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Air Quality History for Belém, Portugal

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

58
Current AQI
Moderate Station
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

475h

PM2.5 Station

475h · 2 stations

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg PM10 avg Hours Stations
2026-09-05 63 52–75 17.6 µg/m³ 19.4 21h 2
2026-09-04 48 14–66 12.6 µg/m³ 14.4 24h 2
2026-09-03 43 27–61 10.7 µg/m³ 11.6 24h 2
2026-09-02 30 6–62 7.4 µg/m³ 8.4 24h 2
2026-09-01 6 4–12 1.6 µg/m³ 2.4 23h 1
2026-08-31 10 4–15 2.5 µg/m³ 3.2 24h 2
2026-08-30 7 1–34 1.6 µg/m³ 2.0 22h 1
2026-08-29 10 4–22 2.3 µg/m³ 3.0 24h 2
2026-08-28 8 2–15 1.8 µg/m³ 2.4 24h 1
2026-08-27 6 2–16 1.5 µg/m³ 2.5 24h 1
2026-08-26 8 2–15 1.9 µg/m³ 2.9 24h 1
2026-08-25 16 11–34 3.9 µg/m³ 5.2 24h 2
2026-08-24 17 9–28 4.1 µg/m³ 6.1 24h 2
2026-08-23 15 6–45 3.5 µg/m³ 4.8 24h 2
2026-08-22 8 3–20 2.0 µg/m³ 2.7 24h 1
2026-08-21 6 3–12 1.5 µg/m³ 2.3 24h 1
2026-08-20 29 4–80 8.3 µg/m³ 9.4 24h 2
2026-08-19 42 26–56 10.3 µg/m³ 11.7 24h 2
2026-08-18 56 35–67 14.9 µg/m³ 17.0 24h 2
2026-08-17 88 51–132 29.0 µg/m³ 34.1 24h 2
2026-08-16 122 122–122 44.1 µg/m³ 54.3 1h 2
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