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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 02/02, 4Z)
24
21
*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, 01 Feb  05 PM
13
20
Sun, 01 Feb  06 PM
8
19
Sun, 01 Feb   07 PM
10
18
Sun, 01 Feb   08 PM
14
17
Sun, 01 Feb   09 PM
16
16
Sun, 01 Feb   10 PM
17
15
Sun, 01 Feb   11 PM
20
15
Mon, 02 Feb   12 AM
23
15
Mon, 02 Feb   01 AM
24
16
Mon, 02 Feb   02 AM
24
18
Mon, 02 Feb   03 AM
21
20
Mon, 02 Feb   04 AM
18
20
Mon, 02 Feb   05 AM
16
20
Mon, 02 Feb   06 AM
16
20
Mon, 02 Feb   07 AM
16
20
Mon, 02 Feb   08 AM
19
19
Mon, 02 Feb   09 AM
23
19
Mon, 02 Feb   10 AM
27
20
Mon, 02 Feb   11 AM
30
21
Mon, 02 Feb   12 PM
32
22
Mon, 02 Feb   01 PM
28
24
Mon, 02 Feb   02 PM
26
25
Mon, 02 Feb   03 PM
26
26
Mon, 02 Feb   04 PM
26
27
Mon, 02 Feb   05 PM
26
28
Mon, 02 Feb   06 PM
26
28
Mon, 02 Feb   07 PM
27
27
Mon, 02 Feb   08 PM
28
27
Mon, 02 Feb   09 PM
28
27
Mon, 02 Feb   10 PM
28
27
Mon, 02 Feb   11 PM
27
27
Tue, 03 Feb   12 AM
28
27
Tue, 03 Feb   01 AM
28
28
Tue, 03 Feb   02 AM
28
28
Tue, 03 Feb   03 AM
27
28
Tue, 03 Feb   04 AM
25
27
Tue, 03 Feb   05 AM
22
27
Tue, 03 Feb   06 AM
19
26
Tue, 03 Feb   07 AM
17
24
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, 01 Feb  05 PM
0
0
Sun, 01 Feb  06 PM
0
0
Sun, 01 Feb  07 PM
0
1
Sun, 01 Feb  08 PM
0
0
Sun, 01 Feb  09 PM
0
0
Sun, 01 Feb  10 PM
0
0
Sun, 01 Feb  11 PM
0
0
Mon, 02 Feb  12 AM
0
0
Mon, 02 Feb  01 AM
0
0
Mon, 02 Feb  02 AM
0
0
Mon, 02 Feb  03 AM
0
0
Mon, 02 Feb  04 AM
0
0
Mon, 02 Feb  05 AM
0
0
Mon, 02 Feb  06 AM
0
0
Mon, 02 Feb  07 AM
0
0
Mon, 02 Feb  08 AM
0
0
Mon, 02 Feb  09 AM
0
0
Mon, 02 Feb  10 AM
0
0
Mon, 02 Feb  11 AM
0
0
Mon, 02 Feb  12 PM
0
0
Mon, 02 Feb  01 PM
0
0
Mon, 02 Feb  02 PM
0
0
Mon, 02 Feb  03 PM
0
0
Mon, 02 Feb  04 PM
0
0
Mon, 02 Feb  05 PM
0
0
Mon, 02 Feb  06 PM
0
0
Mon, 02 Feb  07 PM
0
0
Mon, 02 Feb  08 PM
0
0
Mon, 02 Feb  09 PM
0
0
Mon, 02 Feb  10 PM
0
0
Mon, 02 Feb  11 PM
0
0
Tue, 03 Feb  12 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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