Air Quality Forecast Guidance for Louisville, KY

Displayed below are NOAA-EPA Air Quality Forecast Guidance values for
latitude: 38.20 N, longitude: 85.70 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 04/19, 4Z)
50
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)

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

6Z Model Run
Fri, 18 Apr  10 AM
21
14
Fri, 18 Apr  11 AM
31
16
Fri, 18 Apr  12 PM
39
19
Fri, 18 Apr  01 PM
46
23
Fri, 18 Apr  02 PM
50
27
Fri, 18 Apr  03 PM
50
32
Fri, 18 Apr  04 PM
48
37
Fri, 18 Apr  05 PM
46
41
Fri, 18 Apr  06 PM
46
44
Fri, 18 Apr  07 PM
44
46
Fri, 18 Apr   08 PM
31
45
Fri, 18 Apr   09 PM
15
41
Fri, 18 Apr   10 PM
10
36
Fri, 18 Apr   11 PM
10
31
Sat, 19 Apr   12 AM
14
27
Sat, 19 Apr   01 AM
22
24
Sat, 19 Apr   02 AM
28
22
Sat, 19 Apr   03 AM
28
20
Sat, 19 Apr   04 AM
25
19
Sat, 19 Apr   05 AM
21
20
Sat, 19 Apr   06 AM
18
21
Sat, 19 Apr   07 AM
15
21
Sat, 19 Apr   08 AM
15
21
Sat, 19 Apr   09 AM
20
21
Sat, 19 Apr   10 AM
25
21
Sat, 19 Apr   11 AM
37
22
Sat, 19 Apr   12 PM
49
25
Sat, 19 Apr   01 PM
54
29
Sat, 19 Apr   02 PM
56
34
Sat, 19 Apr   03 PM
56
39
Sat, 19 Apr   04 PM
56
44
Sat, 19 Apr   05 PM
55
49
Sat, 19 Apr   06 PM
54
52
Sat, 19 Apr   07 PM
51
54
Sat, 19 Apr   08 PM
42
53
Sat, 19 Apr   09 PM
31
50
Sat, 19 Apr   10 PM
27
46
Sat, 19 Apr   11 PM
27
43
Sun, 20 Apr   12 AM
28
39
Sun, 20 Apr   01 AM
29
36
Sun, 20 Apr   02 AM
29
33
Smoke
Ending Time
(Local Time)
1 Hour Surface Smoke (µg/m³)
06Z Model Run
1 Hour Column-Integrated
Smoke (µg/m³)

06Z Model Run
Fri, 18 Apr  09 AM
0
2
Fri, 18 Apr  10 AM
0
2
Fri, 18 Apr  11 AM
0
2
Fri, 18 Apr  12 PM
0
1
Fri, 18 Apr  01 PM
0
1
Fri, 18 Apr  02 PM
0
1
Fri, 18 Apr  03 PM
0
2
Fri, 18 Apr  04 PM
0
1
Fri, 18 Apr  05 PM
0
2
Fri, 18 Apr  06 PM
0
1
Fri, 18 Apr  07 PM
0
1
Fri, 18 Apr  08 PM
0
0
Fri, 18 Apr  09 PM
0
1
Fri, 18 Apr  10 PM
0
1
Fri, 18 Apr  11 PM
0
1
Sat, 19 Apr  12 AM
0
0
Sat, 19 Apr  01 AM
0
0
Sat, 19 Apr  02 AM
0
0
Sat, 19 Apr  03 AM
0
0
Sat, 19 Apr  04 AM
0
0
Sat, 19 Apr  05 AM
0
0
Sat, 19 Apr  06 AM
0
0
Sat, 19 Apr  07 AM
0
0
Sat, 19 Apr  08 AM
0
0
Sat, 19 Apr  09 AM
0
0
Sat, 19 Apr  10 AM
1
0
Sat, 19 Apr  11 AM
0
0
Sat, 19 Apr  12 PM
1
0
Sat, 19 Apr  01 PM
0
0
Sat, 19 Apr  02 PM
0
0
Sat, 19 Apr  03 PM
0
0
Sat, 19 Apr  04 PM
0
0
Sat, 19 Apr  05 PM
0
0
Sat, 19 Apr  06 PM
0
0
Sat, 19 Apr  07 PM
0
0
Sat, 19 Apr  08 PM
0
0
Sat, 19 Apr  09 PM
0
0
Sat, 19 Apr  10 PM
0
0
Sat, 19 Apr  11 PM
0
0
Sun, 20 Apr  12 AM
0
0
Sun, 20 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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