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The 3-hr PSI at 4 pm on 29 Oct 2002 was 49.
The 24-hr PSI at 4 pm on 29 Oct 2002 was 52.
This put overall air quality in the ‘moderate’ range.
Pollutant responsible for the 24-hr PSI : PM10
( Note*: A subindex is only reported when one-hour concentration exceeds 1130µg/m3)
Current & Previous Month 24-hr PSI Readings
Click this to see the schematic diagram of NEA’s Telemetric Air Quality Monitoring & Management System
3-hr PSI update for 29 Oct 2002
Time3-hr PSI** 7 am44 8 am50 9 am50 10 am47 11 am37 12 pm32 1 pm31 2 pm35 3 pm40 4 pm49 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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