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Air Quality History for Welisara, Sri Lanka

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

5
Current AQI
Good Station
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

376h

PM2.5 Station

376h · 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 37 2–61 10.1 µg/m³ 11.0 5h 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 3.1 µg/m³ 4.1 20h 1
2026-07-13 18 2–31 4.1 µg/m³ 5.6 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 32 1–96 7.7 µg/m³ 8.1 17h 1
2026-07-08 37 20–75 9.4 µg/m³ 8.4 24h 2
2026-07-07 52 23–97 13.9 µg/m³ 8.6 24h 2
2026-07-06 64 35–113 18.9 µg/m³ 15.6 13h 2
2026-07-05 46 27–81 12.4 µg/m³ 10.5 24h 3
2026-07-04 39 18–72 10.1 µg/m³ 8.1 24h 3
2026-07-03 30 20–44 7.2 µg/m³ 4.6 24h 3
2026-07-02 23 10–38 5.4 µg/m³ 3.5 10h 3
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