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PSI Readings over the last 24 Hours

24-hr PSI Readings from 1am to 12am on 27 Jun 2016

Time 1am 2am 3am 4am 5am 6am 7am 8am 9am 10am 11am 12pm
North 52 53 53 54 54 54 54 54 54 54 55 54
South 46 48 51 51 51 51 51 51 51 51 51 50
East 41 43 44 45 46 46 46 46 46 46 45 45
West 41 40 42 43 43 43 43 43 43 43 42 44
Central 43 44 46 46 47 47 48 47 47 47 47 47
Overall Singapore 41-52 40-53 42-53 43-54 43-54 43-54 43-54 43-54 43-54 43-54 42-55 44-54
Time 1pm 2pm 3pm 4pm 5pm 6pm 7pm 8pm 9pm 10pm 11pm 12am
North 54 53 53 52 51 52 52 52 51 50 - -
South 51 48 48 46 47 45 42 41 40 40 - -
East 45 45 45 43 43 40 38 37 37 36 - -
West 44 43 42 43 43 43 40 37 36 35 - -
Central 47 44 43 42 43 42 40 37 38 36 - -
Overall Singapore 44-54 43-53 42-53 42-52 43-51 40-52 38-52 37-52 36-51 35-50 - -

3-hr PSI Readings from 1am to 12am on 27 Jun 2016

Time 1am 2am 3am 4am 5am 6am 7am 8am 9am 10am 11am 12pm
3-hr PSI 52 53 55 54 51 37 31 34 33 32 28 31
Time 1pm 2pm 3pm 4pm 5pm 6pm 7pm 8pm 9pm 10pm 11pm 12am
3-hr PSI 29 27 25 27 34 36 40 37 40 39 - -


The real-time data is automatically published as soon as it is generated by our air monitoring stations. The data is subject to verification and correction subsequently if necessary.

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