TAMIL NADU

TSPM at traffic intersection

CHENNAI: The level of total suspended particulate matter (TSPM) recorded at a traffic intersection in Kilpauk in the 24 hour period ending 6 a.m. on Tuesday was 215 microgram/cubic metre. The permissible level of TSPM is 200.

The level of respirable suspended particulate matter (RSPM) in the same place was 129 microgram/cubic metre. The permissible limit for RSPM is 100 microgram/cubic metre, a release from the Tamil Nadu Pollution Control Board said.

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