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Air Quality History for Kolonnawa, Sri Lanka

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

19
Current AQI
Good Station
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

475h

PM2.5 Station

475h · 1 station

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg PM10 avg Hours Stations
2026-06-09 18 9–33 4.3 µg/m³ 5.7 14h 1
2026-06-08 30 4–110 8.2 µg/m³ 10.0 24h 2
2026-06-07 26 8–79 6.8 µg/m³ 10.1 24h 2
2026-06-06 14 4–27 3.4 µg/m³ 6.1 24h 2
2026-06-05 27 9–58 6.6 µg/m³ 9.5 24h 2
2026-06-04 16 6–46 3.8 µg/m³ 3.3 24h 2
2026-06-03 25 4–50 5.9 µg/m³ 13.5 24h 1
2026-06-02 32 13–84 8.3 µg/m³ 9.9 24h 2
2026-06-01 38 12–89 10.0 µg/m³ 1.8 21h 2
2026-05-31 46 6–129 13.0 µg/m³ 13.0 24h 1
2026-05-30 54 38–76 14.4 µg/m³ 28.6 24h 1
2026-05-29 54 8–102 15.6 µg/m³ 0.6 24h 1
2026-05-28 42 12–76 10.7 µg/m³ 2.2 24h 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 29 21–46 7.0 µg/m³ 0.3 10h 1
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