Air Quality in Duluth, United States
Windy
23.9°C · 33.1% humidity
23.9°
Feels 23.9°
25
Good
Air quality is satisfactory. Enjoy outdoor activities.
2 stations
Nearby Monitoring Stations
Duluth's air quality — share it
AQI Forecast
Calibrated
40
5pm
40
40
25
8pm
29
32
34
11pm
36
37
38
2am
39
39
39
5am
19
20
20
8am
52
52
40
11am
40
40
40
2pm
40
40
Station readings
4
CAMS model
adj -14
54
54
54
54
54
54
54
54
54
54
54
54
54
34
34
34
66
66
54
54
54
54
54
54
Air Quality Index Trend
45h · 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.
33.1%
Humidity
66.3 km/h
Wind NW
1011.1 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
6.09 µg/m³
PM10
20.55 µg/m³
050100150200300500
What is the weather forecast for Duluth?
Temperature & Precipitation
PM2.5 Trend
45h · 1 stationPM2.56.09 µg/m³
✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX0.7
Low
Station readings (2 stations within 25 km)
6.09
Median
4.6
Average
1.0
Low
8.2
High
PM2.5 µg/m³ · Model: 10.0 · Bias: +3.9
What is the 7-day forecast for Duluth?
06-09
23.9° 17.8°
0.81 mm
06-10
33.7° 25.5°
06-11
29.7° 25.1°
06-12
36.3° 21.7°
1.75 mm
06-13
32.6° 22.1°
1.19 mm
06-14
33.9° 22.0°
4.13 mm
06-15
35.6° 19.1°
1.63 mm
Both models agree
Avg diff: 3.8°C
Where are air quality stations near Duluth?
46
Gwinnett Tech, Georgia, USA
5
Gwinnett Tech, Georgia, USA
4
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 2026-06-09T00:40 UTC.