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Air Quality History for Kolonnawa, Sri Lanka

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

63
Current AQI
Moderate Station
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

377h

PM2.5 Station

377h · 1 station

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg PM10 avg Hours Stations
2026-07-22 32 2–61 8.5 µg/m³ 9.3 6h 1
2026-07-21 47 1–76 12.7 µg/m³ 15.1 23h 1
2026-07-20 4 1–14 0.8 µg/m³ 1.0 15h 1
2026-07-19 9 1–67 2.1 µg/m³ 2.6 16h 1
2026-07-18 9 3–44 2.1 µg/m³ 2.5 15h 1
2026-07-17 11 1–66 2.8 µg/m³ 3.5 22h 1
2026-07-16 28 4–76 8.0 µg/m³ 9.6 13h 1
2026-07-15 12 1–71 3.4 µg/m³ 4.2 22h 1
2026-07-14 13 1–57 3.2 µg/m³ 4.2 20h 1
2026-07-13 21 2–31 4.7 µg/m³ 6.4 19h 1
2026-07-12 6 1–30 1.1 µg/m³ 1.7 19h 1
2026-07-11 4 1–17 0.7 µg/m³ 1.2 18h 1
2026-07-10 2 1–7 0.5 µg/m³ 1.1 9h 1
2026-07-09 33 1–96 8.0 µg/m³ 9.4 17h 1
2026-07-08 36 18–102 9.1 µg/m³ 10.4 24h 2
2026-07-07 53 28–97 14.4 µg/m³ 11.8 24h 2
2026-07-06 61 46–109 17.0 µg/m³ 16.3 13h 2
2026-07-05 48 32–81 12.4 µg/m³ 12.4 24h 3
2026-07-04 38 19–86 10.3 µg/m³ 10.6 24h 3
2026-07-03 33 19–53 8.0 µg/m³ 7.7 24h 3
2026-07-02 25 10–38 6.1 µg/m³ 5.8 10h 3
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