Air Quality Forecast Guidance for Duluth, MN

Displayed below are NOAA-EPA Air Quality Forecast Guidance values for
latitude: 46.79 N, longitude: 92.10 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 08/17, 4Z)
43
38
*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
Tue, 16 Aug  09 AM
28
36
Tue, 16 Aug  10 AM
23
33
Tue, 16 Aug  11 AM
19
31
Tue, 16 Aug  12 PM
20
29
Tue, 16 Aug  01 PM
22
27
Tue, 16 Aug  02 PM
25
26
Tue, 16 Aug  03 PM
30
25
Tue, 16 Aug  04 PM
32
25
Tue, 16 Aug  05 PM
30
25
Tue, 16 Aug  06 PM
27
26
Tue, 16 Aug   07 PM
25
26
Tue, 16 Aug   08 PM
25
27
Tue, 16 Aug   09 PM
26
28
Tue, 16 Aug   10 PM
26
28
Tue, 16 Aug   11 PM
26
27
Wed, 17 Aug   12 AM
28
27
Wed, 17 Aug   01 AM
28
26
Wed, 17 Aug   02 AM
27
26
Wed, 17 Aug   03 AM
22
26
Wed, 17 Aug   04 AM
21
26
Wed, 17 Aug   05 AM
21
25
Wed, 17 Aug   06 AM
21
24
Wed, 17 Aug   07 AM
20
23
Wed, 17 Aug   08 AM
18
22
Wed, 17 Aug   09 AM
14
20
Wed, 17 Aug   10 AM
14
19
Wed, 17 Aug   11 AM
17
18
Wed, 17 Aug   12 PM
25
19
Wed, 17 Aug   01 PM
28
20
Wed, 17 Aug   02 PM
29
21
Wed, 17 Aug   03 PM
32
22
Wed, 17 Aug   04 PM
32
24
Wed, 17 Aug   05 PM
30
26
Wed, 17 Aug   06 PM
30
28
Wed, 17 Aug   07 PM
30
30
Wed, 17 Aug   08 PM
29
30
Wed, 17 Aug   09 PM
27
30
Wed, 17 Aug   10 PM
25
29
Wed, 17 Aug   11 PM
22
28
Thu, 18 Aug   12 AM
24
27
Thu, 18 Aug   01 AM
25
27
Thu, 18 Aug   02 AM
27
26
Thu, 18 Aug   03 AM
21
25
Thu, 18 Aug   04 AM
19
24
Smoke
Ending Time
(Local Time)
1 Hour Surface Smoke (µg/m³)
06Z Model Run
1 Hour Column-Integrated
Smoke (µg/m³)

06Z Model Run
Tue, 16 Aug  08 AM
0
0
Tue, 16 Aug  09 AM
0
0
Tue, 16 Aug  10 AM
0
0
Tue, 16 Aug  11 AM
0
0
Tue, 16 Aug  12 PM
0
0
Tue, 16 Aug  01 PM
0
0
Tue, 16 Aug  02 PM
0
0
Tue, 16 Aug  03 PM
0
0
Tue, 16 Aug  04 PM
0
0
Tue, 16 Aug  05 PM
0
0
Tue, 16 Aug  06 PM
0
0
Tue, 16 Aug  07 PM
0
0
Tue, 16 Aug  08 PM
0
0
Tue, 16 Aug  09 PM
0
0
Tue, 16 Aug  10 PM
0
0
Tue, 16 Aug  11 PM
0
0
Wed, 17 Aug  12 AM
0
0
Wed, 17 Aug  01 AM
0
0
Wed, 17 Aug  02 AM
0
0
Wed, 17 Aug  03 AM
0
0
Wed, 17 Aug  04 AM
0
0
Wed, 17 Aug  05 AM
0
0
Wed, 17 Aug  06 AM
0
0
Wed, 17 Aug  07 AM
0
0
Wed, 17 Aug  08 AM
0
0
Wed, 17 Aug  09 AM
0
0
Wed, 17 Aug  10 AM
0
0
Wed, 17 Aug  11 AM
0
0
Wed, 17 Aug  12 PM
0
0
Wed, 17 Aug  01 PM
0
0
Wed, 17 Aug  02 PM
0
0
Wed, 17 Aug  03 PM
0
0
Wed, 17 Aug  04 PM
0
0
Wed, 17 Aug  05 PM
0
0
Wed, 17 Aug  06 PM
0
0
Wed, 17 Aug  07 PM
0
0
Wed, 17 Aug  08 PM
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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