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Air Quality History for Colombo, Sri Lanka

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

17
Current AQI
Good Station
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

474h

PM2.5 Station

474h · 1 station

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg Hours Stations
2026-06-09 17 9–33 4.1 µg/m³ 17h 1
2026-06-08 30 4–110 8.2 µg/m³ 24h 2
2026-06-07 26 8–79 6.6 µg/m³ 24h 2
2026-06-06 14 4–24 3.3 µg/m³ 24h 2
2026-06-05 26 8–58 6.4 µg/m³ 24h 2
2026-06-04 16 6–46 3.8 µg/m³ 24h 2
2026-06-03 24 4–50 5.9 µg/m³ 24h 1
2026-06-02 32 13–84 8.2 µg/m³ 24h 2
2026-06-01 38 12–89 9.8 µg/m³ 21h 2
2026-05-31 45 6–124 12.7 µg/m³ 24h 1
2026-05-30 54 38–76 14.4 µg/m³ 24h 1
2026-05-29 54 8–102 15.4 µg/m³ 24h 1
2026-05-28 41 12–76 10.6 µg/m³ 24h 1
2026-05-27 38 2–91 10.0 µg/m³ 24h 2
2026-05-26 31 15–61 7.5 µg/m³ 24h 1
2026-05-25 29 4–89 7.4 µg/m³ 24h 1
2026-05-24 29 14–44 6.9 µg/m³ 24h 1
2026-05-23 40 11–78 10.7 µg/m³ 24h 1
2026-05-22 44 19–106 11.6 µg/m³ 22h 2
2026-05-21 32 13–67 7.9 µg/m³ 24h 1
2026-05-20 26 21–46 6.3 µg/m³ 6h 1
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