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Air Quality History for Alfragide, Portugal

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

28
Current AQI
Good Station
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

344h

PM2.5 Station

344h · 2 stations

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg PM10 avg Hours Stations
2026-05-30 31 23–37 7.5 µg/m³ 8.4 18h 2
2026-05-29 38 24–56 9.2 µg/m³ 10.6 24h 2
2026-05-28 41 22–70 10.5 µg/m³ 11.9 24h 2
2026-05-27 25 12–41 6.0 µg/m³ 6.7 24h 2
2026-05-26 37 18–64 9.3 µg/m³ 10.1 24h 2
2026-05-25 32 10–54 7.6 µg/m³ 8.7 24h 2
2026-05-24 51 33–61 12.7 µg/m³ 14.9 24h 2
2026-05-23 25 4–48 6.0 µg/m³ 7.1 24h 2
2026-05-22 30 2–65 7.5 µg/m³ 8.0 18h 1
2026-05-21 23 4–60 5.3 µg/m³ 6.1 21h 1
2026-05-20 20 4–31 4.7 µg/m³ 5.1 11h 1
2026-05-19 10 10–10 2.5 µg/m³ 3.5 1h 1
2026-05-18 6 4–10 1.2 µg/m³ 2.5 4h 1
2026-05-17 4 4–4 1.0 µg/m³ 1.0 1h 1
2026-05-16 7 2–15 1.7 µg/m³ 2.0 4h 1
2026-05-15 5 1–9 1.2 µg/m³ 1.8 13h 1
2026-05-14 13 2–52 3.1 µg/m³ 3.8 18h 1
2026-05-13 11 3–38 2.7 µg/m³ 2.9 16h 1
2026-05-12 15 1–99 4.1 µg/m³ 5.3 23h 1
2026-05-11 18 5–57 4.5 µg/m³ 5.0 23h 1
2026-05-10 10 8–14 2.5 µg/m³ 3.6 5h 2
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