Air Quality in Welisara, Sri Lanka

Rain
28.8°C · 76.8% humidity
28.8°
Feels 34.8°
51
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
5 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
34 9pm
45
47
51 12am
46
43
41 3am
39
38
37 6am
39
45
38 9am
38
37
37 12pm
37
37
37 3pm
37
37
44 6pm
44
44
Station readings
34
45
47
CAMS model adj +10
34
27
25
25
25
25
25
25
25
25
27
34
27
27
27
27
27
27
27
27
27
34
34
34
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. Current PM2.5 concentration in Welisara is 2.4× the WHO annual guideline of 5 µg/m³.

76.8%
Humidity
140.9 km/h
Wind WSW
1010.5 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
51
12.16 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Welisara?

Temperature & Precipitation

PM2.5 Trend

47h · 2 stations
PM2.512.16 µg/m³ ✓ WHO
Moderate
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (5 stations within 25 km)
12.16
Median
11.23
Average
0.65
Low
20.0
High
PM2.5 µg/m³ · Model: 6.0 · Bias: -6.2

What is the 7-day forecast for Welisara?

05-28
29.2° 28.8°
6.69 mm
05-29
29.0° 28.1°
14.0 mm
05-30
28.7° 28.3°
23.63 mm
05-31
28.7° 28.4°
8.81 mm
06-01
28.6° 28.3°
4.94 mm
06-02
28.5° 28.1°
10.25 mm
06-03
28.7° 28.3°
8.56 mm
Both models agree Avg diff: 0.5°C

Where are air quality stations near Welisara?

78
FECT Colombo
13.5 km 30.0°C 75.0% RH PM2.5: 24.9 µg/m³ PM10: 27.2 µg/m³
20
Kotte
13.6 km PM2.5: 4.8 µg/m³ PM10: 1.9 µg/m³
84
Battaramulla
14.6 km PM2.5: 28.0 µg/m³
95
Battaramulla
14.6 km PM2.5: 33.0 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
35
Battaramulla
14.6 km PM2.5: 8.4 µg/m³ PM10: 16.0 µg/m³
82
Battaramulla
14.6 km PM2.5: 27.0 µg/m³
63
Battaramulla
14.6 km PM2.5: 17.8 µg/m³ PM10: 30.6 µg/m³
21
Battaramulla
14.6 km PM2.5: 5.0 µg/m³

What cities are near Welisara?

50 Kandana 52 Wattala 51 Hendala 50 Ja Ela 52 Peliyagoda 54 Kelaniya 52 Kolonnawa 55 Mulleriyawa 55 Kotikawatta 45 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 2026-05-28T19:02 UTC.