Air Quality Forecast Guidance for Thurmont, MD

Displayed below are NOAA-EPA Air Quality Forecast Guidance values for
latitude: 39.62 N, longitude: 77.41 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 08/31, 4Z)
57
52
*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 Aug  10 PM
37
50
Tue, 30 Aug  11 PM
33
47
Wed, 31 Aug  12 AM
30
44
Wed, 31 Aug  01 AM
28
40
Wed, 31 Aug  02 AM
26
36
Wed, 31 Aug  03 AM
26
33
Wed, 31 Aug  04 AM
28
31
Wed, 31 Aug  05 AM
28
30
Wed, 31 Aug  06 AM
28
28
Wed, 31 Aug  07 AM
27
28
Wed, 31 Aug  08 AM
29
27
Wed, 31 Aug  09 AM
39
29
Wed, 31 Aug  10 AM
49
32
Wed, 31 Aug  11 AM
59
36
Wed, 31 Aug  12 PM
61
40
Wed, 31 Aug  01 PM
61
44
Wed, 31 Aug  02 PM
61
48
Wed, 31 Aug  03 PM
62
53
Wed, 31 Aug  04 PM
64
57
Wed, 31 Aug  05 PM
66
61
Wed, 31 Aug  06 PM
68
63
Wed, 31 Aug  07 PM
68
64
Wed, 31 Aug   08 PM
61
64
Wed, 31 Aug   09 PM
53
63
Wed, 31 Aug   10 PM
50
62
Wed, 31 Aug   11 PM
50
60
Thu, 01 Sep   12 AM
46
58
Thu, 01 Sep   01 AM
41
55
Thu, 01 Sep   02 AM
36
51
Thu, 01 Sep   03 AM
32
46
Thu, 01 Sep   04 AM
35
43
Thu, 01 Sep   05 AM
44
42
Thu, 01 Sep   06 AM
45
41
Thu, 01 Sep   07 AM
44
40
Thu, 01 Sep   08 AM
42
40
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 Aug  10 PM
0
0
Tue, 30 Aug  11 PM
0
0
Wed, 31 Aug  12 AM
0
0
Wed, 31 Aug  01 AM
0
0
Wed, 31 Aug  02 AM
0
0
Wed, 31 Aug  03 AM
0
0
Wed, 31 Aug  04 AM
0
0
Wed, 31 Aug  05 AM
0
0
Wed, 31 Aug  06 AM
0
0
Wed, 31 Aug  07 AM
0
0
Wed, 31 Aug  08 AM
0
0
Wed, 31 Aug  09 AM
0
0
Wed, 31 Aug  10 AM
0
0
Wed, 31 Aug  11 AM
0
0
Wed, 31 Aug  12 PM
0
0
Wed, 31 Aug  01 PM
0
0
Wed, 31 Aug  02 PM
0
0
Wed, 31 Aug  03 PM
0
0
Wed, 31 Aug  04 PM
0
0
Wed, 31 Aug  05 PM
0
0
Wed, 31 Aug  06 PM
0
0
Wed, 31 Aug  07 PM
0
0
Wed, 31 Aug  08 PM
0
0
Wed, 31 Aug  09 PM
0
0
Wed, 31 Aug  10 PM
0
0
Wed, 31 Aug  11 PM
0
0
Thu, 01 Sep  12 AM
0
0
Thu, 01 Sep  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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