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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 03/29, 4Z)
45
43
*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
Sat, 28 Mar  11 PM
25
36
Sun, 29 Mar  12 AM
24
34
Sun, 29 Mar  01 AM
24
31
Sun, 29 Mar  02 AM
27
29
Sun, 29 Mar  03 AM
30
28
Sun, 29 Mar  04 AM
32
28
Sun, 29 Mar  05 AM
33
28
Sun, 29 Mar  06 AM
33
29
Sun, 29 Mar  07 AM
34
30
Sun, 29 Mar  08 AM
36
31
Sun, 29 Mar  09 AM
37
33
Sun, 29 Mar  10 AM
36
34
Sun, 29 Mar  11 AM
36
35
Sun, 29 Mar  12 PM
36
35
Sun, 29 Mar  01 PM
36
36
Sun, 29 Mar  02 PM
36
36
Sun, 29 Mar  03 PM
36
36
Sun, 29 Mar  04 PM
39
36
Sun, 29 Mar  05 PM
40
37
Sun, 29 Mar  06 PM
41
38
Sun, 29 Mar   07 PM
40
38
Sun, 29 Mar   08 PM
40
38
Sun, 29 Mar   09 PM
41
39
Sun, 29 Mar   10 PM
41
40
Sun, 29 Mar   11 PM
41
40
Mon, 30 Mar   12 AM
41
41
Mon, 30 Mar   01 AM
41
41
Mon, 30 Mar   02 AM
40
41
Mon, 30 Mar   03 AM
39
40
Mon, 30 Mar   04 AM
35
40
Mon, 30 Mar   05 AM
32
39
Mon, 30 Mar   06 AM
29
37
Mon, 30 Mar   07 AM
27
35
Smoke
Ending Time
(Local Time)
1 Hour Surface Smoke (µg/m³)
06Z Model Run
1 Hour Column-Integrated
Smoke (µg/m³)

06Z Model Run
Sat, 28 Mar  11 PM
0
0
Sun, 29 Mar  12 AM
0
0
Sun, 29 Mar  01 AM
0
0
Sun, 29 Mar  02 AM
0
0
Sun, 29 Mar  03 AM
0
0
Sun, 29 Mar  04 AM
0
0
Sun, 29 Mar  05 AM
0
0
Sun, 29 Mar  06 AM
0
0
Sun, 29 Mar  07 AM
0
0
Sun, 29 Mar  08 AM
0
0
Sun, 29 Mar  09 AM
0
0
Sun, 29 Mar  10 AM
0
0
Sun, 29 Mar  11 AM
0
0
Sun, 29 Mar  12 PM
0
0
Sun, 29 Mar  01 PM
0
0
Sun, 29 Mar  02 PM
0
0
Sun, 29 Mar  03 PM
0
0
Sun, 29 Mar  04 PM
0
0
Sun, 29 Mar  05 PM
0
0
Sun, 29 Mar  06 PM
0
0
Sun, 29 Mar  07 PM
0
0
Sun, 29 Mar  08 PM
0
0
Sun, 29 Mar  09 PM
0
0
Sun, 29 Mar  10 PM
0
0
Sun, 29 Mar  11 PM
0
0
Mon, 30 Mar  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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