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Air Quality Forecast Guidance for Ann Arbor, MI

Displayed below are NOAA-EPA Air Quality Forecast Guidance values for
latitude: 42.28 N, longitude: 83.73 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 07/28, 4Z)
54
48
*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, 28 Jul  06 AM
36
32
Mon, 28 Jul  07 AM
37
33
Mon, 28 Jul  08 AM
37
34
Mon, 28 Jul  09 AM
35
35
Mon, 28 Jul  10 AM
31
34
Mon, 28 Jul  11 AM
31
34
Mon, 28 Jul  12 PM
33
34
Mon, 28 Jul  01 PM
33
34
Mon, 28 Jul  02 PM
34
34
Mon, 28 Jul  03 PM
36
34
Mon, 28 Jul  04 PM
36
34
Mon, 28 Jul  05 PM
35
34
Mon, 28 Jul  06 PM
34
34
Mon, 28 Jul  07 PM
33
34
Mon, 28 Jul   08 PM
30
34
Mon, 28 Jul   09 PM
24
33
Mon, 28 Jul   10 PM
18
31
Mon, 28 Jul   11 PM
16
28
Tue, 29 Jul   12 AM
16
26
Tue, 29 Jul   01 AM
16
23
Tue, 29 Jul   02 AM
16
21
Tue, 29 Jul   03 AM
16
19
Tue, 29 Jul   04 AM
15
17
Tue, 29 Jul   05 AM
15
16
Tue, 29 Jul   06 AM
14
16
Tue, 29 Jul   07 AM
10
15
Tue, 29 Jul   08 AM
11
14
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, 28 Jul  06 AM
0
0
Mon, 28 Jul  07 AM
0
0
Mon, 28 Jul  08 AM
0
0
Mon, 28 Jul  09 AM
0
0
Mon, 28 Jul  10 AM
0
0
Mon, 28 Jul  11 AM
0
0
Mon, 28 Jul  12 PM
0
0
Mon, 28 Jul  01 PM
0
0
Mon, 28 Jul  02 PM
0
0
Mon, 28 Jul  03 PM
0
0
Mon, 28 Jul  04 PM
0
0
Mon, 28 Jul  05 PM
0
0
Mon, 28 Jul  06 PM
0
0
Mon, 28 Jul  07 PM
0
0
Mon, 28 Jul  08 PM
0
0
Mon, 28 Jul  09 PM
0
0
Mon, 28 Jul  10 PM
0
0
Mon, 28 Jul  11 PM
0
0
Tue, 29 Jul  12 AM
0
0
Tue, 29 Jul  01 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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