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PSI Reading


The 3-hr PSI at 4 pm on 24 Oct 2002 was 57.

Health Advisory
None

The 24-hr PSI at 4 pm on 24 Oct 2002 was 62.

This put overall air quality in the ‘moderate’ range.
Pollutant responsible for the 24-hr PSI : PM10.

Pollutant24-hr Subindex at 4 pm on 24 Oct 2002PM1062Sulphur Dioxide25Ozone56Carbon Monoxide17Nitrogen 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 24 Oct 2002

&nbspTime3-hr PSI**    7 am57    8 am59    9 am62  10 am64  11 am63  12 pm61   1 pm59   2 pm56   3 pm56   4 pm57   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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