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Air Quality Forecast Guidance for Douglas Park, IL

Displayed below are NOAA-EPA Air Quality Forecast Guidance values for
latitude: 41.84 N, longitude: 87.69 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 08/23, 4Z)
46
32
*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
Fri, 22 Aug  03 PM
40
21
Fri, 22 Aug  04 PM
43
26
Fri, 22 Aug  05 PM
41
30
Fri, 22 Aug  06 PM
29
31
Fri, 22 Aug   07 PM
16
31
Fri, 22 Aug   08 PM
10
30
Fri, 22 Aug   09 PM
2
27
Fri, 22 Aug   10 PM
0
23
Fri, 22 Aug   11 PM
0
17
Sat, 23 Aug   12 AM
0
11
Sat, 23 Aug   01 AM
0
6
Sat, 23 Aug   02 AM
14
4
Sat, 23 Aug   03 AM
22
5
Sat, 23 Aug   04 AM
15
6
Sat, 23 Aug   05 AM
5
6
Sat, 23 Aug   06 AM
1
6
Sat, 23 Aug   07 AM
2
7
Sat, 23 Aug   08 AM
4
8
Sat, 23 Aug   09 AM
11
9
Sat, 23 Aug   10 AM
18
10
Sat, 23 Aug   11 AM
29
10
Sat, 23 Aug   12 PM
40
14
Sat, 23 Aug   01 PM
46
19
Sat, 23 Aug   02 PM
47
24
Sat, 23 Aug   03 PM
44
30
Sat, 23 Aug   04 PM
41
35
Sat, 23 Aug   05 PM
34
38
Sat, 23 Aug   06 PM
28
39
Sat, 23 Aug   07 PM
26
38
Sat, 23 Aug   08 PM
27
37
Sat, 23 Aug   09 PM
24
34
Sat, 23 Aug   10 PM
30
32
Sat, 23 Aug   11 PM
25
30
Sun, 24 Aug   12 AM
21
27
Sun, 24 Aug   01 AM
22
25
Sun, 24 Aug   02 AM
22
25
Sun, 24 Aug   03 AM
15
23
Sun, 24 Aug   04 AM
6
21
Sun, 24 Aug   05 AM
7
18
Sun, 24 Aug   06 AM
10
16
Sun, 24 Aug   07 AM
13
14
Smoke
Ending Time
(Local Time)
1 Hour Surface Smoke (µg/m³)
06Z Model Run
1 Hour Column-Integrated
Smoke (µg/m³)

06Z Model Run
Fri, 22 Aug  02 PM
0
0
Fri, 22 Aug  03 PM
0
0
Fri, 22 Aug  04 PM
0
0
Fri, 22 Aug  05 PM
0
0
Fri, 22 Aug  06 PM
0
0
Fri, 22 Aug  07 PM
0
0
Fri, 22 Aug  08 PM
0
0
Fri, 22 Aug  09 PM
0
0
Fri, 22 Aug  10 PM
0
0
Fri, 22 Aug  11 PM
0
0
Sat, 23 Aug  12 AM
0
0
Sat, 23 Aug  01 AM
0
0
Sat, 23 Aug  02 AM
0
0
Sat, 23 Aug  03 AM
0
0
Sat, 23 Aug  04 AM
0
0
Sat, 23 Aug  05 AM
0
0
Sat, 23 Aug  06 AM
0
0
Sat, 23 Aug  07 AM
0
0
Sat, 23 Aug  08 AM
0
0
Sat, 23 Aug  09 AM
0
0
Sat, 23 Aug  10 AM
0
0
Sat, 23 Aug  11 AM
0
0
Sat, 23 Aug  12 PM
0
0
Sat, 23 Aug  01 PM
0
0
Sat, 23 Aug  02 PM
0
0
Sat, 23 Aug  03 PM
0
0
Sat, 23 Aug  04 PM
0
0
Sat, 23 Aug  05 PM
0
0
Sat, 23 Aug  06 PM
0
0
Sat, 23 Aug  07 PM
0
0
Sat, 23 Aug  08 PM
0
0
Sat, 23 Aug  09 PM
0
0
Sat, 23 Aug  10 PM
0
0
Sat, 23 Aug  11 PM
0
0
Sun, 24 Aug  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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