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Air Quality History for Aarau, Switzerland

Historical PM2.5 and AQI trend from monitoring stations near Aarau, Switzerland.

9
Current AQI
Good Station

Air Quality Index Station

347h

PM2.5 Station

347h · 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 3–12 2.0 µg/m³ 2.5 3h 2
2026-06-08 10 3–25 2.4 µg/m³ 2.8 23h 1
2026-06-07 3 1–5 0.7 µg/m³ 1.4 11h 1
2026-06-06 9 2–38 2.2 µg/m³ 2.5 15h 1
2026-06-04 3 1–5 0.6 µg/m³ 1.3 5h 1
2026-06-03 7 7–7 1.7 µg/m³ 1.9 1h 1
2026-06-02 16 5–30 3.7 µg/m³ 4.0 14h 2
2026-06-01 18 2–41 3.9 µg/m³ 4.3 11h 2
2026-05-31 33 3–65 8.1 µg/m³ 9.0 24h 2
2026-05-30 15 5–28 3.7 µg/m³ 4.0 24h 2
2026-05-29 5 1–12 1.1 µg/m³ 1.6 16h 1
2026-05-28 31 5–54 7.5 µg/m³ 8.5 24h 2
2026-05-27 46 23–71 12.0 µg/m³ 13.9 24h 2
2026-05-26 46 27–68 12.1 µg/m³ 13.8 24h 2
2026-05-25 44 14–62 11.2 µg/m³ 12.7 24h 2
2026-05-24 32 7–59 7.9 µg/m³ 9.0 24h 2
2026-05-23 22 5–43 5.4 µg/m³ 5.9 23h 1
2026-05-22 9 2–18 2.1 µg/m³ 2.4 18h 1
2026-05-21 11 4–29 2.8 µg/m³ 3.1 17h 1
2026-05-20 15 2–53 3.5 µg/m³ 4.2 21h 1
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