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Air Quality History for San Marino, San Marino

Historical PM2.5 and AQI trend from monitoring stations near San Marino, San Marino.

55
Current AQI
Moderate Station
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

477h

PM2.5 Station

477h · 8 stations

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg PM10 avg Hours Stations
2026-09-23 29 21–61 7.2 µg/m³ 15.0 23h 11
2026-09-22 38 24–61 9.3 µg/m³ 32.9 24h 12
2026-09-21 33 19–52 8.0 µg/m³ 11.8 24h 12
2026-09-20 33 14–70 8.1 µg/m³ 6.5 24h 12
2026-09-19 33 18–51 7.8 µg/m³ 8.3 24h 14
2026-09-18 31 18–45 7.3 µg/m³ 9.6 24h 13
2026-09-17 35 14–69 8.8 µg/m³ 9.4 24h 13
2026-09-16 28 17–44 6.7 µg/m³ 2.8 24h 14
2026-09-15 26 17–39 6.2 µg/m³ 2.8 24h 12
2026-09-14 26 14–46 6.1 µg/m³ 2.7 24h 13
2026-09-13 27 15–46 6.5 µg/m³ 3.1 24h 11
2026-09-12 29 17–60 7.0 µg/m³ 3.8 24h 12
2026-09-11 44 20–164 13.2 µg/m³ 3.5 24h 12
2026-09-10 46 15–158 12.9 µg/m³ 10.8 24h 11
2026-09-09 38 16–102 9.8 µg/m³ 4.4 24h 12
2026-09-08 32 21–113 8.4 µg/m³ 4.6 24h 9
2026-09-07 27 18–40 6.6 µg/m³ 4.5 24h 12
2026-09-06 30 19–79 7.4 µg/m³ 5.2 24h 11
2026-09-05 47 17–123 13.6 µg/m³ 66.4 24h 12
2026-09-04 33 18–76 8.3 µg/m³ 4.2 22h 12
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