Air Quality in Chilaw, Sri Lanka

Drizzle
27.9°C · 85.9% humidity
27.9°
Feels 34.5°
13
Good
Air quality is satisfactory. Enjoy outdoor activities.
Calibrated model

Nearby Monitoring Stations

AQI Forecast Calibrated
31 3pm
31
31
13 6pm
18
22
24 9pm
26
28
29 12am
29
30
30 3am
30
31
31 6am
31
31
31 9am
31
31
31 12pm
31
31
Station readings 27h ago
AQI 28
PM2.5 6.8 µg/m³ · 27h ago
CAMS model adj +4
27
27
27
27
27
27
27
27
27
27
27
27
27
27
27
27
27
27
27
27
27
27
27
27
AD 728×90

Air Quality Index Trend

21h · 1 stn

Chilaw'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.

85.9%
Humidity
129.3 km/h
Wind SW
1009.2 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5
13
3.12 µg/m³
PM10▲
19
20.55 µg/m³
050100150200300500

What is the weather forecast for Chilaw?

Temperature & Precipitation

PM2.5 Trend

21h · 1 station
PM2.53.12 µg/m³ ✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Both models agree Avg diff: 0.8°C

Where are air quality stations near Chilaw?

23
Chilaw
0.8 km PM2.5: 5.4 µg/m³ PM10: 12.4 µg/m³
38
Chilaw
0.8 km PM2.5: 9.2 µg/m³ PM10: 14.2 µg/m³
29
Chilaw
0.8 km PM2.5: 7.0 µg/m³ PM10: 16.4 µg/m³
21
Chilaw
0.8 km PM2.5: 5.0 µg/m³ PM10: 10.4 µg/m³
42
Chilaw
0.8 km PM2.5: 10.0 µg/m³ PM10: 15.4 µg/m³
38
Chilaw
0.8 km PM2.5: 9.2 µg/m³ PM10: 19.4 µg/m³
23
Chilaw
0.8 km PM2.5: 5.6 µg/m³ PM10: 11.8 µg/m³
42
Chilaw
0.8 km PM2.5: 10.2 µg/m³ PM10: 20.2 µg/m³
25
Chilaw
0.8 km PM2.5: 6.0 µg/m³ PM10: 14.4 µg/m³
71
Chilaw
0.8 km PM2.5: 21.8 µg/m³ PM10: 35.2 µg/m³

What cities are near Chilaw?

15 Negombo 15 Katunayaka 20 Puttalam 17 Ja Ela 17 Kandana 16 Welisara 13 Kurunegala 17 Hendala 17 Wattala 18 Peliyagoda
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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 2026-06-09T13:11 UTC.