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 10/25, 4Z)
22
15
*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, 24 Oct  04 PM
20
13
Fri, 24 Oct  05 PM
12
14
Fri, 24 Oct  06 PM
2
14
Fri, 24 Oct   07 PM
0
13
Fri, 24 Oct   08 PM
0
12
Fri, 24 Oct   09 PM
0
10
Fri, 24 Oct   10 PM
0
7
Fri, 24 Oct   11 PM
1
5
Sat, 25 Oct   12 AM
8
3
Sat, 25 Oct   01 AM
16
3
Sat, 25 Oct   02 AM
16
5
Sat, 25 Oct   03 AM
15
7
Sat, 25 Oct   04 AM
17
9
Sat, 25 Oct   05 AM
20
12
Sat, 25 Oct   06 AM
19
14
Sat, 25 Oct   07 AM
16
16
Sat, 25 Oct   08 AM
13
16
Sat, 25 Oct   09 AM
14
16
Sat, 25 Oct   10 AM
19
16
Sat, 25 Oct   11 AM
22
17
Sat, 25 Oct   12 PM
24
18
Sat, 25 Oct   01 PM
26
19
Sat, 25 Oct   02 PM
29
20
Sat, 25 Oct   03 PM
32
22
Sat, 25 Oct   04 PM
31
25
Sat, 25 Oct   05 PM
24
26
Sat, 25 Oct   06 PM
17
26
Sat, 25 Oct   07 PM
10
24
Sat, 25 Oct   08 PM
11
23
Sat, 25 Oct   09 PM
15
21
Sat, 25 Oct   10 PM
17
20
Sat, 25 Oct   11 PM
17
18
Sun, 26 Oct   12 AM
16
16
Sun, 26 Oct   01 AM
13
15
Sun, 26 Oct   02 AM
10
14
Sun, 26 Oct   03 AM
8
13
Sun, 26 Oct   04 AM
6
13
Sun, 26 Oct   05 AM
4
11
Sun, 26 Oct   06 AM
2
9
Sun, 26 Oct   07 AM
0
7
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, 24 Oct  04 PM
0
0
Fri, 24 Oct  05 PM
0
0
Fri, 24 Oct  06 PM
0
0
Fri, 24 Oct  07 PM
0
0
Fri, 24 Oct  08 PM
0
0
Fri, 24 Oct  09 PM
0
0
Fri, 24 Oct  10 PM
0
0
Fri, 24 Oct  11 PM
0
0
Sat, 25 Oct  12 AM
0
0
Sat, 25 Oct  01 AM
0
0
Sat, 25 Oct  02 AM
0
0
Sat, 25 Oct  03 AM
0
0
Sat, 25 Oct  04 AM
0
0
Sat, 25 Oct  05 AM
0
0
Sat, 25 Oct  06 AM
0
0
Sat, 25 Oct  07 AM
0
0
Sat, 25 Oct  08 AM
0
0
Sat, 25 Oct  09 AM
0
0
Sat, 25 Oct  10 AM
0
0
Sat, 25 Oct  11 AM
0
0
Sat, 25 Oct  12 PM
0
0
Sat, 25 Oct  01 PM
0
0
Sat, 25 Oct  02 PM
0
0
Sat, 25 Oct  03 PM
0
0
Sat, 25 Oct  04 PM
0
0
Sat, 25 Oct  05 PM
0
0
Sat, 25 Oct  06 PM
0
0
Sat, 25 Oct  07 PM
0
0
Sat, 25 Oct  08 PM
0
0
Sat, 25 Oct  09 PM
0
0
Sat, 25 Oct  10 PM
0
0
Sat, 25 Oct  11 PM
0
0
Sun, 26 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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