Air Quality Forecast Guidance for Spencer, SD

Displayed below are NOAA-EPA Air Quality Forecast Guidance values for
latitude: 43.84 N, longitude: 97.61 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 07/14, 4Z)
52
47
*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, 13 Jul  04 PM
46
40
Mon, 13 Jul  05 PM
49
42
Mon, 13 Jul  06 PM
52
44
Mon, 13 Jul   07 PM
50
46
Mon, 13 Jul   08 PM
45
47
Mon, 13 Jul   09 PM
42
46
Mon, 13 Jul   10 PM
37
45
Mon, 13 Jul   11 PM
30
44
Tue, 14 Jul   12 AM
27
41
Tue, 14 Jul   01 AM
23
38
Tue, 14 Jul   02 AM
23
35
Tue, 14 Jul   03 AM
31
32
Tue, 14 Jul   04 AM
32
31
Tue, 14 Jul   05 AM
33
30
Tue, 14 Jul   06 AM
33
29
Tue, 14 Jul   07 AM
31
29
Tue, 14 Jul   08 AM
32
30
Tue, 14 Jul   09 AM
27
30
Tue, 14 Jul   10 AM
29
31
Tue, 14 Jul   11 AM
38
32
Tue, 14 Jul   12 PM
42
33
Tue, 14 Jul   01 PM
40
34
Tue, 14 Jul   02 PM
41
35
Tue, 14 Jul   03 PM
39
36
Tue, 14 Jul   04 PM
41
37
Tue, 14 Jul   05 PM
42
39
Tue, 14 Jul   06 PM
42
41
Tue, 14 Jul   07 PM
44
41
Tue, 14 Jul   08 PM
46
42
Tue, 14 Jul   09 PM
42
42
Tue, 14 Jul   10 PM
36
42
Tue, 14 Jul   11 PM
29
40
Wed, 15 Jul   12 AM
28
39
Wed, 15 Jul   01 AM
26
37
Wed, 15 Jul   02 AM
24
34
Wed, 15 Jul   03 AM
23
32
Wed, 15 Jul   04 AM
20
28
Wed, 15 Jul   05 AM
21
26
Wed, 15 Jul   06 AM
23
24
Wed, 15 Jul   07 AM
21
23
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, 13 Jul  04 PM
0
0
Mon, 13 Jul  05 PM
0
0
Mon, 13 Jul  06 PM
0
0
Mon, 13 Jul  07 PM
0
0
Mon, 13 Jul  08 PM
0
0
Mon, 13 Jul  09 PM
0
0
Mon, 13 Jul  10 PM
1
0
Mon, 13 Jul  11 PM
1
0
Tue, 14 Jul  12 AM
1
0
Tue, 14 Jul  01 AM
0
0
Tue, 14 Jul  02 AM
0
0
Tue, 14 Jul  03 AM
0
0
Tue, 14 Jul  04 AM
0
0
Tue, 14 Jul  05 AM
0
0
Tue, 14 Jul  06 AM
0
0
Tue, 14 Jul  07 AM
0
0
Tue, 14 Jul  08 AM
0
0
Tue, 14 Jul  09 AM
0
0
Tue, 14 Jul  10 AM
0
0
Tue, 14 Jul  11 AM
0
0
Tue, 14 Jul  12 PM
0
0
Tue, 14 Jul  01 PM
0
0
Tue, 14 Jul  02 PM
0
0
Tue, 14 Jul  03 PM
0
0
Tue, 14 Jul  04 PM
0
0
Tue, 14 Jul  05 PM
0
0
Tue, 14 Jul  06 PM
0
0
Tue, 14 Jul  07 PM
0
0
Tue, 14 Jul  08 PM
0
0
Tue, 14 Jul  09 PM
0
0
Tue, 14 Jul  10 PM
0
0
Tue, 14 Jul  11 PM
0
0
Wed, 15 Jul  12 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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