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 08/29, 4Z)
39
34
*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, 28 Aug  09 AM
18
18
Fri, 28 Aug  10 AM
22
18
Fri, 28 Aug  11 AM
30
19
Fri, 28 Aug  12 PM
37
22
Fri, 28 Aug  01 PM
38
24
Fri, 28 Aug  02 PM
32
26
Fri, 28 Aug  03 PM
24
27
Fri, 28 Aug  04 PM
24
28
Fri, 28 Aug  05 PM
39
31
Fri, 28 Aug  06 PM
33
32
Fri, 28 Aug   07 PM
26
32
Fri, 28 Aug   08 PM
28
30
Fri, 28 Aug   09 PM
32
30
Fri, 28 Aug   10 PM
33
30
Fri, 28 Aug   11 PM
33
31
Sat, 29 Aug   12 AM
33
32
Sat, 29 Aug   01 AM
31
31
Sat, 29 Aug   02 AM
32
31
Sat, 29 Aug   03 AM
36
32
Sat, 29 Aug   04 AM
38
34
Sat, 29 Aug   05 AM
35
34
Sat, 29 Aug   06 AM
32
34
Sat, 29 Aug   07 AM
29
33
Sat, 29 Aug   08 AM
27
33
Sat, 29 Aug   09 AM
26
32
Sat, 29 Aug   10 AM
27
31
Sat, 29 Aug   11 AM
32
31
Sat, 29 Aug   12 PM
40
31
Sat, 29 Aug   01 PM
45
32
Sat, 29 Aug   02 PM
47
34
Sat, 29 Aug   03 PM
47
36
Sat, 29 Aug   04 PM
47
39
Sat, 29 Aug   05 PM
47
42
Sat, 29 Aug   06 PM
44
44
Sat, 29 Aug   07 PM
35
44
Sat, 29 Aug   08 PM
32
43
Sat, 29 Aug   09 PM
30
41
Sat, 29 Aug   10 PM
33
39
Sat, 29 Aug   11 PM
32
38
Sun, 30 Aug   12 AM
30
35
Sun, 30 Aug   01 AM
28
33
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, 28 Aug  08 AM
0
1
Fri, 28 Aug  09 AM
0
1
Fri, 28 Aug  10 AM
0
1
Fri, 28 Aug  11 AM
0
0
Fri, 28 Aug  12 PM
0
0
Fri, 28 Aug  01 PM
0
1
Fri, 28 Aug  02 PM
0
1
Fri, 28 Aug  03 PM
0
1
Fri, 28 Aug  04 PM
0
0
Fri, 28 Aug  05 PM
0
0
Fri, 28 Aug  06 PM
0
0
Fri, 28 Aug  07 PM
0
0
Fri, 28 Aug  08 PM
0
0
Fri, 28 Aug  09 PM
0
0
Fri, 28 Aug  10 PM
0
0
Fri, 28 Aug  11 PM
0
0
Sat, 29 Aug  12 AM
0
0
Sat, 29 Aug  01 AM
0
0
Sat, 29 Aug  02 AM
0
0
Sat, 29 Aug  03 AM
0
0
Sat, 29 Aug  04 AM
0
0
Sat, 29 Aug  05 AM
0
0
Sat, 29 Aug  06 AM
0
0
Sat, 29 Aug  07 AM
0
0
Sat, 29 Aug  08 AM
0
0
Sat, 29 Aug  09 AM
0
0
Sat, 29 Aug  10 AM
0
0
Sat, 29 Aug  11 AM
0
0
Sat, 29 Aug  12 PM
0
2
Sat, 29 Aug  01 PM
0
3
Sat, 29 Aug  02 PM
0
4
Sat, 29 Aug  03 PM
0
4
Sat, 29 Aug  04 PM
0
3
Sat, 29 Aug  05 PM
0
1
Sat, 29 Aug  06 PM
0
3
Sat, 29 Aug  07 PM
0
1
Sat, 29 Aug  08 PM
0
0
Sat, 29 Aug  09 PM
0
0
Sat, 29 Aug  10 PM
0
1
Sat, 29 Aug  11 PM
0
0
Sun, 30 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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