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Air Quality History for São Martinho, Portugal

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

37
Current AQI
Good Station
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

315h

PM2.5 Station

315h · 1 station

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg Hours Stations
2026-09-05 26 13–52 6.2 µg/m³ 11h 2
2026-09-04 31 7–61 7.7 µg/m³ 18h 1
2026-09-03 27 8–58 6.5 µg/m³ 17h 1
2026-09-02 27 10–39 6.5 µg/m³ 14h 2
2026-09-01 25 16–37 6.1 µg/m³ 15h 2
2026-08-31 25 11–34 6.1 µg/m³ 17h 1
2026-08-30 29 6–57 7.1 µg/m³ 16h 2
2026-08-29 28 5–48 6.8 µg/m³ 14h 2
2026-08-28 56 14–187 21.5 µg/m³ 19h 1
2026-08-27 40 7–77 10.1 µg/m³ 18h 1
2026-08-26 32 8–66 8.2 µg/m³ 13h 2
2026-08-25 29 6–43 7.0 µg/m³ 16h 2
2026-08-24 31 9–49 7.5 µg/m³ 18h 1
2026-08-23 26 5–53 6.2 µg/m³ 16h 2
2026-08-22 31 12–80 8.0 µg/m³ 15h 2
2026-08-21 32 9–87 8.3 µg/m³ 14h 1
2026-08-20 27 13–46 6.6 µg/m³ 16h 2
2026-08-19 28 10–52 6.8 µg/m³ 15h 1
2026-08-18 36 10–93 9.8 µg/m³ 15h 1
2026-08-17 30 4–54 7.4 µg/m³ 15h 2
2026-08-16 41 13–72 11.5 µg/m³ 3h 1
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