Air Quality Forecast Guidance for Yorktown, VA

Displayed below are NOAA-EPA Air Quality Forecast Guidance values for
latitude: 37.23 N, longitude: 76.51 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)
59
56
*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, 29 Jun  05 PM
56
53
Wed, 29 Jun  06 PM
59
55
Wed, 29 Jun  07 PM
58
56
Wed, 29 Jun   08 PM
48
56
Wed, 29 Jun   09 PM
42
54
Wed, 29 Jun   10 PM
38
52
Wed, 29 Jun   11 PM
38
49
Thu, 30 Jun   12 AM
35
47
Thu, 30 Jun   01 AM
30
44
Thu, 30 Jun   02 AM
26
39
Thu, 30 Jun   03 AM
23
35
Thu, 30 Jun   04 AM
22
32
Thu, 30 Jun   05 AM
23
29
Thu, 30 Jun   06 AM
22
27
Thu, 30 Jun   07 AM
19
25
Thu, 30 Jun   08 AM
25
24
Thu, 30 Jun   09 AM
29
24
Thu, 30 Jun   10 AM
32
24
Thu, 30 Jun   11 AM
37
26
Thu, 30 Jun   12 PM
41
28
Thu, 30 Jun   01 PM
43
31
Thu, 30 Jun   02 PM
44
34
Thu, 30 Jun   03 PM
45
37
Thu, 30 Jun   04 PM
48
40
Thu, 30 Jun   05 PM
55
43
Thu, 30 Jun   06 PM
53
46
Thu, 30 Jun   07 PM
41
46
Thu, 30 Jun   08 PM
37
46
Thu, 30 Jun   09 PM
31
44
Thu, 30 Jun   10 PM
25
42
Thu, 30 Jun   11 PM
24
39
Fri, 01 Jul   12 AM
23
36
Fri, 01 Jul   01 AM
23
32
Fri, 01 Jul   02 AM
20
28
Fri, 01 Jul   03 AM
18
25
Fri, 01 Jul   04 AM
16
23
Fri, 01 Jul   05 AM
14
20
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, 29 Jun  05 PM
0
0
Wed, 29 Jun  06 PM
0
0
Wed, 29 Jun  07 PM
0
0
Wed, 29 Jun  08 PM
0
0
Wed, 29 Jun  09 PM
0
0
Wed, 29 Jun  10 PM
0
0
Wed, 29 Jun  11 PM
0
0
Thu, 30 Jun  12 AM
0
0
Thu, 30 Jun  01 AM
0
0
Thu, 30 Jun  02 AM
0
0
Thu, 30 Jun  03 AM
0
0
Thu, 30 Jun  04 AM
0
0
Thu, 30 Jun  05 AM
0
0
Thu, 30 Jun  06 AM
0
0
Thu, 30 Jun  07 AM
0
0
Thu, 30 Jun  08 AM
0
0
Thu, 30 Jun  09 AM
0
0
Thu, 30 Jun  10 AM
0
0
Thu, 30 Jun  11 AM
0
0
Thu, 30 Jun  12 PM
0
0
Thu, 30 Jun  01 PM
0
0
Thu, 30 Jun  02 PM
0
0
Thu, 30 Jun  03 PM
0
0
Thu, 30 Jun  04 PM
0
0
Thu, 30 Jun  05 PM
0
0
Thu, 30 Jun  06 PM
0
0
Thu, 30 Jun  07 PM
0
0
Thu, 30 Jun  08 PM
0
0
Thu, 30 Jun  09 PM
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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