Research reveals an association between the haze in South-East Asia and mortality rates caused by respiratory illness.

Researchers¬†collected respiratory mortality data from Malaysia’s Department of Statistics and obtained environmental data from six continuous air quality monitoring stations in Klang Valley.

Results showed that South-East Asian haze has increased the risk of respiratory mortality in Klang Valley as a result of increased exposure to toxic particles during the haze days. By the sixth day of a haze event, daily mortality rates were higher than normal.

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