BANGKOK, May 1 – Bangkok ranks 13th among Asian cities for its level of cancer-causing substances in the air, according to the National Institute of Development Administration (NIDA).

NIDA said the level of carcinogenic dust pollution in the capital is more than twice above the standard acceptable level with the vicinity of the Din Daeng housing estate, Chokechai 4 Police Station and Thonburi Electricity Substation having the highest risks.

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