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Air Quality History for Sintra, Portugal

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

4
Current AQI
Good Station
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

459h

PM2.5 Station

459h · 1 station

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg PM10 avg Hours Stations
2026-06-09 7 1–22 1.7 µg/m³ 2.4 20h 2
2026-06-08 8 2–15 1.8 µg/m³ 2.3 23h 2
2026-06-07 8 3–15 2.0 µg/m³ 2.9 24h 2
2026-06-06 11 1–33 2.6 µg/m³ 4.0 22h 2
2026-06-05 7 2–15 1.6 µg/m³ 2.6 21h 1
2026-06-04 12 4–22 2.8 µg/m³ 3.9 24h 2
2026-06-03 7 1–34 1.7 µg/m³ 2.5 23h 1
2026-06-02 5 1–12 1.1 µg/m³ 1.7 23h 1
2026-06-01 9 1–26 2.1 µg/m³ 2.6 21h 2
2026-05-31 7 2–13 1.6 µg/m³ 2.5 24h 2
2026-05-30 29 17–38 7.0 µg/m³ 7.7 24h 2
2026-05-29 38 19–59 9.3 µg/m³ 10.6 24h 2
2026-05-28 40 18–76 10.6 µg/m³ 12.1 24h 2
2026-05-27 22 5–37 5.3 µg/m³ 5.9 24h 2
2026-05-26 35 5–69 9.1 µg/m³ 10.0 24h 2
2026-05-25 27 7–60 6.5 µg/m³ 7.5 24h 2
2026-05-24 51 14–69 13.0 µg/m³ 15.4 24h 2
2026-05-23 25 3–53 6.1 µg/m³ 7.3 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 12 5–18 2.9 µg/m³ 3.0 3h 1
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