Monitoring
Weekly Air Quality in Selected Towns of Sri Lanka (03 – 09 November 2025)
On November 9, 2025, Air Quality across Sri Lanka reached unhealthy levels (AQI above 150). Such levels used to be rare, however, with the AQI in Northern...
Climate Bulletin for Sri Lanka (Week of 07 November – 14 November 2025)
Highlights Rainfall is predicted to intensify across Sri Lanka, particularly over the western region, from the 5th-11th Nov. Winds were northwesterly last...
Weekly Air Quality in Selected Towns of Sri Lanka (27 October – 02 November 2025)
On 31 October and 1 November 2025, the Western Coastal region (Colombo, Battaramulla to Chilaw) recorded Unhealthy daily AQI levels exceeding 150. The...
Climate Bulletin for Sri Lanka (Week of 31 October – 07 November 2025)
Highlights Rainfall is predicted to intensify across Sri Lanka, particularly over the western region, from the 4th-10th Nov. Winds remained westerly last...
Weekly Air Quality in Selected Towns of Sri Lanka (20 – 26 October 2025)
The highest AQ values were recorded from the Colombo Pelawatte station this week while the second highest was from Gregoory’s Road, Colombo. Akurana town...
Climate Bulletin for Sri Lanka (Week of 24 October – 31 October 2025)
Highlights Rainfall is predicted to intensify across Sri Lanka during the next two weeks, particularly extremely over the eastern, western and southern...
Weekly Air Quality in Selected Towns of Sri Lanka (13 – 19 October 2025)
The highest AQ values were recorded from the Colombo Pelawatte station this week while the second highest was from Gregoory’s Road, Colombo. Akurana town...
Climate Bulletin for Sri Lanka (Week of 17 October – 24 October 2025)
Highlights Rainfall is predicted to intensify across Sri Lanka during the next two weeks, particularly extremely over the eastern, western and southern...
Weekly Air Quality in Selected Towns of Sri Lanka (06 – 12 October 2025)
The highest AQ values were recorded from the Colombo Pelawatte station this week while the second highest was from Gregoory’s Road, Colombo. Akurana town...
Climate Bulletin for Sri Lanka (Week of 10 October – 17 October 2025)
Highlights Rainfall has increased across the Sri Lanka (SL) since 4th October. The average of station rainfall totals across SL for October 1-6 was 33mm....