COLOMBO (News1st): Air quality levels have dropped unusually in certain parts of the country, the National Building Research Organization (NBRO) has found. Air pollution has increased in the Colombo, Kandy, Puttalam, Vavuniya, and Jaffna districts since November 27, NBRO scientist Sarath Premasiri said. He attributed this situation to the polluted air in the Indian Subcontinent that had entered […]
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