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Air Quality History for Colombo, Sri Lanka

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

45
Current AQI
Good Station
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

478h

PM2.5 Station

478h · 2 stations

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 43 15–76 11.3 µg/m³ 2.2 19h 1
2026-05-27 38 2–91 10.0 µg/m³ 8.4 24h 2
2026-05-26 31 15–61 7.5 µg/m³ 10.2 24h 1
2026-05-25 29 4–89 7.4 µg/m³ 11.9 24h 1
2026-05-24 29 14–44 6.9 µg/m³ 13.7 24h 1
2026-05-23 40 11–78 10.7 µg/m³ 18.2 24h 1
2026-05-22 44 19–106 11.6 µg/m³ 17.9 22h 2
2026-05-21 32 13–67 7.9 µg/m³ 13.5 24h 1
2026-05-20 27 11–62 6.6 µg/m³ 8.9 24h 1
2026-05-19 30 12–55 7.4 µg/m³ 10.9 24h 2
2026-05-18 61 33–132 17.1 µg/m³ 5.5 24h 2
2026-05-17 50 25–68 12.9 µg/m³ 5.1 24h 2
2026-05-16 62 42–77 17.3 µg/m³ 7.4 24h 2
2026-05-15 66 24–144 20.2 µg/m³ 9.9 24h 2
2026-05-14 72 40–119 22.1 µg/m³ 13.6 24h 2
2026-05-13 89 40–159 30.3 µg/m³ 34.7 24h 3
2026-05-12 90 49–136 30.3 µg/m³ 29.7 24h 3
2026-05-11 73 32–95 22.7 µg/m³ 21.8 24h 3
2026-05-10 43 11–85 12.3 µg/m³ 11.0 24h 3
2026-05-09 58 13–132 18.0 µg/m³ 16.6 24h 3
2026-05-08 81 65–96 26.4 µg/m³ 26.5 5h 3
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