An air purifier should be able to filter out small particles with efficiency, have a high clean air delivery rate and have carbon filters to deal with the smell of haze.
What should I look for when buying an air purifier?
"By definition a HEPA filter removes 99.97 per cent of 0.3 microns size. Transboundary haze is essentially very small particles, with a large proportion near the 0.3 microns size range," Associate Professor Tham Kwok Wai, Associate Professor David Cheong and Professor Chandra Sekhar said. While you might be tempted to buy a large air purifier to cover a bigger space, such an air purifier not only costs more, but can be noisier and consume more power. Instead, consider using more than one small air purifier, located at separate ends of a large room, Prof Balasubramanian said.
It may have been years since you last used your air purifier. Can you still use it if haze hits this year?
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