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Air Quality History for Zürich (Kreis 9) / Altstetten, Switzerland

Historical PM2.5 and AQI trend from monitoring stations near Zürich (Kreis 9) / Altstetten, Switzerland.

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

Air Quality Index Station

452h

PM2.5 Station

452h · 1 station

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg PM10 avg Hours Stations
2026-10-21 43 4–89 13.1 µg/m³ 13.9 7h 2
2026-10-20 89 78–111 30.1 µg/m³ 32.7 24h 3
2026-10-19 49 20–88 14.4 µg/m³ 15.2 24h 3
2026-10-18 16 5–53 3.9 µg/m³ 4.2 24h 2
2026-10-17 33 4–79 8.8 µg/m³ 9.2 22h 2
2026-10-16 29 11–61 7.1 µg/m³ 7.5 24h 3
2026-10-15 27 10–56 6.6 µg/m³ 7.0 24h 3
2026-10-14 14 6–31 3.4 µg/m³ 3.5 24h 2
2026-10-13 27 7–96 7.0 µg/m³ 7.5 24h 3
2026-10-12 9 4–16 2.1 µg/m³ 2.4 24h 2
2026-10-11 11 4–65 2.8 µg/m³ 3.2 20h 1
2026-10-10 8 4–15 1.9 µg/m³ 2.0 23h 2
2026-10-09 13 7–19 3.0 µg/m³ 3.2 24h 2
2026-10-08 24 1–64 6.0 µg/m³ 6.3 20h 2
2026-10-07 43 26–58 10.6 µg/m³ 11.0 24h 3
2026-10-06 22 13–35 5.2 µg/m³ 5.5 24h 2
2026-10-05 23 5–42 5.4 µg/m³ 5.5 24h 2
2026-10-04 25 10–52 6.1 µg/m³ 6.3 24h 3
2026-10-03 24 14–52 5.7 µg/m³ 5.9 24h 3
2026-10-02 9 4–25 2.3 µg/m³ 2.4 20h 2
2026-10-01 57 54–60 15.0 µg/m³ 15.6 4h 2
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