Air Quality in Welisara, LK

Windy
29.2°C · 70.2% humidity
29.2°
Feels 34.5°
25
Good
Air quality is satisfactory. Enjoy outdoor activities.
3 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
31 2pm
31
38
18 5pm
45
45
45 8pm
45
45
45 11pm
45
45
45 2am
21
21
21 5am
21
21
21 8am
21
21
21 11am
45
21
Station readings
31
31
38
18
CAMS model adj -54
75
75
99
99
99
99
99
99
99
99
99
99
99
75
75
75
75
75
75
75
75
75
99
75
AD 728×90

PM2.5 Trend (24h)

27h · 2 stations
70.2%
Humidity
69.7 km/h
Wind SW
1012.8 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

What is the weather forecast for Welisara?

Temperature & Precipitation

PM2.55.93 µg/m³ ✓ WHO
Good
PM1041.2 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (3 stations within 25 km)
5.93
Median
6.53
Average
5.03
Low
8.63
High
PM2.5 µg/m³ · Model: 29.15 · Bias: +23.2

What is the 7-day forecast for Welisara?

04-09
29.2° 28.7°
0.31 mm
04-10
29.3° 28.6°
0.31 mm
04-11
29.1° 28.9°
1.63 mm
04-12
29.4° 28.9°
2.19 mm
04-13
29.6° 28.9°
1.19 mm
04-14
29.3° 28.4°
1.56 mm
04-15
29.2° 28.4°
0.56 mm
Both models agree Avg diff: 1.0°C

Where are air quality stations near Welisara?

95
Kolonnawa
10.7 km PM2.5: 33.0 µg/m³ PM10: 23.0 µg/m³
33
FECT Colombo
13.5 km 35.0°C 57.0% RH PM2.5: 7.9 µg/m³ PM10: 9.4 µg/m³
112
Kotte
13.6 km PM2.5: 40.0 µg/m³ PM10: 25.0 µg/m³
93
Colombo 07
14.0 km PM2.5: 32.0 µg/m³ PM10: 20.0 µg/m³
82
Battaramulla
14.6 km PM2.5: 27.0 µg/m³
59
Battaramulla
14.6 km PM2.5: 16.0 µg/m³
61
Battaramulla
14.6 km PM2.5: 17.0 µg/m³
80
Battaramulla
14.6 km PM2.5: 26.0 µg/m³
84
Battaramulla
14.6 km PM2.5: 28.0 µg/m³
57
Battaramulla
14.6 km PM2.5: 15.0 µg/m³

What cities are near Welisara?

25 Kandana 25 Wattala 25 Hendala 25 Ja Ela 25 Peliyagoda 25 Kelaniya 25 Kolonnawa 25 Mulleriyawa 25 Kotikawatta 25 Colombo

Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-04-09T17:36 UTC.