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Air Quality History for Hennef (Sieg), Germany

Historical PM2.5 and AQI trend from monitoring stations near Hennef (Sieg), Germany.

17
Current AQI
Good Station
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

432h

PM2.5 Station

432h · 2 stations

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 4–19 2.0 µg/m³ 2.7 6h 2
2026-06-08 13 4–27 3.2 µg/m³ 4.1 24h 2
2026-06-07 20 4–42 4.8 µg/m³ 6.7 18h 2
2026-06-06 15 1–57 3.6 µg/m³ 4.9 21h 2
2026-06-05 9 3–29 2.3 µg/m³ 3.4 20h 1
2026-06-04 7 4–12 1.7 µg/m³ 2.7 17h 1
2026-06-03 8 4–16 2.0 µg/m³ 2.9 12h 1
2026-06-02 18 4–40 4.4 µg/m³ 5.2 21h 1
2026-06-01 12 5–25 2.9 µg/m³ 3.8 21h 2
2026-05-31 24 7–53 5.8 µg/m³ 7.3 23h 2
2026-05-30 46 21–93 11.9 µg/m³ 14.1 24h 2
2026-05-29 29 6–60 7.1 µg/m³ 9.2 21h 2
2026-05-28 11 4–21 2.7 µg/m³ 4.0 22h 2
2026-05-27 23 4–54 5.6 µg/m³ 7.2 24h 2
2026-05-26 12 2–29 2.8 µg/m³ 3.8 24h 2
2026-05-25 29 4–170 9.4 µg/m³ 11.7 23h 2
2026-05-24 31 5–81 7.9 µg/m³ 9.4 24h 2
2026-05-23 32 9–68 8.4 µg/m³ 9.7 24h 2
2026-05-22 29 10–70 7.3 µg/m³ 8.6 23h 2
2026-05-21 21 8–68 5.2 µg/m³ 6.2 24h 2
2026-05-20 18 7–42 4.4 µg/m³ 6.0 16h 2
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