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
Good Station
Air Quality Index Station
251hPM2.5 Station
251h · 1 stationTemperature GFS model
56ptPrecipitation GFS model
mm/dayDaily 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 | 35 | 20–75 | 8.8 µg/m³ | 9.7 | 18h | 2 |