Air Quality in Duluth, United States

Drizzle
20.4°C · 86.7% humidity
20.4°
Feels 20.4°
11
Good
Air quality is satisfactory. Enjoy outdoor activities.
1 station

Nearby Monitoring Stations

AQI Forecast Calibrated
10 5pm
10
10
11 8pm
13
34
35 11pm
35
36
16 2am
9
10
8 5am
8
8
8 8am
10
10
10 11am
10
17
10 2pm
10
10
Station readings
13
5
17
CAMS model adj -17
27
27
27
34
34
54
54
54
54
34
27
27
25
25
25
25
27
27
27
27
34
27
27
27
AD 728×90

Air Quality Index Trend

39h · 1 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.

86.7%
Humidity
51.0 km/h
Wind SW
1011.9 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
PM2.5
11
2.69 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

Temperature & Precipitation

PM2.5 Trend

39h · 1 station
PM2.52.69 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
2.69
Median
2.69
Average
2.69
Low
2.69
High
PM2.5 µg/m³ · Model: 7.0 · Bias: +4.3
05-29
36.1° 16.9°
5.5 mm
05-30
32.6° 22.9°
0.06 mm
05-31
33.5° 16.9°
0.81 mm
06-01
32.4° 15.7°
06-02
33.2° 19.8°
06-03
30.5° 24.5°
06-04
30.5° 24.2°
0.06 mm
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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 2026-05-29T00:11 UTC.