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PSI Reading


The 3-hr PSI at 4 pm on 6 Nov 2002 was 19.

Health Advisory
None

The 24-hr PSI at 4 pm on 6 Nov 2002 was 32.

This put overall air quality in the ‘good’ range.
Pollutant responsible for the 24-hr PSI : Ozone

Pollutant24-hr Subindex at 4 pm on 6 Nov 2002PM1032Sulphur Dioxide30Ozone32Carbon Monoxide26Nitrogen Dioxide*-

( Note*: A subindex is only reported when one-hour concentration exceeds  1130µg/m3)

Current & Previous Month 24-hr PSI Readings

Click this haze_station2_small.jpg (2366 bytes) to see the schematic diagram of NEA’s Telemetric Air Quality Monitoring  & Management System

3-hr PSI update for 6 Nov 2002

&nbspTime3-hr PSI**    7 am19    8 am21    9 am23  10 am24  11 am24  12 pm24   1 pm25   2 pm25   3 pm22   4 pm19   5 pm   6 pm   7 pmNote** :
Hourly updates of 3-hr PSI Readings are provided from 7am to 7pm.

The readings are calculated based on PM10 concentrations only.

 

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