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Air Quality Forecast Guidance for Winnebago, IL

Displayed below are NOAA-EPA Air Quality Forecast Guidance values for
latitude: 42.32 N, longitude: 89.17 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 10/31, 4Z)
36
31
*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
Thu, 30 Oct  03 PM
36
25
Thu, 30 Oct  04 PM
36
28
Thu, 30 Oct  05 PM
31
30
Thu, 30 Oct  06 PM
24
31
Thu, 30 Oct   07 PM
21
31
Thu, 30 Oct   08 PM
20
30
Thu, 30 Oct   09 PM
20
28
Thu, 30 Oct   10 PM
20
26
Thu, 30 Oct   11 PM
21
24
Fri, 31 Oct   12 AM
25
23
Fri, 31 Oct   01 AM
30
23
Fri, 31 Oct   02 AM
32
24
Fri, 31 Oct   03 AM
34
25
Fri, 31 Oct   04 AM
34
27
Fri, 31 Oct   05 AM
35
29
Fri, 31 Oct   06 AM
35
31
Fri, 31 Oct   07 AM
34
32
Fri, 31 Oct   08 AM
34
33
Fri, 31 Oct   09 AM
34
34
Fri, 31 Oct   10 AM
35
34
Fri, 31 Oct   11 AM
38
35
Fri, 31 Oct   12 PM
40
36
Fri, 31 Oct   01 PM
41
36
Fri, 31 Oct   02 PM
42
37
Fri, 31 Oct   03 PM
42
38
Fri, 31 Oct   04 PM
42
39
Fri, 31 Oct   05 PM
42
40
Fri, 31 Oct   06 PM
41
41
Fri, 31 Oct   07 PM
40
41
Fri, 31 Oct   08 PM
38
41
Fri, 31 Oct   09 PM
38
40
Fri, 31 Oct   10 PM
38
40
Fri, 31 Oct   11 PM
38
39
Sat, 01 Nov   12 AM
37
39
Sat, 01 Nov   01 AM
37
38
Sat, 01 Nov   02 AM
37
38
Sat, 01 Nov   03 AM
36
37
Sat, 01 Nov   04 AM
36
37
Sat, 01 Nov   05 AM
35
37
Sat, 01 Nov   06 AM
34
36
Sat, 01 Nov   07 AM
33
36
Smoke
Ending Time
(Local Time)
1 Hour Surface Smoke (µg/m³)
06Z Model Run
1 Hour Column-Integrated
Smoke (µg/m³)

06Z Model Run
Thu, 30 Oct  12 PM
0
0
Thu, 30 Oct  01 PM
0
0
Thu, 30 Oct  02 PM
0
0
Thu, 30 Oct  03 PM
0
0
Thu, 30 Oct  04 PM
0
0
Thu, 30 Oct  05 PM
0
0
Thu, 30 Oct  06 PM
0
0
Thu, 30 Oct  07 PM
0
0
Thu, 30 Oct  08 PM
0
0
Thu, 30 Oct  09 PM
0
0
Thu, 30 Oct  10 PM
0
0
Thu, 30 Oct  11 PM
0
0
Fri, 31 Oct  12 AM
0
0
Fri, 31 Oct  01 AM
0
0
Fri, 31 Oct  02 AM
0
0
Fri, 31 Oct  03 AM
0
0
Fri, 31 Oct  04 AM
0
0
Fri, 31 Oct  05 AM
0
0
Fri, 31 Oct  06 AM
0
0
Fri, 31 Oct  07 AM
0
0
Fri, 31 Oct  08 AM
0
0
Fri, 31 Oct  09 AM
0
0
Fri, 31 Oct  10 AM
0
0
Fri, 31 Oct  11 AM
0
0
Fri, 31 Oct  12 PM
0
0
Fri, 31 Oct  01 PM
0
0
Fri, 31 Oct  02 PM
0
0
Fri, 31 Oct  03 PM
0
0
Fri, 31 Oct  04 PM
0
0
Fri, 31 Oct  05 PM
0
0
Fri, 31 Oct  06 PM
0
0
Fri, 31 Oct  07 PM
0
0
Fri, 31 Oct  08 PM
0
0
Fri, 31 Oct  09 PM
0
0
Fri, 31 Oct  10 PM
0
0
Fri, 31 Oct  11 PM
0
0
Sat, 01 Nov  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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