Air Quality in Wattala, Sri Lanka

Drizzle
28.1°C · 81.7% humidity
28.1°
Feels 34.3°
14
Good
Air quality is satisfactory. Enjoy outdoor activities.
4 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
15 2pm
15
13
14 5pm
22
42
22 8pm
22
15
15 11pm
15
15
13 2am
13
13
13 5am
15
22
22 8am
15
15
15 11am
22
22
Station readings
9
22
13
CAMS model adj -12
27
27
27
27
34
54
34
34
27
27
27
27
25
25
25
25
27
34
34
27
27
27
34
34
AD 728×90

Air Quality Index Trend

47h · 2 stn

Wattala'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.

81.7%
Humidity
101.3 km/h
Wind WSW
1010.1 hPa
Pressure
2.9
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
14
3.35 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Wattala?

Temperature & Precipitation

PM2.5 Trend

47h · 2 stations
PM2.53.35 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX2.9
Moderate
AD 300×250
Station readings (4 stations within 25 km)
3.35
Median
3.43
Average
0.1
Low
6.26
High
PM2.5 µg/m³ · Model: 6.25 · Bias: +2.9

What is the 7-day forecast for Wattala?

06-09
28.3° 28.1°
2.06 mm
06-10
28.1° 27.7°
7.56 mm
06-11
28.4° 27.7°
5.56 mm
06-12
28.0° 27.7°
10.38 mm
06-13
27.9° 27.6°
7.63 mm
06-14
27.9° 27.6°
8.81 mm
06-15
28.0° 27.7°
2.38 mm
Both models agree Avg diff: 1.1°C

Where are air quality stations near Wattala?

21
FECT Colombo
9.0 km 33.8°C 81.0% RH PM2.5: 5.0 µg/m³ PM10: 6.5 µg/m³
20
Kotte
9.3 km PM2.5: 4.8 µg/m³ PM10: 1.9 µg/m³
13
Colombo 07
9.5 km PM2.5: 3.2 µg/m³ PM10: 1.7 µg/m³
84
Battaramulla
10.7 km PM2.5: 28.0 µg/m³
50
Battaramulla
10.7 km PM2.5: 12.0 µg/m³
84
Battaramulla
10.7 km PM2.5: 27.6 µg/m³ PM10: 42.6 µg/m³
95
Battaramulla
10.7 km PM2.5: 33.0 µg/m³
35
Battaramulla
10.7 km PM2.5: 8.4 µg/m³ PM10: 16.0 µg/m³
63
Battaramulla
10.7 km PM2.5: 17.8 µg/m³ PM10: 30.6 µg/m³
82
Battaramulla
10.7 km PM2.5: 27.0 µg/m³

What cities are near Wattala?

14 Hendala 15 Peliyagoda 14 Welisara 12 Kelaniya 15 Kolonnawa 14 Kandana 12 Kotikawatta 10 Mulleriyawa 15 Colombo 14 Ja Ela
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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 2026-06-09T12:03 UTC.