Air Quality in Duluth, United States
Windy
30.6°C · 40.1% humidity
30.6°
Feels 32.5°
14
Good
Air quality is satisfactory. Enjoy outdoor activities.
1 station
Nearby Monitoring Stations
AQI Forecast
Calibrated
16
2pm
9
9
14
5pm
13
12
18
8pm
8
8
8
11pm
7
7
7
2am
7
7
7
5am
7
7
7
8am
7
7
7
11am
9
9
Station readings
4
4
15
22
CAMS model
adj -18
34
27
27
27
27
27
34
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
27
27
Air Quality Index Trend
44h · 1 stnDuluth's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration.
40.1%
Humidity
48.1 km/h
Wind ENE
1010.2 hPa
Pressure
9.4
UV Very High
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
3.27 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for Duluth?
Temperature & Precipitation
PM2.5 Trend
44h · 1 stationPM2.53.27 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX9.4
Very High
Station readings (1 station within 25 km)
3.27
Median
3.27
Average
3.27
Low
3.27
High
PM2.5 µg/m³ · Model: 7.35 · Bias: +4.1
What is the 7-day forecast for Duluth?
07-21
33.2° 24.0°
2.81 mm
07-22
33.3° 21.3°
1.56 mm
07-23
36.0° 22.5°
5.25 mm
07-24
30.5° 20.8°
2.25 mm
07-25
30.3° 19.9°
5.69 mm
07-26
36.6° 21.6°
10.44 mm
07-27
30.3° 18.5°
4.12 mm
Both models agree
Avg diff: 3.8°C
Where are air quality stations near Duluth?
76
Gwinnett Tech, Georgia, USA
95
Gwinnett Tech, Georgia, USA
22
Alpharetta, Georgia, USA
4
united-states-of-america-atlanta-park-drive-ne
What cities are near Duluth?
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Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-07-21T21:47 UTC.