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Welcome to Environmental Protection Department Air Pollution Index Website

Forecast - Today's Highest General Station 25 to 55 / Low to High
Roadside Station 70 to 100 / High
 
Air Pollution Index at 2010-09-04 02:00
General
Station API Air Pollution Level Contributing Pollutant
Central/Western
35
Medium Respirable Suspended Particulates
Eastern
41
Medium Nitrogen Dioxide
Kwai Chung
54
High Nitrogen Dioxide
Kwun Tong
41
Medium Nitrogen Dioxide
Sha Tin
35
Medium Nitrogen Dioxide
Sham Shui Po
58
High Nitrogen Dioxide
Tai Po
39
Medium Nitrogen Dioxide
Tap Mun
38
Medium Ozone
Tsuen Wan
57
High Nitrogen Dioxide
Tung Chung
38
Medium Ozone
Yuen Long
39
Medium Respirable Suspended Particulates
Roadside
Station API Air Pollution Level Contributing Pollutant
Causeway Bay
108
Very High Nitrogen Dioxide
Central
88
High Nitrogen Dioxide
Mong Kok
84
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: 02:45 AM 04 September 2010