Air Quality Forecast Guidance for Portage, IN

Displayed below are NOAA-EPA Air Quality Forecast Guidance values for
latitude: 41.60 N, longitude: 87.17 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 05/28, 4Z)
57
55
*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
Sun, 28 May  03 AM
10
39
Sun, 28 May  04 AM
10
34
Sun, 28 May  05 AM
8
28
Sun, 28 May  06 AM
10
23
Sun, 28 May  07 AM
16
18
Sun, 28 May  08 AM
24
15
Sun, 28 May  09 AM
36
16
Sun, 28 May  10 AM
45
20
Sun, 28 May  11 AM
48
25
Sun, 28 May  12 PM
50
30
Sun, 28 May  01 PM
54
35
Sun, 28 May  02 PM
54
41
Sun, 28 May  03 PM
53
45
Sun, 28 May  04 PM
56
49
Sun, 28 May  05 PM
58
52
Sun, 28 May  06 PM
59
54
Sun, 28 May   07 PM
65
56
Sun, 28 May   08 PM
66
58
Sun, 28 May   09 PM
61
59
Sun, 28 May   10 PM
55
59
Sun, 28 May   11 PM
52
59
Mon, 29 May   12 AM
48
58
Mon, 29 May   01 AM
44
56
Mon, 29 May   02 AM
37
53
Mon, 29 May   03 AM
35
50
Mon, 29 May   04 AM
34
46
Smoke
Ending Time
(Local Time)
1 Hour Surface Smoke (µg/m³)
06Z Model Run
1 Hour Column-Integrated
Smoke (µg/m³)
06Z Model Run
Sun, 28 May  03 AM
0
0
Sun, 28 May  04 AM
0
0
Sun, 28 May  05 AM
0
0
Sun, 28 May  06 AM
0
0
Sun, 28 May  07 AM
0
0
Sun, 28 May  08 AM
0
0
Sun, 28 May  09 AM
0
0
Sun, 28 May  10 AM
0
0
Sun, 28 May  11 AM
0
0
Sun, 28 May  12 PM
0
0
Sun, 28 May  01 PM
0
0
Sun, 28 May  02 PM
0
0
Sun, 28 May  03 PM
0
0
Sun, 28 May  04 PM
0
0
Sun, 28 May  05 PM
0
0
Sun, 28 May  06 PM
0
0
Sun, 28 May  07 PM
0
0
Sun, 28 May  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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