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Air Quality History for Cascais, Portugal

Historical PM2.5 and AQI trend from monitoring stations near Cascais, Portugal.

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

Air Quality Index Station

466h

PM2.5 Station

466h · 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 4 1–9 1.1 µg/m³ 1.7 21h 1
2026-10-20 4 1–8 1.1 µg/m³ 1.8 24h 1
2026-10-19 6 3–11 1.5 µg/m³ 1.8 24h 1
2026-10-18 11 4–25 2.6 µg/m³ 3.3 24h 1
2026-10-17 20 3–47 4.9 µg/m³ 5.9 24h 2
2026-10-16 16 2–52 3.9 µg/m³ 4.7 24h 2
2026-10-15 43 11–69 11.1 µg/m³ 12.6 24h 2
2026-10-14 18 1–40 4.4 µg/m³ 5.0 23h 2
2026-10-13 10 2–17 2.4 µg/m³ 2.9 24h 2
2026-10-12 2 1–4 0.4 µg/m³ 0.8 24h 1
2026-10-11 3 1–7 0.7 µg/m³ 1.1 15h 1
2026-10-10 12 1–43 2.9 µg/m³ 3.5 24h 2
2026-10-09 5 1–20 1.0 µg/m³ 1.3 21h 1
2026-10-08 13 1–46 3.1 µg/m³ 3.9 24h 2
2026-10-07 29 7–64 7.1 µg/m³ 7.9 24h 2
2026-10-06 43 20–67 10.9 µg/m³ 11.9 24h 2
2026-10-05 34 2–66 8.8 µg/m³ 9.8 24h 2
2026-10-04 51 9–71 13.7 µg/m³ 15.0 24h 2
2026-10-03 52 26–65 13.7 µg/m³ 15.4 24h 2
2026-10-02 31 9–67 7.9 µg/m³ 10.1 24h 2
2026-10-01 14 12–15 3.2 µg/m³ 5.3 2h 2
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