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Air Quality History for Chilaw, Sri Lanka

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

27
Current AQI
Good Station
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

465h

PM2.5 Station

465h · 1 station

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg PM10 avg Hours Stations
2026-05-28 37 22–59 9.1 µg/m³ 19.3 22h 1
2026-05-27 58 26–162 19.0 µg/m³ 36.0 24h 1
2026-05-26 41 18–97 10.9 µg/m³ 20.9 24h 1
2026-05-25 49 25–163 14.3 µg/m³ 27.7 24h 1
2026-05-24 41 30–58 9.9 µg/m³ 20.3 24h 1
2026-05-23 34 20–68 8.6 µg/m³ 17.9 24h 1
2026-05-22 42 31–60 10.3 µg/m³ 20.9 17h 1
2026-05-21 34 4–57 8.2 µg/m³ 17.5 21h 1
2026-05-20 27 20–47 6.4 µg/m³ 14.0 24h 1
2026-05-19 35 23–91 8.8 µg/m³ 18.6 23h 1
2026-05-18 52 32–64 13.5 µg/m³ 23.4 24h 1
2026-05-17 60 47–72 16.3 µg/m³ 26.8 24h 1
2026-05-16 67 49–89 19.6 µg/m³ 31.9 24h 1
2026-05-15 53 19–74 14.2 µg/m³ 24.5 24h 1
2026-05-14 52 15–106 14.3 µg/m³ 23.9 23h 1
2026-05-13 72 57–94 22.1 µg/m³ 36.7 24h 1
2026-05-12 94 42–170 32.9 µg/m³ 52.1 24h 1
2026-05-11 64 28–88 18.9 µg/m³ 29.8 24h 1
2026-05-10 33 5–103 9.0 µg/m³ 14.7 21h 1
2026-05-09 41 7–127 11.4 µg/m³ 17.8 24h 1
2026-05-08 27 25–29 6.5 µg/m³ 10.9 2h 1
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