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Air Quality History for Duluth, United States

Historical PM2.5 and AQI trend from monitoring stations near Duluth, United States.

8
Current AQI
Good Station
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

417h

PM2.5 Station

417h · 1 station

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg PM10 avg Hours Stations
2026-06-09 6 4–9 1.5 µg/m³ 1.5 3h 1
2026-06-08 31 8–67 7.8 µg/m³ 8.1 21h 1
2026-06-07 53 27–74 14.7 µg/m³ 15.2 24h 1
2026-06-06 58 28–94 16.9 µg/m³ 17.4 24h 1
2026-06-05 57 17–106 16.3 µg/m³ 17.1 24h 1
2026-06-04 22 6–39 5.2 µg/m³ 5.4 21h 1
2026-06-03 15 4–40 3.6 µg/m³ 3.7 23h 1
2026-06-02 42 25–67 10.6 µg/m³ 10.8 24h 1
2026-06-01 24 12–38 5.8 µg/m³ 5.9 21h 1
2026-05-31 42 3–73 11.6 µg/m³ 11.9 18h 1
2026-05-30 19 4–80 5.1 µg/m³ 5.2 15h 1
2026-05-29 42 17–104 11.3 µg/m³ 11.9 24h 1
2026-05-28 11 3–29 2.5 µg/m³ 2.6 19h 1
2026-05-27 20 4–49 4.8 µg/m³ 5.2 19h 1
2026-05-26 16 2–56 3.8 µg/m³ 4.2 13h 1
2026-05-25 16 1–57 4.0 µg/m³ 4.3 19h 1
2026-05-24 26 5–65 6.5 µg/m³ 6.8 18h 1
2026-05-23 23 5–60 5.5 µg/m³ 5.8 22h 1
2026-05-22 44 4–75 11.8 µg/m³ 12.1 21h 1
2026-05-21 61 11–88 18.2 µg/m³ 18.5 24h 1
2026-05-20 54 29–84 14.9 µg/m³ 15.2 20h 1
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