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 03/31, 4Z)
44
42
*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)

6Z Model Run
8 Hour Average Ozone
Concentration (PPB)

6Z Model Run
Mon, 30 Mar  12 PM
38
32
Mon, 30 Mar  01 PM
40
32
Mon, 30 Mar  02 PM
42
33
Mon, 30 Mar  03 PM
43
35
Mon, 30 Mar  04 PM
44
37
Mon, 30 Mar  05 PM
44
39
Mon, 30 Mar  06 PM
43
41
Mon, 30 Mar  07 PM
40
42
Mon, 30 Mar   08 PM
34
41
Mon, 30 Mar   09 PM
24
39
Mon, 30 Mar   10 PM
20
36
Mon, 30 Mar   11 PM
19
33
Tue, 31 Mar   12 AM
22
31
Tue, 31 Mar   01 AM
23
28
Tue, 31 Mar   02 AM
23
26
Tue, 31 Mar   03 AM
24
24
Tue, 31 Mar   04 AM
27
23
Tue, 31 Mar   05 AM
25
23
Tue, 31 Mar   06 AM
17
23
Tue, 31 Mar   07 AM
14
22
Tue, 31 Mar   08 AM
19
22
Tue, 31 Mar   09 AM
22
21
Tue, 31 Mar   10 AM
27
22
Tue, 31 Mar   11 AM
26
22
Tue, 31 Mar   12 PM
32
23
Tue, 31 Mar   01 PM
37
24
Tue, 31 Mar   02 PM
40
27
Tue, 31 Mar   03 PM
41
30
Tue, 31 Mar   04 PM
42
33
Tue, 31 Mar   05 PM
41
36
Tue, 31 Mar   06 PM
40
37
Tue, 31 Mar   07 PM
37
39
Tue, 31 Mar   08 PM
30
38
Tue, 31 Mar   09 PM
20
36
Tue, 31 Mar   10 PM
17
34
Tue, 31 Mar   11 PM
15
30
Wed, 01 Apr   12 AM
13
27
Wed, 01 Apr   01 AM
12
23
Wed, 01 Apr   02 AM
11
19
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, 30 Mar  12 PM
0
0
Mon, 30 Mar  01 PM
0
0
Mon, 30 Mar  02 PM
0
0
Mon, 30 Mar  03 PM
0
0
Mon, 30 Mar  04 PM
0
0
Mon, 30 Mar  05 PM
0
0
Mon, 30 Mar  06 PM
0
0
Mon, 30 Mar  07 PM
0
0
Mon, 30 Mar  08 PM
0
0
Mon, 30 Mar  09 PM
0
0
Mon, 30 Mar  10 PM
0
0
Mon, 30 Mar  11 PM
0
0
Tue, 31 Mar  12 AM
0
0
Tue, 31 Mar  01 AM
0
0
Tue, 31 Mar  02 AM
0
0
Tue, 31 Mar  03 AM
0
0
Tue, 31 Mar  04 AM
0
0
Tue, 31 Mar  05 AM
0
0
Tue, 31 Mar  06 AM
0
0
Tue, 31 Mar  07 AM
0
0
Tue, 31 Mar  08 AM
0
0
Tue, 31 Mar  09 AM
0
0
Tue, 31 Mar  10 AM
0
0
Tue, 31 Mar  11 AM
0
0
Tue, 31 Mar  12 PM
0
0
Tue, 31 Mar  01 PM
0
0
Tue, 31 Mar  02 PM
0
0
Tue, 31 Mar  03 PM
0
0
Tue, 31 Mar  04 PM
0
0
Tue, 31 Mar  05 PM
0
0
Tue, 31 Mar  06 PM
0
0
Tue, 31 Mar  07 PM
0
0
Tue, 31 Mar  08 PM
0
0
Tue, 31 Mar  09 PM
0
0
Tue, 31 Mar  10 PM
0
0
Tue, 31 Mar  11 PM
0
0
Wed, 01 Apr  12 AM
0
0
Wed, 01 Apr  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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