Air Quality Forecast Guidance for Catholic University, DC

Displayed below are NOAA-EPA Air Quality Forecast Guidance values for
latitude: 38.93 N, longitude: 77.02 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 02/08, 4Z)
22
18
*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)

6Z Model Run
8 Hour Average Ozone
Concentration (PPB)

6Z Model Run
Sun, 07 Feb  10 AM
13
12
Sun, 07 Feb  11 AM
16
12
Sun, 07 Feb  12 PM
18
13
Sun, 07 Feb  01 PM
21
14
Sun, 07 Feb  02 PM
22
15
Sun, 07 Feb  03 PM
21
17
Sun, 07 Feb  04 PM
17
18
Sun, 07 Feb  05 PM
9
17
Sun, 07 Feb  06 PM
2
16
Sun, 07 Feb   07 PM
0
14
Sun, 07 Feb   08 PM
0
12
Sun, 07 Feb   09 PM
1
9
Sun, 07 Feb   10 PM
1
6
Sun, 07 Feb   11 PM
2
4
Mon, 08 Feb   12 AM
3
2
Mon, 08 Feb   01 AM
4
2
Mon, 08 Feb   02 AM
6
2
Mon, 08 Feb   03 AM
7
3
Mon, 08 Feb   04 AM
7
4
Mon, 08 Feb   05 AM
4
4
Mon, 08 Feb   06 AM
2
4
Mon, 08 Feb   07 AM
2
4
Mon, 08 Feb   08 AM
5
4
Mon, 08 Feb   09 AM
7
5
Mon, 08 Feb   10 AM
9
5
Mon, 08 Feb   11 AM
12
6
Mon, 08 Feb   12 PM
16
7
Mon, 08 Feb   01 PM
21
9
Mon, 08 Feb   02 PM
22
12
Mon, 08 Feb   03 PM
25
14
Mon, 08 Feb   04 PM
26
17
Mon, 08 Feb   05 PM
21
19
Mon, 08 Feb   06 PM
10
19
Mon, 08 Feb   07 PM
7
18
Mon, 08 Feb   08 PM
8
18
Mon, 08 Feb   09 PM
14
17
Mon, 08 Feb   10 PM
21
16
Mon, 08 Feb   11 PM
25
16
Tue, 09 Feb   12 AM
28
17
Tue, 09 Feb   01 AM
27
18
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, 07 Feb  10 AM
0
0
Sun, 07 Feb  11 AM
0
0
Sun, 07 Feb  12 PM
0
0
Sun, 07 Feb  01 PM
0
0
Sun, 07 Feb  02 PM
0
0
Sun, 07 Feb  03 PM
0
0
Sun, 07 Feb  04 PM
0
0
Sun, 07 Feb  05 PM
0
0
Sun, 07 Feb  06 PM
0
0
Sun, 07 Feb  07 PM
0
0
Sun, 07 Feb  08 PM
0
0
Sun, 07 Feb  09 PM
0
0
Sun, 07 Feb  10 PM
0
0
Sun, 07 Feb  11 PM
0
0
Mon, 08 Feb  12 AM
0
0
Mon, 08 Feb  01 AM
0
0
Mon, 08 Feb  02 AM
0
0
Mon, 08 Feb  03 AM
0
0
Mon, 08 Feb  04 AM
0
0
Mon, 08 Feb  05 AM
0
0
Mon, 08 Feb  06 AM
0
0
Mon, 08 Feb  07 AM
0
0
Mon, 08 Feb  08 AM
0
0
Mon, 08 Feb  09 AM
0
0
Mon, 08 Feb  10 AM
0
0
Mon, 08 Feb  11 AM
0
0
Mon, 08 Feb  12 PM
0
0
Mon, 08 Feb  01 PM
0
0
Mon, 08 Feb  02 PM
0
0
Mon, 08 Feb  03 PM
0
0
Mon, 08 Feb  04 PM
0
0
Mon, 08 Feb  05 PM
0
0
Mon, 08 Feb  06 PM
0
0
Mon, 08 Feb  07 PM
0
0
Mon, 08 Feb  08 PM
0
0
Mon, 08 Feb  09 PM
0
0
Mon, 08 Feb  10 PM
0
0
Mon, 08 Feb  11 PM
0
0
Tue, 09 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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