Air Quality Forecast Guidance for Crofton, MD

Displayed below are NOAA-EPA Air Quality Forecast Guidance values for
latitude: 39.01 N, longitude: 76.69 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 08/03, 4Z)
55
49
*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, 03 Aug  06 AM
14
20
Tue, 03 Aug  07 AM
13
18
Tue, 03 Aug  08 AM
10
17
Tue, 03 Aug  09 AM
10
15
Tue, 03 Aug  10 AM
15
15
Tue, 03 Aug  11 AM
22
15
Tue, 03 Aug  12 PM
29
16
Tue, 03 Aug  01 PM
34
18
Tue, 03 Aug  02 PM
40
22
Tue, 03 Aug  03 PM
45
26
Tue, 03 Aug  04 PM
49
30
Tue, 03 Aug  05 PM
51
36
Tue, 03 Aug  06 PM
51
40
Tue, 03 Aug  07 PM
48
43
Tue, 03 Aug   08 PM
40
45
Tue, 03 Aug   09 PM
37
45
Tue, 03 Aug   10 PM
35
44
Tue, 03 Aug   11 PM
31
43
Wed, 04 Aug   12 AM
29
40
Wed, 04 Aug   01 AM
28
37
Wed, 04 Aug   02 AM
25
34
Wed, 04 Aug   03 AM
24
31
Wed, 04 Aug   04 AM
24
29
Wed, 04 Aug   05 AM
23
27
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, 03 Aug  06 AM
0
0
Tue, 03 Aug  07 AM
0
0
Tue, 03 Aug  08 AM
0
0
Tue, 03 Aug  09 AM
0
0
Tue, 03 Aug  10 AM
0
0
Tue, 03 Aug  11 AM
0
0
Tue, 03 Aug  12 PM
0
0
Tue, 03 Aug  01 PM
0
2
Tue, 03 Aug  02 PM
0
0
Tue, 03 Aug  03 PM
0
0
Tue, 03 Aug  04 PM
0
0
Tue, 03 Aug  05 PM
0
0
Tue, 03 Aug  06 PM
0
0
Tue, 03 Aug  07 PM
0
0
Tue, 03 Aug  08 PM
0
0
Tue, 03 Aug  09 PM
0
0
Tue, 03 Aug  10 PM
0
0
Tue, 03 Aug  11 PM
0
0
Wed, 04 Aug  12 AM
0
0
Wed, 04 Aug  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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