Air Quality Forecast Guidance for Grinnell, IA

Displayed below are NOAA-EPA Air Quality Forecast Guidance values for
latitude: 41.75 N, longitude: 92.73 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 10/03, 4Z)
52
50
*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
Mon, 02 Oct  11 PM
35
46
Tue, 03 Oct  12 AM
33
44
Tue, 03 Oct  01 AM
31
41
Tue, 03 Oct  02 AM
30
38
Tue, 03 Oct  03 AM
29
36
Tue, 03 Oct  04 AM
29
34
Tue, 03 Oct  05 AM
28
32
Tue, 03 Oct  06 AM
28
30
Tue, 03 Oct  07 AM
27
29
Tue, 03 Oct  08 AM
26
29
Tue, 03 Oct  09 AM
27
28
Tue, 03 Oct  10 AM
31
28
Tue, 03 Oct  11 AM
39
29
Tue, 03 Oct  12 PM
45
31
Tue, 03 Oct  01 PM
48
34
Tue, 03 Oct  02 PM
51
37
Tue, 03 Oct  03 PM
53
40
Tue, 03 Oct  04 PM
55
44
Tue, 03 Oct  05 PM
56
47
Tue, 03 Oct  06 PM
56
50
Tue, 03 Oct   07 PM
54
52
Tue, 03 Oct   08 PM
51
53
Tue, 03 Oct   09 PM
48
53
Tue, 03 Oct   10 PM
44
52
Tue, 03 Oct   11 PM
45
51
Wed, 04 Oct   12 AM
45
50
Wed, 04 Oct   01 AM
42
48
Wed, 04 Oct   02 AM
39
46
Wed, 04 Oct   03 AM
36
44
Wed, 04 Oct   04 AM
34
42
Smoke
Ending Time
(Local Time)
1 Hour Surface Smoke (µg/m³)
06Z Model Run
1 Hour Column-Integrated
Smoke (µg/m³)
06Z Model Run
Mon, 02 Oct  11 PM
0
0
Tue, 03 Oct  12 AM
0
0
Tue, 03 Oct  01 AM
0
0
Tue, 03 Oct  02 AM
0
0
Tue, 03 Oct  03 AM
0
0
Tue, 03 Oct  04 AM
0
0
Tue, 03 Oct  05 AM
0
0
Tue, 03 Oct  06 AM
0
0
Tue, 03 Oct  07 AM
0
0
Tue, 03 Oct  08 AM
0
0
Tue, 03 Oct  09 AM
0
0
Tue, 03 Oct  10 AM
0
0
Tue, 03 Oct  11 AM
0
0
Tue, 03 Oct  12 PM
0
0
Tue, 03 Oct  01 PM
0
0
Tue, 03 Oct  02 PM
0
0
Tue, 03 Oct  03 PM
0
0
Tue, 03 Oct  04 PM
0
0
Tue, 03 Oct  05 PM
0
0
Tue, 03 Oct  06 PM
0
0
Tue, 03 Oct  07 PM
0
0
Tue, 03 Oct  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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