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Air Quality History for Chilaw, Sri Lanka

Historical PM2.5 and AQI trend from monitoring stations near Chilaw, Sri Lanka.

68
Current AQI
Moderate Station
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

272h

PM2.5 Station

272h · 1 station

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg PM10 avg Hours Stations
2026-09-22 49 35–80 12.9 µg/m³ 25.1 10h 1
2026-09-21 50 28–181 15.8 µg/m³ 29.1 24h 1
2026-09-20 36 25–51 8.7 µg/m³ 17.6 24h 1
2026-09-19 42 33–65 10.2 µg/m³ 20.0 24h 1
2026-09-18 36 16–73 8.9 µg/m³ 15.6 24h 1
2026-09-17 28 17–58 6.7 µg/m³ 11.7 21h 1
2026-09-16 45 17–90 12.5 µg/m³ 21.0 13h 1
2026-09-14 84 67–99 27.8 µg/m³ 50.2 7h 1
2026-09-13 64 59–76 18.3 µg/m³ 34.5 20h 1
2026-09-12 65 52–107 18.7 µg/m³ 32.8 22h 1
2026-09-11 54 45–84 14.0 µg/m³ 26.1 24h 1
2026-09-10 65 52–170 19.9 µg/m³ 35.3 24h 1
2026-09-09 64 44–167 18.9 µg/m³ 33.8 24h 1
2026-09-08 34 26–38 8.1 µg/m³ 16.1 11h 1
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