Air Quality in Welisara, Sri Lanka

Drizzle
27.2°C · 82.6% humidity
27.2°
Feels 33.0°
31
Good
Air quality is satisfactory. Enjoy outdoor activities.
4 stations

Nearby Monitoring Stations

AQI Forecast
23 11am
20
22
31 2pm
27
27
34 5pm
34
34
34 8pm
34
34
27 11pm
27
27
25 2am
25
25
27 5am
27
27
34 8am
27
27
Station readings
23
20
22
CAMS model
27
27
27
27
27
27
34
34
34
34
34
34
27
27
27
25
25
25
27
27
27
34
27
27
AD 728×90

Air Quality Index Trend

47h · 2 stn

Welisara's air quality is affected by vehicle emissions, industrial activity, and seasonal crop burning. Air quality typically worsens from November to February due to temperature inversions trapping pollutants near the surface.

82.6%
Humidity
104.2 km/h
Wind SW
1011.3 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
31
7.38 µg/m³
PM10
19
20.55 µg/m³
050100150200300500

What is the weather forecast for Welisara?

Temperature & Precipitation

PM2.5 Trend

47h · 2 stations
PM2.57.38 µg/m³ ✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (4 stations within 25 km)
7.38
Median
7.0
Average
3.46
Low
9.94
High
PM2.5 µg/m³ · Model: 6.25 · Bias: -1.1

What is the 7-day forecast for Welisara?

08-03
27.3° 26.7°
8.0 mm
08-04
27.5° 26.8°
2.94 mm
08-05
27.5° 27.3°
0.56 mm
08-06
27.3° 27.1°
7.37 mm
08-07
27.5° 27.1°
2.56 mm
08-08
27.6° 27.2°
1.31 mm
08-09
27.7° 26.9°
5.81 mm
Both models agree Avg diff: 0.9°C

Where are air quality stations near Welisara?

85
Kolonnawa
10.7 km PM2.5: 28.5 µg/m³ PM10: 21.4 µg/m³
53
Colombo 07
14.0 km PM2.5: 13.1 µg/m³ PM10: 7.9 µg/m³
104
Battaramulla
14.6 km PM2.5: 36.8 µg/m³ PM10: 63.0 µg/m³
46
Battaramulla
14.6 km PM2.5: 11.0 µg/m³ PM10: 21.6 µg/m³
66
Battaramulla
14.6 km PM2.5: 19.2 µg/m³ PM10: 35.0 µg/m³
73
Battaramulla
14.6 km PM2.5: 22.4 µg/m³ PM10: 38.6 µg/m³
63
Battaramulla
14.6 km PM2.5: 17.6 µg/m³ PM10: 32.6 µg/m³
63
Battaramulla
14.6 km PM2.5: 17.6 µg/m³ PM10: 31.0 µg/m³
49
Battaramulla
14.6 km PM2.5: 11.8 µg/m³ PM10: 21.0 µg/m³
47
Battaramulla
14.6 km PM2.5: 11.2 µg/m³ PM10: 22.4 µg/m³

What cities are near Welisara?

30 Kandana 31 Wattala 31 Hendala 30 Ja Ela 32 Peliyagoda 31 Kelaniya 34 Kolonnawa 30 Mulleriyawa 31 Kotikawatta 34 Colombo
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Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-08-08T09:11 UTC.