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 10/01, 4Z)
40
36
*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
Fri, 30 Sep  09 AM
29
32
Fri, 30 Sep  10 AM
30
32
Fri, 30 Sep  11 AM
32
32
Fri, 30 Sep  12 PM
35
32
Fri, 30 Sep  01 PM
37
32
Fri, 30 Sep  02 PM
38
33
Fri, 30 Sep  03 PM
40
34
Fri, 30 Sep  04 PM
40
35
Fri, 30 Sep  05 PM
36
36
Fri, 30 Sep  06 PM
32
36
Fri, 30 Sep   07 PM
28
36
Fri, 30 Sep   08 PM
27
35
Fri, 30 Sep   09 PM
28
34
Fri, 30 Sep   10 PM
31
33
Fri, 30 Sep   11 PM
31
32
Sat, 01 Oct   12 AM
32
31
Sat, 01 Oct   01 AM
31
30
Sat, 01 Oct   02 AM
31
30
Sat, 01 Oct   03 AM
31
30
Sat, 01 Oct   04 AM
30
31
Sat, 01 Oct   05 AM
29
31
Sat, 01 Oct   06 AM
26
30
Sat, 01 Oct   07 AM
25
29
Sat, 01 Oct   08 AM
28
29
Sat, 01 Oct   09 AM
28
28
Sat, 01 Oct   10 AM
25
28
Sat, 01 Oct   11 AM
24
27
Sat, 01 Oct   12 PM
23
26
Sat, 01 Oct   01 PM
24
25
Sat, 01 Oct   02 PM
26
25
Sat, 01 Oct   03 PM
28
26
Sat, 01 Oct   04 PM
29
26
Sat, 01 Oct   05 PM
29
26
Sat, 01 Oct   06 PM
25
26
Sat, 01 Oct   07 PM
23
26
Sat, 01 Oct   08 PM
18
25
Sat, 01 Oct   09 PM
18
25
Sat, 01 Oct   10 PM
26
25
Sat, 01 Oct   11 PM
32
25
Sun, 02 Oct   12 AM
33
26
Sun, 02 Oct   01 AM
33
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
Fri, 30 Sep  06 AM
0
0
Fri, 30 Sep  07 AM
0
0
Fri, 30 Sep  08 AM
0
0
Fri, 30 Sep  09 AM
0
0
Fri, 30 Sep  10 AM
0
0
Fri, 30 Sep  11 AM
0
0
Fri, 30 Sep  12 PM
0
0
Fri, 30 Sep  01 PM
0
0
Fri, 30 Sep  02 PM
0
0
Fri, 30 Sep  03 PM
0
0
Fri, 30 Sep  04 PM
0
0
Fri, 30 Sep  05 PM
0
1
Fri, 30 Sep  06 PM
0
0
Fri, 30 Sep  07 PM
0
0
Fri, 30 Sep  08 PM
0
0
Fri, 30 Sep  09 PM
0
0
Fri, 30 Sep  10 PM
0
0
Fri, 30 Sep  11 PM
0
0
Sat, 01 Oct  12 AM
0
0
Sat, 01 Oct  01 AM
0
0
Sat, 01 Oct  02 AM
0
0
Sat, 01 Oct  03 AM
0
0
Sat, 01 Oct  04 AM
0
0
Sat, 01 Oct  05 AM
0
0
Sat, 01 Oct  06 AM
0
0
Sat, 01 Oct  07 AM
0
0
Sat, 01 Oct  08 AM
0
0
Sat, 01 Oct  09 AM
0
0
Sat, 01 Oct  10 AM
0
0
Sat, 01 Oct  11 AM
0
0
Sat, 01 Oct  12 PM
0
0
Sat, 01 Oct  01 PM
0
0
Sat, 01 Oct  02 PM
0
0
Sat, 01 Oct  03 PM
0
0
Sat, 01 Oct  04 PM
0
0
Sat, 01 Oct  05 PM
0
0
Sat, 01 Oct  06 PM
0
0
Sat, 01 Oct  07 PM
0
0
Sat, 01 Oct  08 PM
0
0
Sat, 01 Oct  09 PM
0
0
Sat, 01 Oct  10 PM
0
0
Sat, 01 Oct  11 PM
0
0
Sun, 02 Oct  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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