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Welcome to Environmental Protection Department Air Pollution Index Website

Forecast - Today's Highest General Station 15 to 40 / Low to Medium
Roadside Station 45 to 60 / Medium to High
 
Air Pollution Index at 2009-07-05 04:00
General
Station API Air Pollution Level Contributing Pollutant
Central/Western
19
Low Nitrogen Dioxide
Eastern
22
Low Nitrogen Dioxide
Kwai Chung
35
Medium Nitrogen Dioxide
Kwun Tong
31
Medium Nitrogen Dioxide
Sha Tin
18
Low Respirable Suspended Particulates
Sham Shui Po
30
Medium Nitrogen Dioxide
Tai Po
23
Low Nitrogen Dioxide
Tap Mun
15
Low Respirable Suspended Particulates
Tsuen Wan
32
Medium Nitrogen Dioxide
Tung Chung
16
Low Respirable Suspended Particulates
Yuen Long
23
Low Nitrogen Dioxide
Roadside
Station API Air Pollution Level Contributing Pollutant
Causeway Bay
53
High Nitrogen Dioxide
Central
56
High Nitrogen Dioxide
Mong Kok
62
High Nitrogen Dioxide

Remark:

The API information is based on raw data taken directly from EPD's Air Quality Monitoring Network.

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Last revision date: 04:45 AM 05 July 2009