TOHK ENGLISH

TOHK ENGLISH

Toxic tear gas threatening Hong Kong citizen’s health

Hong Kong’s high-rise buildings are one of the main culprits of air pollution in Hong Kong. However as Hong Kong police launch tear gas on a nightly basis, the residual cy will remain in the air long enough that people would inhale it on the streets when they head out for work on weekdays? A network reporter confirmed on-site that the concentration of air in the mountain was 12.1ppm. If inhaled for 30 minutes, it can cause long-term illness.

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