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"Very
high" API forecasted
The Environmental
Protection Department today (Monday) forecasted that the Air
Pollution Index (API) later today would reach 75 to 110 for
the roadside stations, and 60 to 75 for the general ambient
stations.
When the roadside API exceeds 100 and reaches the "very
high" band, people with heart or respiratory illnesses
should avoid prolonged stay in roads and streets with heavy
traffic, Acting Principal Environmental Protection Officer,
Mr Yeung Tseung-wing said.
"If
it is necessary to stay in such places, they should reduce
physical exertion as far as possible," he said.
Mr Yeung
explained that since the nitrogen dioxide in vehicle emissions,
particularly from diesel vehicles, was not dispersing sufficiently
at the urban roadside with very heavy traffic and surrounded
by high-rise buildings, air pollution had thus escalated and
reached the "very high" band.
Members
of the public can check the API readings on 2827 8541 or from
EPD's website at http://www.info.gov.hk/epd/.
End/Monday,
January 18, 1999
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