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| N95 Masks |
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| PSI Reading 21 Jun 13 |
The Pollution Standard Index(PSI) in Singapore (3 hrs) hit a record 401 on 21 June 13. A PSI above 300 is classified as hazardous. The PM 2.5 concentration level was above 200 ug/m3. Visibility had dropped to approx 50m. My eyes were feeling irritated by the pollutants. There were some sneezings. Very few pedestrain was seen walking on the road. Open air coffee shops have lesser number of patrons when everyone tried to stay indoor. The advisory note given was also to stay indoor. Long queues were seen waiting to purchase N95 masks for protection against inhalation of pollutants. Air purifiers were sold out and customers could only lodge in their order for new stock.
A historical moment.
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