Air Quality Forecast Guidance for Harrisburg, IL

Displayed below are NOAA-EPA Air Quality Forecast Guidance values for
latitude: 37.74 N, longitude: 88.54 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 06/10, 4Z)
67
64
*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, 09 Jun  01 PM
60
38
Fri, 09 Jun  02 PM
63
44
Fri, 09 Jun  03 PM
66
51
Fri, 09 Jun  04 PM
67
56
Fri, 09 Jun  05 PM
66
60
Fri, 09 Jun  06 PM
66
62
Fri, 09 Jun   07 PM
65
64
Fri, 09 Jun   08 PM
58
64
Fri, 09 Jun   09 PM
51
63
Fri, 09 Jun   10 PM
44
60
Fri, 09 Jun   11 PM
38
57
Sat, 10 Jun   12 AM
36
53
Sat, 10 Jun   01 AM
35
49
Sat, 10 Jun   02 AM
33
45
Sat, 10 Jun   03 AM
29
40
Sat, 10 Jun   04 AM
26
36
Sat, 10 Jun   05 AM
28
34
Sat, 10 Jun   06 AM
28
31
Sat, 10 Jun   07 AM
26
30
Sat, 10 Jun   08 AM
36
30
Sat, 10 Jun   09 AM
48
32
Sat, 10 Jun   10 AM
55
34
Sat, 10 Jun   11 AM
61
38
Sat, 10 Jun   12 PM
65
43
Sat, 10 Jun   01 PM
64
48
Sat, 10 Jun   02 PM
66
53
Sat, 10 Jun   03 PM
69
58
Sat, 10 Jun   04 PM
70
62
Sat, 10 Jun   05 PM
72
65
Sat, 10 Jun   06 PM
71
67
Sat, 10 Jun   07 PM
67
68
Sat, 10 Jun   08 PM
55
67
Sat, 10 Jun   09 PM
47
65
Sat, 10 Jun   10 PM
44
62
Sat, 10 Jun   11 PM
40
58
Sun, 11 Jun   12 AM
39
54
Sun, 11 Jun   01 AM
40
50
Sun, 11 Jun   02 AM
39
46
Sun, 11 Jun   03 AM
38
43
Sun, 11 Jun   04 AM
36
40
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, 09 Jun  01 PM
0
0
Fri, 09 Jun  02 PM
0
0
Fri, 09 Jun  03 PM
0
0
Fri, 09 Jun  04 PM
0
0
Fri, 09 Jun  05 PM
0
0
Fri, 09 Jun  06 PM
0
0
Fri, 09 Jun  07 PM
0
0
Fri, 09 Jun  08 PM
0
0
Fri, 09 Jun  09 PM
0
0
Fri, 09 Jun  10 PM
0
0
Fri, 09 Jun  11 PM
0
0
Sat, 10 Jun  12 AM
0
0
Sat, 10 Jun  01 AM
0
0
Sat, 10 Jun  02 AM
0
0
Sat, 10 Jun  03 AM
0
0
Sat, 10 Jun  04 AM
0
0
Sat, 10 Jun  05 AM
0
0
Sat, 10 Jun  06 AM
0
0
Sat, 10 Jun  07 AM
0
0
Sat, 10 Jun  08 AM
0
0
Sat, 10 Jun  09 AM
0
0
Sat, 10 Jun  10 AM
0
0
Sat, 10 Jun  11 AM
0
0
Sat, 10 Jun  12 PM
0
0
Sat, 10 Jun  01 PM
0
0
Sat, 10 Jun  02 PM
0
0
Sat, 10 Jun  03 PM
0
0
Sat, 10 Jun  04 PM
0
0
Sat, 10 Jun  05 PM
0
0
Sat, 10 Jun  06 PM
0
0
Sat, 10 Jun  07 PM
0
0
Sat, 10 Jun  08 PM
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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