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 05/28, 4Z)
45
41
*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, 27 May  03 PM
44
36
Fri, 27 May  04 PM
41
39
Fri, 27 May  05 PM
38
41
Fri, 27 May  06 PM
36
41
Fri, 27 May   07 PM
35
40
Fri, 27 May   08 PM
35
40
Fri, 27 May   09 PM
34
38
Fri, 27 May   10 PM
30
37
Fri, 27 May   11 PM
26
34
Sat, 28 May   12 AM
28
33
Sat, 28 May   01 AM
33
32
Sat, 28 May   02 AM
34
32
Sat, 28 May   03 AM
33
32
Sat, 28 May   04 AM
32
32
Sat, 28 May   05 AM
32
31
Sat, 28 May   06 AM
31
31
Sat, 28 May   07 AM
31
32
Sat, 28 May   08 AM
31
32
Sat, 28 May   09 AM
31
32
Sat, 28 May   10 AM
34
32
Sat, 28 May   11 AM
39
33
Sat, 28 May   12 PM
43
34
Sat, 28 May   01 PM
46
36
Sat, 28 May   02 PM
46
37
Sat, 28 May   03 PM
43
39
Sat, 28 May   04 PM
38
40
Sat, 28 May   05 PM
34
40
Sat, 28 May   06 PM
30
40
Sat, 28 May   07 PM
30
39
Sat, 28 May   08 PM
28
37
Sat, 28 May   09 PM
27
34
Sat, 28 May   10 PM
28
32
Sat, 28 May   11 PM
28
30
Sun, 29 May   12 AM
29
29
Sun, 29 May   01 AM
29
29
Sun, 29 May   02 AM
30
29
Sun, 29 May   03 AM
28
28
Sun, 29 May   04 AM
29
29
Sun, 29 May   05 AM
30
29
Sun, 29 May   06 AM
28
29
Sun, 29 May   07 AM
28
29
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, 27 May  03 PM
0
0
Fri, 27 May  04 PM
0
0
Fri, 27 May  05 PM
0
0
Fri, 27 May  06 PM
0
0
Fri, 27 May  07 PM
0
0
Fri, 27 May  08 PM
0
0
Fri, 27 May  09 PM
0
0
Fri, 27 May  10 PM
0
0
Fri, 27 May  11 PM
0
0
Sat, 28 May  12 AM
0
0
Sat, 28 May  01 AM
0
0
Sat, 28 May  02 AM
0
0
Sat, 28 May  03 AM
0
0
Sat, 28 May  04 AM
0
0
Sat, 28 May  05 AM
0
0
Sat, 28 May  06 AM
0
0
Sat, 28 May  07 AM
0
0
Sat, 28 May  08 AM
0
0
Sat, 28 May  09 AM
0
0
Sat, 28 May  10 AM
0
0
Sat, 28 May  11 AM
0
0
Sat, 28 May  12 PM
0
0
Sat, 28 May  01 PM
0
0
Sat, 28 May  02 PM
0
0
Sat, 28 May  03 PM
0
0
Sat, 28 May  04 PM
0
0
Sat, 28 May  05 PM
0
0
Sat, 28 May  06 PM
0
0
Sat, 28 May  07 PM
0
0
Sat, 28 May  08 PM
0
0
Sat, 28 May  09 PM
0
0
Sat, 28 May  10 PM
0
0
Sat, 28 May  11 PM
0
0
Sun, 29 May  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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