Air Quality in Duluth, United States

Windy
21.0°C · 44.3% humidity
21.0°
Feels 21.0°
34
Good
Air quality is satisfactory. Enjoy outdoor activities.
Model forecast

Nearby Monitoring Stations

AQI Forecast
34 3pm
34
34
34 6pm
34
34
34 9pm
27
27
27 12am
27
27
25 3am
25
25
27 6am
27
25
25 9am
25
25
25 12pm
25
24
AD 728×90

Air Quality Index Trend

46h · 2 stn

Duluth's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration.

44.3%
Humidity
42.0 km/h
Wind SE
1020.1 hPa
Pressure
4.4
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
34
8.2 µg/m³
PM10
19
20.55 µg/m³
050100150200300500

What is the weather forecast for Duluth?

Temperature & Precipitation

PM2.5 Trend

46h · 2 stations
PM2.58.2 µg/m³ ✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX4.4
Moderate
AD 300×250

What is the 7-day forecast for Duluth?

08-03
22.5° 16.2°
08-04
22.5° 11.6°
0.69 mm
08-05
20.4° 12.5°
0.13 mm
08-06
26.0° 17.4°
0.06 mm
08-07
24.4° 15.0°
08-08
24.1° 15.1°
0.5 mm
08-09
25.7° 17.7°
4.0 mm
Both models agree Avg diff: 3.4°C

Where are air quality stations near Duluth?

20
West Duluth, Minnesota, USA
6.3 km PM2.5: 4.8 µg/m³
45
West Duluth, Minnesota, USA
6.3 km PM2.5: 10.8 µg/m³
28
BNSF Superior Depot
8.6 km PM2.5: 6.7 µg/m³
43
Allouez Park
11.8 km PM2.5: 10.3 µg/m³
27
BNSF Taconite
13.2 km PM2.5: 6.5 µg/m³

What cities are near Duluth?

34 Superior 35 Hibbing 54 Forest Lake 54 Ham Lake 48 Andover 48 Lino Lakes 54 Ramsey 34 Elk River 46 Stillwater 53 Blaine
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Data sources: Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-08-07T23:57 UTC.