Air Quality Forecast Guidance for Baltmore Washington International, MD

Displayed below are NOAA-EPA Air Quality Forecast Guidance values for
latitude: 39.18 N, longitude: 76.67 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 06/17, 4Z)
45
42
*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, 16 Jun  07 PM
35
41
Wed, 16 Jun   08 PM
35
40
Wed, 16 Jun   09 PM
25
37
Wed, 16 Jun   10 PM
17
34
Wed, 16 Jun   11 PM
15
30
Thu, 17 Jun   12 AM
14
27
Thu, 17 Jun   01 AM
14
24
Thu, 17 Jun   02 AM
13
21
Thu, 17 Jun   03 AM
10
18
Thu, 17 Jun   04 AM
6
14
Thu, 17 Jun   05 AM
10
12
Thu, 17 Jun   06 AM
11
12
Thu, 17 Jun   07 AM
2
10
Thu, 17 Jun   08 AM
11
10
Thu, 17 Jun   09 AM
26
11
Thu, 17 Jun   10 AM
40
15
Thu, 17 Jun   11 AM
48
19
Thu, 17 Jun   12 PM
53
25
Thu, 17 Jun   01 PM
58
31
Thu, 17 Jun   02 PM
58
37
Thu, 17 Jun   03 PM
56
44
Thu, 17 Jun   04 PM
52
49
Thu, 17 Jun   05 PM
51
52
Thu, 17 Jun   06 PM
50
53
Thu, 17 Jun   07 PM
50
53
Thu, 17 Jun   08 PM
43
52
Thu, 17 Jun   09 PM
30
49
Thu, 17 Jun   10 PM
28
45
Thu, 17 Jun   11 PM
32
42
Fri, 18 Jun   12 AM
32
39
Fri, 18 Jun   01 AM
30
37
Fri, 18 Jun   02 AM
30
34
Fri, 18 Jun   03 AM
28
32
Fri, 18 Jun   04 AM
22
29
Fri, 18 Jun   05 AM
20
28
Fri, 18 Jun   06 AM
17
26
Fri, 18 Jun   07 AM
15
24
Fri, 18 Jun   08 AM
21
23
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, 16 Jun  07 PM
0
1
Wed, 16 Jun  08 PM
0
1
Wed, 16 Jun  09 PM
0
1
Wed, 16 Jun  10 PM
2
1
Wed, 16 Jun  11 PM
0
1
Thu, 17 Jun  12 AM
3
1
Thu, 17 Jun  01 AM
3
1
Thu, 17 Jun  02 AM
1
0
Thu, 17 Jun  03 AM
1
0
Thu, 17 Jun  04 AM
0
0
Thu, 17 Jun  05 AM
0
0
Thu, 17 Jun  06 AM
0
0
Thu, 17 Jun  07 AM
0
0
Thu, 17 Jun  08 AM
0
0
Thu, 17 Jun  09 AM
0
0
Thu, 17 Jun  10 AM
0
0
Thu, 17 Jun  11 AM
0
0
Thu, 17 Jun  12 PM
0
0
Thu, 17 Jun  01 PM
0
0
Thu, 17 Jun  02 PM
0
0
Thu, 17 Jun  03 PM
0
0
Thu, 17 Jun  04 PM
0
0
Thu, 17 Jun  05 PM
0
0
Thu, 17 Jun  06 PM
0
0
Thu, 17 Jun  07 PM
0
0
Thu, 17 Jun  08 PM
0
0
Thu, 17 Jun  09 PM
0
0
Thu, 17 Jun  10 PM
0
0
Thu, 17 Jun  11 PM
0
0
Fri, 18 Jun  12 AM
0
0
Fri, 18 Jun  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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