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Air Quality History for Kolonnawa, Sri Lanka

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

36
Current AQI
Good Station
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

458h

PM2.5 Station

458h · 2 stations

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg PM10 avg Hours Stations
2026-09-22 30 20–57 7.3 µg/m³ 10.3 12h 2
2026-09-21 55 15–103 16.2 µg/m³ 20.6 24h 2
2026-09-20 33 15–67 8.1 µg/m³ 13.7 24h 2
2026-09-19 33 1–181 11.9 µg/m³ 17.6 20h 1
2026-09-18 49 10–84 13.5 µg/m³ 18.1 24h 1
2026-09-17 30 1–77 7.3 µg/m³ 11.5 19h 2
2026-09-16 31 1–68 8.0 µg/m³ 8.8 18h 1
2026-09-15 42 1–81 12.0 µg/m³ 14.0 22h 1
2026-09-14 22 2–69 5.6 µg/m³ 6.4 23h 1
2026-09-13 8 2–59 1.9 µg/m³ 2.3 23h 1
2026-09-12 23 1–71 5.8 µg/m³ 6.7 22h 1
2026-09-11 39 3–93 10.9 µg/m³ 15.2 24h 1
2026-09-10 71 33–115 22.2 µg/m³ 29.2 24h 2
2026-09-09 37 8–94 10.3 µg/m³ 2.7 24h 2
2026-09-08 33 18–74 8.4 µg/m³ 3.0 24h 2
2026-09-07 48 12–75 12.7 µg/m³ 7.2 24h 1
2026-09-06 45 20–98 12.4 µg/m³ 7.7 24h 2
2026-09-05 35 13–60 8.6 µg/m³ 1.4 24h 2
2026-09-04 39 12–74 10.1 µg/m³ 4.5 24h 2
2026-09-03 33 12–60 8.1 µg/m³ 1.9 24h 2
2026-09-02 26 12–38 6.3 µg/m³ 3.3 11h 1
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