Monitoring
Climate Bulletin for Sri Lanka (Week of 09 January – 16 January 2025)
Highlights Rainfall is predicted to intensify across Sri Lanka, particularly over the northern regions (55-75 mm), from the 02nd-05th Jan. Winds were...
Weekly Air Quality in Selected Towns of Sri Lanka (29 December 2025- 04 January 2026)
From 29–31 December, most areas across Sri Lanka recorded Unhealthy AQI values, with Unhealthy conditions being predominant. From 01–04 January, air...
Climate Bulletin for Sri Lanka (Week of 02 January – 09 January 2025)
Highlights Rainfall is predicted to intensify across Sri Lanka, particularly over the northern regions (55-75 mm), from the 02nd-05th Jan. Winds were...
Weekly Air Quality in Selected Towns of Sri Lanka (22 – 28 December 2025)
From 19–21 December, air quality was poor in Kurunegala, Colombo (Gregory’s Road), Mirihana, Battaramulla (CEA), Chilaw (CEA), Puttalam, Trincomalee,...
Climate Bulletin for Sri Lanka (Week of 26 December – 02 January 2025)
Highlights Rainfall is predicted to intensify across Sri Lanka, particularly over the eastern regions (55-95 mm), from the 26th-29th Dec. Winds were...
Weekly Air Quality in Selected Towns of Sri Lanka (15 – 21 December 2025)
From 19–21 December, air quality was poor in Kurunegala, Colombo (Gregory’s Road), Mirihana, Battaramulla (CEA), Chilaw (CEA), Puttalam, Trincomalee,...
Climate Bulletin for Sri Lanka (Week of 19 – 26 December 2025)
Highlights Rainfall is predicted to intensify across Sri Lanka, particularly over the eastern regions (105-135 mm), from the 16th-22nd Dec. Winds were ...
Weekly Air Quality in Selected Towns of Sri Lanka (08 – 14 December 2025)
This week’s air quality was generally more moderate compared to the beginning of the month, when Unhealthy AQI levels were recorded in many areas. At...
Climate Bulletin for Sri Lanka (Week of 12 – 19 December 2025)
Highlights Rainfall is predicted to intensify across Sri Lanka from 12th - 15th December, particularly over the Western Hills (WH), Northern Plains (NP),...
Weekly Air Quality in Selected Towns of Sri Lanka (01 – 07 December 2025)
On 27 November, Cyclone Ditwah entered Sri Lanka from the south and moved northward across the country. As it progressed, polluted air began to flow into...