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Historical PSI Readings

Historical 24-hr PSI readings up to the past 365 days (1 year) are available for viewing on this page.
PSI data older than 1 year can be downloaded from Data.gov.sg.


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Time Readings for
24-hr PSI 24-hr PM2.5 Concentration (µg/m3)
North South East West Central Overall Singapore North South East West Central Overall Singapore
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