Air Quality in Welisara, Sri Lanka

Drizzle
27.9°C · 83.2% humidity
27.9°
Feels 34.2°
16
Good
Air quality is satisfactory. Enjoy outdoor activities.
3 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
13 3pm
12
17
16 6pm
20
20
13 9pm
13
13
13 12am
11
11
11 3am
11
11
11 6am
13
20
13 9am
13
20
20 12pm
20
20
Station readings
22
12
17
15
CAMS model adj -14
27
27
34
34
34
34
27
27
27
27
25
25
25
25
25
25
27
34
27
27
34
34
34
34
AD 728×90

Air Quality Index Trend

48h · 1 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.

83.2%
Humidity
105.3 km/h
Wind SW
1009.9 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
16
3.93 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Welisara?

Temperature & Precipitation

PM2.5 Trend

48h · 1 station
PM2.53.93 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (3 stations within 25 km)
3.93
Median
4.06
Average
0.35
Low
6.75
High
PM2.5 µg/m³ · Model: 7.1 · Bias: +3.2

What is the 7-day forecast for Welisara?

06-09
28.3° 27.9°
2.25 mm
06-10
28.0° 27.7°
5.69 mm
06-11
28.2° 27.9°
7.0 mm
06-12
28.0° 27.6°
10.81 mm
06-13
27.8° 27.5°
6.94 mm
06-14
27.8° 27.6°
8.94 mm
06-15
27.9° 27.5°
2.25 mm
Both models agree Avg diff: 0.7°C

Where are air quality stations near Welisara?

15
FECT Colombo
13.5 km 33.3°C 82.0% RH PM2.5: 3.5 µg/m³ PM10: 4.5 µg/m³
20
Kotte
13.6 km PM2.5: 4.8 µg/m³ PM10: 1.9 µg/m³
13
Colombo 07
14.0 km PM2.5: 3.2 µg/m³ PM10: 1.7 µg/m³
84
Battaramulla
14.6 km PM2.5: 28.0 µg/m³
50
Battaramulla
14.6 km PM2.5: 12.0 µg/m³
84
Battaramulla
14.6 km PM2.5: 27.6 µg/m³ PM10: 42.6 µg/m³
95
Battaramulla
14.6 km PM2.5: 33.0 µg/m³
35
Battaramulla
14.6 km PM2.5: 8.4 µg/m³ PM10: 16.0 µg/m³
63
Battaramulla
14.6 km PM2.5: 17.8 µg/m³ PM10: 30.6 µg/m³
82
Battaramulla
14.6 km PM2.5: 27.0 µg/m³

What cities are near Welisara?

17 Kandana 17 Wattala 17 Hendala 17 Ja Ela 18 Peliyagoda 14 Kelaniya 19 Kolonnawa 10 Mulleriyawa 14 Kotikawatta 20 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 2026-06-09T13:29 UTC.