The National Building Research Organisation (NBRO) yesterday warned that air quality is deteriorating across several urban centres, with recent readings showing conditions slipping into “slightly unhealthy” levels.
Colombo 07, Vavuniya, Kandy, Kegalle, Galle, Embilipitiya, and Puttalam recorded Air Quality Index (AQI) values above 100 over the past 24 hours, the NBRO said.
The agency forecasts that the situation will persist over the next 24 hours, with nationwide AQI levels ranging between 44 and 112. While most cities are expected to remain at moderate levels, Galle and Puttalam may continue experiencing slightly unhealthy conditions, whereas Nuwara Eliya is likely to enjoy “good” air quality.
Officials urged residents, especially sensitive groups such as children, the elderly, and those with respiratory conditions, to wear masks and seek medical attention if they experience breathing difficulties.
The NBRO also warned that peak pollution hours are expected between 8–9 am and 4–5 pm, advising the public to exercise caution during these times.
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