Air Quality Forecast Guidance for La Salle, MI

Displayed below are NOAA-EPA Air Quality Forecast Guidance values for
latitude: 41.91 N, longitude: 83.48 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 05/27, 4Z)
49
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
Thu, 26 May  04 PM
49
43
Thu, 26 May  05 PM
49
46
Thu, 26 May  06 PM
48
47
Thu, 26 May  07 PM
45
48
Thu, 26 May   08 PM
39
47
Thu, 26 May   09 PM
36
46
Thu, 26 May   10 PM
37
44
Thu, 26 May   11 PM
37
43
Fri, 27 May   12 AM
36
41
Fri, 27 May   01 AM
33
39
Fri, 27 May   02 AM
30
37
Fri, 27 May   03 AM
34
35
Fri, 27 May   04 AM
41
36
Fri, 27 May   05 AM
43
36
Fri, 27 May   06 AM
42
37
Fri, 27 May   07 AM
38
37
Fri, 27 May   08 AM
32
37
Fri, 27 May   09 AM
37
37
Fri, 27 May   10 AM
42
39
Fri, 27 May   11 AM
44
40
Fri, 27 May   12 PM
48
41
Fri, 27 May   01 PM
51
42
Fri, 27 May   02 PM
53
43
Fri, 27 May   03 PM
55
45
Fri, 27 May   04 PM
54
48
Fri, 27 May   05 PM
51
50
Fri, 27 May   06 PM
47
50
Fri, 27 May   07 PM
39
50
Fri, 27 May   08 PM
32
48
Fri, 27 May   09 PM
30
45
Fri, 27 May   10 PM
35
43
Fri, 27 May   11 PM
42
41
Sat, 28 May   12 AM
49
41
Sat, 28 May   01 AM
51
41
Sat, 28 May   02 AM
50
41
Sat, 28 May   03 AM
43
41
Sat, 28 May   04 AM
34
42
Sat, 28 May   05 AM
29
42
Sat, 28 May   06 AM
27
41
Sat, 28 May   07 AM
26
38
Sat, 28 May   08 AM
24
35
Smoke
Ending Time
(Local Time)
1 Hour Surface Smoke (µg/m³)
06Z Model Run
1 Hour Column-Integrated
Smoke (µg/m³)

06Z Model Run
Thu, 26 May  02 PM
0
0
Thu, 26 May  03 PM
0
0
Thu, 26 May  04 PM
0
0
Thu, 26 May  05 PM
0
0
Thu, 26 May  06 PM
0
0
Thu, 26 May  07 PM
0
0
Thu, 26 May  08 PM
0
0
Thu, 26 May  09 PM
0
0
Thu, 26 May  10 PM
0
0
Thu, 26 May  11 PM
0
0
Fri, 27 May  12 AM
0
0
Fri, 27 May  01 AM
0
0
Fri, 27 May  02 AM
0
0
Fri, 27 May  03 AM
0
0
Fri, 27 May  04 AM
0
0
Fri, 27 May  05 AM
0
0
Fri, 27 May  06 AM
0
0
Fri, 27 May  07 AM
0
0
Fri, 27 May  08 AM
0
0
Fri, 27 May  09 AM
0
0
Fri, 27 May  10 AM
0
0
Fri, 27 May  11 AM
0
0
Fri, 27 May  12 PM
0
0
Fri, 27 May  01 PM
0
0
Fri, 27 May  02 PM
0
0
Fri, 27 May  03 PM
0
0
Fri, 27 May  04 PM
0
0
Fri, 27 May  05 PM
0
0
Fri, 27 May  06 PM
0
0
Fri, 27 May  07 PM
0
0
Fri, 27 May  08 PM
0
0
Fri, 27 May  09 PM
0
0
Fri, 27 May  10 PM
0
0
Fri, 27 May  11 PM
0
0
Sat, 28 May  12 AM
0
0
Sat, 28 May  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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