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Are two free N95 masks enough? What to know about wearing and reusing them amid the haze

An NUS public health expert said masks worn only for short commutes can be reused, while longer outdoor exposure may require faster replacement.

Two N95 masks may be enough for a week for someone who wears them only for short commutes, but those who spend several hours outdoors may need to replace them more often, says an NUS public health expert.

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Channel News Asia broke the news in Singapore, Singapore on Friday, October 16, 2026.
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