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Air Quality History for Kolonnawa, Sri Lanka

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

43
Current AQI
Good Station
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

477h

PM2.5 Station

477h · 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 44 15–76 11.6 µg/m³ 2.2 20h 1
2026-05-27 38 3–90 10.1 µg/m³ 8.3 24h 2
2026-05-26 31 16–61 7.6 µg/m³ 10.3 24h 1
2026-05-25 30 4–92 7.6 µg/m³ 12.2 24h 1
2026-05-24 30 15–46 7.1 µg/m³ 14.0 24h 1
2026-05-23 41 12–78 10.9 µg/m³ 18.4 24h 1
2026-05-22 45 20–110 11.9 µg/m³ 18.4 22h 2
2026-05-21 32 14–67 8.0 µg/m³ 13.5 24h 1
2026-05-20 27 11–61 6.7 µg/m³ 8.9 24h 1
2026-05-19 31 12–56 7.6 µg/m³ 11.3 24h 2
2026-05-18 61 35–132 17.3 µg/m³ 5.2 24h 2
2026-05-17 50 26–69 13.1 µg/m³ 4.8 24h 2
2026-05-16 62 42–79 17.5 µg/m³ 7.0 24h 2
2026-05-15 67 25–144 20.4 µg/m³ 9.5 24h 2
2026-05-14 72 40–119 22.1 µg/m³ 13.0 24h 2
2026-05-13 88 40–158 30.1 µg/m³ 34.2 24h 3
2026-05-12 90 50–135 30.3 µg/m³ 28.8 24h 3
2026-05-11 72 32–95 22.6 µg/m³ 21.1 24h 3
2026-05-10 44 12–84 12.4 µg/m³ 10.6 24h 3
2026-05-09 59 13–130 18.0 µg/m³ 16.1 24h 3
2026-05-08 81 72–93 26.5 µg/m³ 24.7 3h 3
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