2025, December
December 30, 2025
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,...
December 26, 2025
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...
December 23, 2025
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,...
December 19, 2025
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 ...
December 17, 2025
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...
December 11, 2025
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),...
December 9, 2025
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...
December 5, 2025
Climate Bulletin for Sri Lanka (Week of 05 – 12 December 2025)
Highlights A “Depression” (wind speed: 20 – 30 km/h) developed 160 km to the East of Hambantota around 2.00 am (SLT) on 27th November and developed...
December 2, 2025
Weekly Air Quality in Selected Towns of Sri Lanka (24 – 30 November 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...