Air Quality in Welisara, Sri Lanka

Rain
27.4°C · 84.2% humidity
27.4°
Feels 33.4°
32
Good
Air quality is satisfactory. Enjoy outdoor activities.
5 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
27 12pm
18
30
32 3pm
30
29
28 6pm
34
24
24 9pm
26
23
23 12am
23
23
22 3am
23
23
23 6am
23
25
25 9am
23
23
Station readings
27
18
30
29
CAMS model adj -2
25
27
27
27
27
27
27
34
25
25
27
25
25
25
25
24
25
25
25
25
27
27
25
25

Air Quality Index Trend

48h · 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.

84.2%
Humidity
135.4 km/h
Wind WSW
1008.7 hPa
Pressure
4.4
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
32
7.67 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Welisara?

Temperature & Precipitation

PM2.5 Trend

48h · 2 stations
PM2.57.67 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX4.4
Moderate
Station readings (5 stations within 25 km)
7.67
Median
7.12
Average
0.73
Low
13.2
High
PM2.5 µg/m³ · Model: 6.25 · Bias: -1.4

What is the 7-day forecast for Welisara?

09-22
27.9° 27.4°
12.44 mm
09-23
28.0° 27.6°
10.06 mm
09-24
27.8° 27.6°
9.81 mm
09-25
27.9° 26.8°
17.87 mm
09-26
27.6° 26.4°
18.5 mm
09-27
27.8° 26.9°
11.25 mm
09-28
28.1° 27.6°
5.06 mm
Both models agree Avg diff: 0.6°C

Where are air quality stations near Welisara?

33
Battaramulla
14.6 km PM2.5: 8.0 µg/m³ PM10: 15.8 µg/m³
97
Battaramulla
14.6 km PM2.5: 34.0 µg/m³
30
Battaramulla
14.6 km PM2.5: 7.2 µg/m³ PM10: 13.0 µg/m³
66
Battaramulla
14.6 km PM2.5: 19.0 µg/m³
38
Battaramulla
14.6 km PM2.5: 9.0 µg/m³
32
Battaramulla
14.6 km PM2.5: 7.6 µg/m³ PM10: 12.8 µg/m³
115
Battaramulla
14.6 km PM2.5: 41.2 µg/m³ PM10: 68.2 µg/m³
95
Battaramulla
14.6 km PM2.5: 33.0 µg/m³ PM10: 55.0 µg/m³
55
Battaramulla
14.6 km PM2.5: 14.0 µg/m³
27
Battaramulla
14.6 km PM2.5: 6.4 µg/m³ PM10: 12.2 µg/m³

What cities are near Welisara?

32 Kandana 32 Wattala 32 Hendala 31 Ja Ela 32 Peliyagoda 35 Kelaniya 33 Kolonnawa 36 Mulleriyawa 37 Kotikawatta 29 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 2026-09-22T10:46 UTC.