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Air Quality History for Barreiro, Portugal

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

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

Air Quality Index Station

332h

PM2.5 Station

332h · 1 station

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg PM10 avg Hours Stations
2026-07-22 52 41–72 13.6 µg/m³ 20.6 9h 2
2026-07-21 35 11–65 8.6 µg/m³ 15.4 24h 3
2026-07-20 50 35–69 12.5 µg/m³ 20.0 24h 3
2026-07-19 33 21–49 7.9 µg/m³ 14.0 24h 3
2026-07-18 23 10–61 5.7 µg/m³ 10.7 24h 3
2026-07-17 14 7–26 3.3 µg/m³ 7.1 24h 3
2026-07-16 14 3–44 3.5 µg/m³ 5.3 23h 2
2026-07-15 16 10–50 4.0 µg/m³ 9.1 23h 2
2026-07-14 13 5–36 3.1 µg/m³ 8.5 24h 3
2026-07-13 17 4–37 4.1 µg/m³ 9.7 23h 3
2026-07-12 20 12–37 4.8 µg/m³ 11.5 24h 3
2026-07-11 25 17–45 6.0 µg/m³ 13.9 24h 3
2026-07-10 24 19–38 5.7 µg/m³ 12.9 24h 3
2026-07-09 25 17–35 6.0 µg/m³ 15.2 24h 3
2026-07-08 30 27–38 7.3 µg/m³ 15.1 14h 3
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