Air Quality in Chilaw, Sri Lanka

Windy
28.1°C · 81.2% humidity
28.1°
Feels 34.2°
15
Good
Air quality is satisfactory. Enjoy outdoor activities.
Calibrated model

Nearby Monitoring Stations

AQI Forecast Calibrated
31 7pm
31
31
15 10pm
20
23
25 1am
27
28
29 4am
29
30
30 7am
30
31
31 10am
31
31
31 1pm
31
31
38 4pm
38
31
Station readings 31h ago
AQI 28
PM2.5 6.8 µg/m³ · 31h 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
34
34
27
AD 728×90

Air Quality Index Trend

17h · 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.

81.2%
Humidity
149.4 km/h
Wind WSW
1009.8 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5
15
3.52 µg/m³
PM10▲
19
20.55 µg/m³
050100150200300500

What is the weather forecast for Chilaw?

Temperature & Precipitation

PM2.5 Trend

17h · 1 station
PM2.53.52 µg/m³ ✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX0.7
Low
AD 300×250

What is the 7-day forecast for Chilaw?

06-09
28.2° 27.9°
0.5 mm
06-10
27.9° 27.7°
2.13 mm
06-11
27.9° 27.8°
1.69 mm
06-12
27.8° 27.5°
2.5 mm
06-13
27.7° 27.3°
1.56 mm
06-14
27.7° 27.4°
1.69 mm
06-15
27.7° 27.3°
0.44 mm
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?

13 Negombo 13 Katunayaka 52 Puttalam 14 Ja Ela 14 Kandana 14 Welisara 15 Kurunegala 14 Hendala 14 Wattala 14 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 2026-06-09T17:28 UTC.