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Air Quality History for Oeiras, Portugal

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

5
Current AQI
Good Station
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

465h

PM2.5 Station

465h · 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 1.6 17h 1
2026-10-20 4 1–8 1.0 µg/m³ 1.7 24h 1
2026-10-19 6 3–8 1.4 µg/m³ 1.7 24h 1
2026-10-18 9 4–19 2.1 µg/m³ 2.7 24h 1
2026-10-17 20 3–51 4.7 µg/m³ 5.7 24h 2
2026-10-16 16 3–46 3.9 µg/m³ 4.7 24h 2
2026-10-15 40 11–66 10.4 µg/m³ 11.6 24h 2
2026-10-14 16 3–40 3.8 µg/m³ 4.3 23h 2
2026-10-13 10 2–16 2.3 µg/m³ 2.8 24h 2
2026-10-12 3 1–9 0.6 µg/m³ 1.0 24h 1
2026-10-11 4 1–15 0.9 µg/m³ 1.3 15h 1
2026-10-10 10 1–31 2.5 µg/m³ 3.0 24h 2
2026-10-09 5 1–20 1.0 µg/m³ 1.3 21h 1
2026-10-08 13 1–55 3.2 µg/m³ 3.9 24h 2
2026-10-07 29 7–75 7.4 µg/m³ 8.5 24h 2
2026-10-06 42 16–70 10.9 µg/m³ 12.0 24h 2
2026-10-05 32 2–67 8.6 µg/m³ 9.4 24h 2
2026-10-04 46 9–62 11.6 µg/m³ 12.9 24h 2
2026-10-03 50 23–66 13.4 µg/m³ 15.0 24h 2
2026-10-02 27 7–57 6.5 µg/m³ 8.3 24h 2
2026-10-01 8 7–11 2.0 µg/m³ 3.1 5h 2
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