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Haze Action Plan

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PSI Reading

The 24-hr PSI at 4 pm on 31 December 2002 was 48.

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

Pollutant24-hr Subindex at 4 pm on 31 December 2002PM1048Sulphur Dioxide36Ozone11Carbon Monoxide14Nitrogen 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

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