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Haze Update From NEA (12PM on 23 June 2013)

Improvement in Air Quality for Today

Singapore, 23 June 2013 - There has been an improvement in air quality since last night, and this improvement has been sustained this morning. As at 12 noon today, the 24-hr PSI is 88-98 and the 24-hr PM2.5 is 81-102 microgrammes/ cubic metre.

24 hour PSI 23 June 2013

2          The improvement in the air quality is due to a change in the direction of the low level winds over Singapore, from south-westerly to southerly, since last night. The 24- hour PSI for the rest of today is expected to be in the Unhealthy band (101-200) instead of the earlier forecasted band of 201-300.

3          The health advisory for 23 Jun 2013 is as follows:  

 Healthy persons

Elderly, pregnant women, children

Persons with chronic medical conditions especially lung or heart disease

Minimise prolonged** or strenuous*** outdoor physical exertion 

Minimise prolonged** outdoor activity

Avoid all outdoor activity


If outdoor activity is unavoidable, wear an N95 mask.^^ 

** Prolonged = continuous exposure for several hours
*** Strenuous = involving a lot of energy or effort
^^ The use of N95 mask increases the effort in breathing and may cause discomfort, tiredness or headache. For most people this is not serious.

 For Employers

  • Employers should deploy susceptible employees to work indoors where possible.
  • Employers should provide N95 masks to susceptible employees working outdoors if outdoor activity is unavoidable. 


For more information, please contact:
Call Centre: 1800-CALL NEA (1800-2255 632)

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