Air Quality Forecast Guidance for Washington, IN

Displayed below are NOAA-EPA Air Quality Forecast Guidance values for
latitude: 38.67 N, longitude: 87.14 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 05/17, 4Z)
47
45
*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
Mon, 16 May  10 AM
33
29
Mon, 16 May  11 AM
35
29
Mon, 16 May  12 PM
40
30
Mon, 16 May  01 PM
45
32
Mon, 16 May  02 PM
46
35
Mon, 16 May  03 PM
45
38
Mon, 16 May  04 PM
46
40
Mon, 16 May  05 PM
47
42
Mon, 16 May  06 PM
47
44
Mon, 16 May   07 PM
43
45
Mon, 16 May   08 PM
36
44
Mon, 16 May   09 PM
28
42
Mon, 16 May   10 PM
21
39
Mon, 16 May   11 PM
16
36
Tue, 17 May   12 AM
12
31
Tue, 17 May   01 AM
8
26
Tue, 17 May   02 AM
5
21
Tue, 17 May   03 AM
2
16
Tue, 17 May   04 AM
4
12
Tue, 17 May   05 AM
3
9
Tue, 17 May   06 AM
3
7
Tue, 17 May   07 AM
5
5
Tue, 17 May   08 AM
9
5
Tue, 17 May   09 AM
22
7
Tue, 17 May   10 AM
35
10
Tue, 17 May   11 AM
40
15
Tue, 17 May   12 PM
45
20
Tue, 17 May   01 PM
48
26
Tue, 17 May   02 PM
52
32
Tue, 17 May   03 PM
54
38
Tue, 17 May   04 PM
54
44
Tue, 17 May   05 PM
54
48
Tue, 17 May   06 PM
54
50
Tue, 17 May   07 PM
51
51
Tue, 17 May   08 PM
43
51
Tue, 17 May   09 PM
37
50
Tue, 17 May   10 PM
31
47
Tue, 17 May   11 PM
24
43
Wed, 18 May   12 AM
22
40
Wed, 18 May   01 AM
24
36
Wed, 18 May   02 AM
25
32
Wed, 18 May   03 AM
23
29
Wed, 18 May   04 AM
25
26
Smoke
Ending Time
(Local Time)
1 Hour Surface Smoke (µg/m³)
06Z Model Run
1 Hour Column-Integrated
Smoke (µg/m³)
06Z Model Run
Mon, 16 May  10 AM
0
0
Mon, 16 May  11 AM
0
0
Mon, 16 May  12 PM
0
0
Mon, 16 May  01 PM
0
0
Mon, 16 May  02 PM
0
0
Mon, 16 May  03 PM
0
0
Mon, 16 May  04 PM
0
0
Mon, 16 May  05 PM
0
0
Mon, 16 May  06 PM
0
0
Mon, 16 May  07 PM
0
0
Mon, 16 May  08 PM
0
0
Mon, 16 May  09 PM
0
0
Mon, 16 May  10 PM
0
0
Mon, 16 May  11 PM
0
0
Tue, 17 May  12 AM
0
0
Tue, 17 May  01 AM
0
0
Tue, 17 May  02 AM
0
0
Tue, 17 May  03 AM
0
0
Tue, 17 May  04 AM
0
0
Tue, 17 May  05 AM
0
0
Tue, 17 May  06 AM
0
0
Tue, 17 May  07 AM
0
0
Tue, 17 May  08 AM
0
0
Tue, 17 May  09 AM
0
0
Tue, 17 May  10 AM
0
0
Tue, 17 May  11 AM
0
0
Tue, 17 May  12 PM
0
0
Tue, 17 May  01 PM
0
0
Tue, 17 May  02 PM
0
0
Tue, 17 May  03 PM
0
0
Tue, 17 May  04 PM
0
2
Tue, 17 May  05 PM
0
0
Tue, 17 May  06 PM
0
1
Tue, 17 May  07 PM
0
1
Tue, 17 May  08 PM
0
2
Tue, 17 May  09 PM
0
1
Tue, 17 May  10 PM
0
0
Tue, 17 May  11 PM
0
0
Wed, 18 May  12 AM
0
2
National Weather Service Air Quality Program Page
Environmental Protection Agency AirNow Forecast Page
Graphical Air Quality Forecast Guidance
FAQ

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