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Air Quality History for Alfena, Portugal

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

16
Current AQI
Good Station
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

458h

PM2.5 Station

458h · 4 stations

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg PM10 avg Hours Stations
2026-07-22 36 33–40 8.6 µg/m³ 9.0 10h 4
2026-07-21 41 36–55 9.9 µg/m³ 9.0 24h 4
2026-07-20 42 34–53 10.2 µg/m³ 9.0 23h 4
2026-07-19 39 2–48 9.4 µg/m³ 9.0 24h 3
2026-07-18 43 29–46 10.3 µg/m³ 9.3 24h 2
2026-07-17 40 29–46 9.5 µg/m³ 9.0 23h 3
2026-07-16 41 32–72 10.0 µg/m³ 9.0 24h 3
2026-07-15 41 32–53 9.8 µg/m³ 9.0 24h 4
2026-07-14 40 22–49 9.6 µg/m³ 9.0 24h 4
2026-07-13 40 25–49 9.4 µg/m³ 9.0 24h 4
2026-07-12 39 34–40 9.2 µg/m³ 9.0 24h 4
2026-07-11 40 34–46 9.4 µg/m³ 9.0 24h 4
2026-07-10 39 33–45 9.3 µg/m³ 9.0 24h 4
2026-07-09 38 33–43 9.1 µg/m³ 9.0 24h 4
2026-07-08 39 24–49 9.2 µg/m³ 9.0 24h 4
2026-07-07 39 33–52 9.4 µg/m³ 9.0 23h 4
2026-07-06 34 9–40 8.1 µg/m³ 9.0 13h 3
2026-07-05 38 31–55 9.1 µg/m³ 9.0 23h 4
2026-07-04 40 33–52 9.6 µg/m³ 9.0 23h 4
2026-07-03 37 32–44 9.0 µg/m³ 9.0 24h 4
2026-07-02 37 32–41 8.9 µg/m³ 9.0 8h 4
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