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Air Quality History for Belém, Portugal

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

23
Current AQI
Good Station
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

459h

PM2.5 Station

459h · 2 stations

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg PM10 avg Hours Stations
2026-06-09 9 5–20 2.2 µg/m³ 3.1 15h 2
2026-06-08 9 2–15 2.2 µg/m³ 2.8 23h 2
2026-06-07 11 5–18 2.7 µg/m³ 3.8 24h 2
2026-06-06 13 5–33 3.2 µg/m³ 4.8 22h 2
2026-06-05 7 3–15 1.7 µg/m³ 2.7 21h 1
2026-06-04 15 5–47 3.6 µg/m³ 5.1 24h 2
2026-06-03 8 3–26 1.9 µg/m³ 2.8 23h 1
2026-06-02 5 1–12 1.2 µg/m³ 1.9 23h 1
2026-06-01 10 1–22 2.3 µg/m³ 2.8 21h 2
2026-05-31 8 3–14 1.9 µg/m³ 2.9 24h 2
2026-05-30 31 23–40 7.4 µg/m³ 8.4 24h 2
2026-05-29 38 24–56 9.2 µg/m³ 10.5 24h 2
2026-05-28 41 22–69 10.5 µg/m³ 11.9 24h 2
2026-05-27 26 12–42 6.1 µg/m³ 6.8 24h 2
2026-05-26 37 19–63 9.3 µg/m³ 10.1 24h 2
2026-05-25 32 10–53 7.7 µg/m³ 8.8 24h 2
2026-05-24 51 35–61 12.7 µg/m³ 14.8 24h 2
2026-05-23 25 4–47 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 21 5–31 5.1 µg/m³ 5.6 8h 1
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