   06 PM
40
40
Wed, 29 Jul   07 PM
38
40
Wed, 29 Jul   08 PM
35
39
Wed, 29 Jul   09 PM
33
38
Wed, 29 Jul   10 PM
32
37
Wed, 29 Jul   11 PM
32
36
Thu, 30 Jul   12 AM
32
35
Thu, 30 Jul   01 AM
30
34
Thu, 30 Jul   02 AM
30
33
Thu, 30 Jul   03 AM
30
32
Thu, 30 Jul   04 AM
30
31
Thu, 30 Jul   05 AM
28
30
Thu, 30 Jul   06 AM
26
30
Thu, 30 Jul   07 AM
27
29
Thu, 30 Jul   08 AM
26
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
Tue, 28 Jul  05 PM
0
0
Tue, 28 Jul  06 PM
0
0
Tue, 28 Jul  07 PM
0
0
Tue, 28 Jul  08 PM
0
0
Tue, 28 Jul  09 PM
0
0
Tue, 28 Jul  10 PM
0
0
Tue, 28 Jul  11 PM
0
0
Wed, 29 Jul  12 AM
0
0
Wed, 29 Jul  01 AM
0
0
Wed, 29 Jul  02 AM
0
0
Wed, 29 Jul  03 AM
0
0
Wed, 29 Jul  04 AM
0
0
Wed, 29 Jul  05 AM
0
0
Wed, 29 Jul  06 AM
0
0
Wed, 29 Jul  07 AM
0
0
Wed, 29 Jul  08 AM
0
0
Wed, 29 Jul  09 AM
0
0
Wed, 29 Jul  10 AM
0
0
Wed, 29 Jul  11 AM
0
0
Wed, 29 Jul  12 PM
0
0
Wed, 29 Jul  01 PM
0
0
Wed, 29 Jul  02 PM
0
0
Wed, 29 Jul  03 PM
0
0
Wed, 29 Jul  04 PM
0
0
Wed, 29 Jul  05 PM
0
0
Wed, 29 Jul  06 PM
0
0
Wed, 29 Jul  07 PM
0
0
Wed, 29 Jul  08 PM
0
0
Wed, 29 Jul  09 PM
0
0
Wed, 29 Jul  10 PM
0
0
Wed, 29 Jul  11 PM
0
0
Thu, 30 Jul  12 AM
0
0
Thu, 30 Jul  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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