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 08/18, 4Z)
32
26
*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
Wed, 17 Aug  11 AM
16
12
Wed, 17 Aug  12 PM
21
12
Wed, 17 Aug  01 PM
24
13
Wed, 17 Aug  02 PM
28
15
Wed, 17 Aug  03 PM
31
18
Wed, 17 Aug  04 PM
32
21
Wed, 17 Aug  05 PM
29
24
Wed, 17 Aug  06 PM
22
25
Wed, 17 Aug   07 PM
17
26
Wed, 17 Aug   08 PM
20
25
Wed, 17 Aug   09 PM
19
25
Wed, 17 Aug   10 PM
15
23
Wed, 17 Aug   11 PM
15
21
Thu, 18 Aug   12 AM
18
19
Thu, 18 Aug   01 AM
17
18
Thu, 18 Aug   02 AM
17
17
Thu, 18 Aug   03 AM
15
17
Thu, 18 Aug   04 AM
12
16
Thu, 18 Aug   05 AM
9
15
Thu, 18 Aug   06 AM
7
14
Thu, 18 Aug   07 AM
7
13
Thu, 18 Aug   08 AM
5
11
Thu, 18 Aug   09 AM
5
9
Thu, 18 Aug   10 AM
7
8
Thu, 18 Aug   11 AM
13
8
Thu, 18 Aug   12 PM
18
9
Thu, 18 Aug   01 PM
23
11
Thu, 18 Aug   02 PM
26
13
Thu, 18 Aug   03 PM
28
16
Thu, 18 Aug   04 PM
30
19
Thu, 18 Aug   05 PM
32
22
Thu, 18 Aug   06 PM
32
25
Thu, 18 Aug   07 PM
30
28
Thu, 18 Aug   08 PM
28
29
Thu, 18 Aug   09 PM
21
29
Thu, 18 Aug   10 PM
15
27
Thu, 18 Aug   11 PM
13
25
Fri, 19 Aug   12 AM
15
23
Fri, 19 Aug   01 AM
15
21
Fri, 19 Aug   02 AM
22
20
Fri, 19 Aug   03 AM
18
18
Fri, 19 Aug   04 AM
14
17
Smoke
Ending Time
(Local Time)
1 Hour Surface Smoke (µg/m³)
06Z Model Run
1 Hour Column-Integrated
Smoke (µg/m³)

06Z Model Run
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
Wed, 17 Aug  09 PM
0
0
Wed, 17 Aug  10 PM
0
0
Wed, 17 Aug  11 PM
0
0
Thu, 18 Aug  12 AM
0
0
Thu, 18 Aug  01 AM
0
0
Thu, 18 Aug  02 AM
0
0
Thu, 18 Aug  03 AM
0
0
Thu, 18 Aug  04 AM
0
0
Thu, 18 Aug  05 AM
0
0
Thu, 18 Aug  06 AM
0
0
Thu, 18 Aug  07 AM
0
0
Thu, 18 Aug  08 AM
0
0
Thu, 18 Aug  09 AM
0
0
Thu, 18 Aug  10 AM
0
0
Thu, 18 Aug  11 AM
0
0
Thu, 18 Aug  12 PM
0
0
Thu, 18 Aug  01 PM
0
0
Thu, 18 Aug  02 PM
0
0
Thu, 18 Aug  03 PM
0
0
Thu, 18 Aug  04 PM
0
0
Thu, 18 Aug  05 PM
0
0
Thu, 18 Aug  06 PM
0
0
Thu, 18 Aug  07 PM
0
0
Thu, 18 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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