Sri Lanka's National Dengue Control Unit reported 99,343 dengue cases and 76 deaths in 2026 as of midnight on 22 September. The national case-fatality rate was 0.077 per cent, and 34 Medical Officer of Health areas were classified as high risk during epidemiological week 37. The Western Province accounted for 52,226 cases, or 52.57 per cent of the…
ACTIVE OUTBREAK MONITORING · 99,343 CASES · 76 DEATHS
Torrential rain triggered flash floods and mudslides across Sri Lanka's central highlands on 4 August 2026. Officials reported seven deaths, damage to 129 houses and the evacuation of nearly 3,500 people. Navy and army units were deployed to reach residents trapped by floodwater in the Nuwara Eliya and Badulla districts.
A seasonal dengue surge accelerated after heavy rains and flooding. The island-wide total rose from 25,082 cases in early May to more than 35,000 by the first week of June. More than 8,600 new cases were reported during May, with the highest burden in western, southern and central districts.
On 20 May 2021, cargo ship “X-PRESS PEARL with 1486 containers on board carrying dangerous cargo; 25 tonnes of nitric acid, caustic soda, solid sodium methoxide solution, cosmetics, methanol and vinyl acetate including micro plastics, plastic pellets together with other cargo caught fire about nine nautical miles (16 K
The South west monsoon and activation of a depression which was later developed to tropical cyclone “Tauktae” over the south-east Arabian sea triggered heavy rainfall in Sri Lanka from 12th to 14th May 2021. Western, South and Sabaragamuawa provinces of Sri Lanka were worst affected. Sri Lanka’s Department of Meteorolo
The Northeast monsoon and activation of a depression in the south-east Bay of Bengal have been intensifying rainfall in Sri Lanka from 2 to 5 December 2020 where the northern province of Sri Lanka is worst affected. Sri Lanka’s Department of Meteorology has reported a maximum rainfall up to 279.8 millimetres in the northern province particularly in…