Hourly PM2.5 haze readings with pollution level

NEA’s enhanced PM2.5 readings will come with banding and descriptors.

The four ranges, which come with band numbers and descriptors, are:
I Normal – 0 to 55 ug/m3 or micrograms per cubic metre
II Elevated – 56 to 150 ug/m3
III High – 151 to 250 ug/m3
IV Very High – 251 ug/m3 and above

haze-poster

List of Portable Air Cleaners (For Smoke Haze) and Suppliers

 

 

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