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Air Quality History for Köln, Germany

Historical PM2.5 and AQI trend from monitoring stations near Köln, Germany.

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

Air Quality Index Station

449h

PM2.5 Station

449h · 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 8 7–8 1.9 µg/m³ 2.5 3h 2
2026-06-08 12 4–24 2.8 µg/m³ 3.1 24h 3
2026-06-07 13 2–33 3.0 µg/m³ 4.0 21h 2
2026-06-06 12 1–52 2.9 µg/m³ 3.2 23h 2
2026-06-05 8 2–29 2.0 µg/m³ 2.8 22h 2
2026-06-04 6 4–17 1.5 µg/m³ 2.2 19h 2
2026-06-03 7 4–15 1.8 µg/m³ 2.3 17h 2
2026-06-02 18 4–38 4.3 µg/m³ 4.6 23h 2
2026-06-01 14 3–69 3.6 µg/m³ 3.9 21h 2
2026-05-31 25 1–67 6.2 µg/m³ 6.9 23h 2
2026-05-30 63 35–93 18.6 µg/m³ 19.6 24h 2
2026-05-29 29 1–66 7.3 µg/m³ 8.0 21h 2
2026-05-28 8 2–21 1.8 µg/m³ 2.7 22h 2
2026-05-27 26 4–65 6.5 µg/m³ 7.1 24h 2
2026-05-26 11 2–32 2.7 µg/m³ 3.1 24h 2
2026-05-25 29 3–170 9.5 µg/m³ 11.1 23h 2
2026-05-24 44 5–85 12.8 µg/m³ 13.2 24h 2
2026-05-23 40 10–88 10.9 µg/m³ 11.5 24h 2
2026-05-22 39 14–80 10.6 µg/m³ 11.3 23h 2
2026-05-21 23 6–68 6.0 µg/m³ 6.4 24h 2
2026-05-20 12 4–42 2.9 µg/m³ 3.4 20h 2
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