Air Quality Forecast Guidance for Two Harbors, MN

Displayed below are NOAA-EPA Air Quality Forecast Guidance values for
latitude: 47.03 N, longitude: 91.68 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 01/24, 4Z)
30
28
*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
Tue, 23 Jan  05 PM
28
27
Tue, 23 Jan   06 PM
26
28
Tue, 23 Jan   07 PM
24
28
Tue, 23 Jan   08 PM
23
27
Tue, 23 Jan   09 PM
23
26
Tue, 23 Jan   10 PM
23
26
Tue, 23 Jan   11 PM
24
25
Wed, 24 Jan   12 AM
25
24
Wed, 24 Jan   01 AM
26
24
Wed, 24 Jan   02 AM
27
24
Wed, 24 Jan   03 AM
28
25
Wed, 24 Jan   04 AM
29
25
Wed, 24 Jan   05 AM
29
26
Wed, 24 Jan   06 AM
29
27
Wed, 24 Jan   07 AM
29
28
Wed, 24 Jan   08 AM
29
28
Wed, 24 Jan   09 AM
29
29
Wed, 24 Jan   10 AM
30
29
Wed, 24 Jan   11 AM
31
29
Wed, 24 Jan   12 PM
31
30
Wed, 24 Jan   01 PM
31
30
Wed, 24 Jan   02 PM
32
30
Wed, 24 Jan   03 PM
32
31
Wed, 24 Jan   04 PM
31
31
Wed, 24 Jan   05 PM
30
31
Wed, 24 Jan   06 PM
27
30
Wed, 24 Jan   07 PM
25
30
Wed, 24 Jan   08 PM
23
29
Wed, 24 Jan   09 PM
23
28
Wed, 24 Jan   10 PM
22
27
Wed, 24 Jan   11 PM
22
25
Thu, 25 Jan   12 AM
22
24
Thu, 25 Jan   01 AM
22
23
Thu, 25 Jan   02 AM
22
23
Thu, 25 Jan   03 AM
22
22
Thu, 25 Jan   04 AM
21
22
Thu, 25 Jan   05 AM
20
22
Thu, 25 Jan   06 AM
19
21
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, 23 Jan  05 PM
0
0
Tue, 23 Jan  06 PM
0
0
Tue, 23 Jan  07 PM
0
0
Tue, 23 Jan  08 PM
0
0
Tue, 23 Jan  09 PM
0
0
Tue, 23 Jan  10 PM
0
0
Tue, 23 Jan  11 PM
0
0
Wed, 24 Jan  12 AM
0
0
Wed, 24 Jan  01 AM
0
0
Wed, 24 Jan  02 AM
0
0
Wed, 24 Jan  03 AM
0
0
Wed, 24 Jan  04 AM
0
0
Wed, 24 Jan  05 AM
0
0
Wed, 24 Jan  06 AM
0
0
Wed, 24 Jan  07 AM
0
0
Wed, 24 Jan  08 AM
0
0
Wed, 24 Jan  09 AM
0
0
Wed, 24 Jan  10 AM
0
0
Wed, 24 Jan  11 AM
0
0
Wed, 24 Jan  12 PM
0
0
Wed, 24 Jan  01 PM
0
0
Wed, 24 Jan  02 PM
0
0
Wed, 24 Jan  03 PM
0
0
Wed, 24 Jan  04 PM
0
0
Wed, 24 Jan  05 PM
0
0
Wed, 24 Jan  06 PM
0
0
Wed, 24 Jan  07 PM
0
0
Wed, 24 Jan  08 PM
0
0
Wed, 24 Jan  09 PM
0
0
Wed, 24 Jan  10 PM
0
0
Wed, 24 Jan  11 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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