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Air Quality History for Leiden, Netherlands

Historical PM2.5 and AQI trend from monitoring stations near Leiden, Netherlands.

40
Current AQI
Good Station
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

469h

PM2.5 Station

469h · 3 stations

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg PM10 avg Hours Stations
2026-05-29 59 6–117 18.9 µg/m³ 22.1 23h 3
2026-05-28 8 1–21 1.8 µg/m³ 2.9 22h 3
2026-05-27 22 2–100 6.4 µg/m³ 7.7 24h 3
2026-05-26 40 10–117 11.4 µg/m³ 13.4 24h 3
2026-05-25 19 4–38 4.6 µg/m³ 5.3 24h 3
2026-05-24 59 8–129 19.0 µg/m³ 22.7 24h 3
2026-05-23 79 25–153 26.3 µg/m³ 30.7 24h 3
2026-05-22 53 22–86 14.6 µg/m³ 16.3 23h 3
2026-05-21 32 15–53 7.7 µg/m³ 11.3 24h 3
2026-05-20 30 12–54 7.2 µg/m³ 11.9 24h 3
2026-05-19 38 10–75 10.2 µg/m³ 11.0 24h 3
2026-05-18 25 1–67 6.6 µg/m³ 7.7 24h 3
2026-05-17 57 34–75 15.4 µg/m³ 17.0 24h 3
2026-05-16 15 1–36 3.2 µg/m³ 4.1 23h 2
2026-05-15 6 1–23 1.1 µg/m³ 2.3 21h 2
2026-05-14 5 1–11 1.0 µg/m³ 2.2 23h 2
2026-05-13 6 1–31 1.4 µg/m³ 3.2 23h 2
2026-05-12 12 1–29 2.4 µg/m³ 3.8 24h 2
2026-05-11 3 1–9 0.8 µg/m³ 1.8 23h 2
2026-05-10 36 5–81 10.0 µg/m³ 11.2 24h 3
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