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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 07/26, 4Z)
47
46
*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, 26 Jul  05 AM
23
28
Sat, 26 Jul  06 AM
21
27
Sat, 26 Jul  07 AM
19
26
Sat, 26 Jul  08 AM
18
24
Sat, 26 Jul  09 AM
19
23
Sat, 26 Jul  10 AM
25
22
Sat, 26 Jul  11 AM
41
24
Sat, 26 Jul  12 PM
50
27
Sat, 26 Jul  01 PM
54
31
Sat, 26 Jul  02 PM
54
35
Sat, 26 Jul  03 PM
53
39
Sat, 26 Jul  04 PM
52
43
Sat, 26 Jul  05 PM
45
47
Sat, 26 Jul  06 PM
37
48
Sat, 26 Jul  07 PM
33
47
Sat, 26 Jul   08 PM
32
45
Sat, 26 Jul   09 PM
36
43
Sat, 26 Jul   10 PM
38
41
Sat, 26 Jul   11 PM
39
39
Sun, 27 Jul   12 AM
38
37
Sun, 27 Jul   01 AM
39
37
Sun, 27 Jul   02 AM
39
37
Sun, 27 Jul   03 AM
38
37
Sun, 27 Jul   04 AM
38
38
Sun, 27 Jul   05 AM
36
38
Sun, 27 Jul   06 AM
34
38
Sun, 27 Jul   07 AM
33
37
Sun, 27 Jul   08 AM
33
36
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, 26 Jul  05 AM
0
0
Sat, 26 Jul  06 AM
0
0
Sat, 26 Jul  07 AM
0
0
Sat, 26 Jul  08 AM
0
0
Sat, 26 Jul  09 AM
0
0
Sat, 26 Jul  10 AM
0
0
Sat, 26 Jul  11 AM
0
0
Sat, 26 Jul  12 PM
0
0
Sat, 26 Jul  01 PM
0
0
Sat, 26 Jul  02 PM
0
0
Sat, 26 Jul  03 PM
0
0
Sat, 26 Jul  04 PM
0
0
Sat, 26 Jul  05 PM
0
0
Sat, 26 Jul  06 PM
0
0
Sat, 26 Jul  07 PM
0
0
Sat, 26 Jul  08 PM
0
0
Sat, 26 Jul  09 PM
0
0
Sat, 26 Jul  10 PM
0
0
Sat, 26 Jul  11 PM
0
0
Sun, 27 Jul  12 AM
0
0
Sun, 27 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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