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Station Most Relevant To Me

Health effects from air pollution come about due to a combination of the concentration of the air pollutants and the amount of time you are exposed to the air pollution. Brief exposure to moderately high pollution levels will normally not lead to any significant problem.

For most of us, therefore, the general API is more relevant as it represents the air pollution that we shall be exposed to for most of the time. For the roadside API, although it is naturally higher on a given day due to the close proximity to vehicle emission sources, it is less relevant as we often spend only quite short periods of the day in busy streets and roads. It will be of more interest to those who spend several hours each day close to busy roads.

You may refer to the APIs of those stations with the closest land use characteristics to the area you live in or stay. Because of similarities in emission density and strength, areas with the same land use will have similar air quality levels.

For the general APIs, land use characteristics of the areas where the stations are located:-

General Ambient Air Quality Monitoring Station
Characteristics of the Areas Where the Station are Located
1. Central/Western Urban: residential area
2. Sham Shui Po Urban: densely populated residential areas with commercial developments
3. Eastern Urban: densely populated residential area
4. Kwun Tong Urban: densely populated residential areas with mixed commercial/industrial developments
5. Kwai Chung Urban: densely populated residential areas with mixed commercial/industrial developments
6. Tsuen Wan Urban: densely populated residential areas with mixed commercial/industrial development
7. Tai Po New town: residential area
8. Sha Tin New town: residential area
9. Tung Chung New town: residential area
10. Yuen Long New town: residential areas with fairly rapid development
11. Tap Mun Rural

For the roadside APIs, land use characteristics of the areas where the stations are located:-

Urban Roadside Air Quality Monitoring Station
Characteristics of the Areas Where the Station are Located
1. Causeway Bay Urban roadside with heavy traffic
2. Central Urban roadside with heavy traffic
3. Mong Kok Urban roadside with heavy traffic
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