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Air Pollution Index for Today, March 22, 1999 (Monday)

API Level Advice

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General Stations 13 to 32 Low to Medium

================ ======== ============== ====== Central/Western (1) 25 Low

Eastern (1) 26 Medium

Kwai Chung (2) 22 Low

Kwun Tong (2) 30 Medium

Sha Tin (3) 21 Low

Sham Shui Po (4) 21 Low

Tai Po (4) 32 Medium

Tap Mun (6) 13 Low

Tsuen Wan (2) 22 Low

Yuen Long (5) 28 Medium

Roadside Stations 28 to 58 Medium to High

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Causeway Bay (7) 58 High

Central (8) 34 Medium

Mong Kok (9) 28 Medium

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Forecast for Tomorrow, March 23, 1999 (Tuesday)

API Level Advice

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General Stations 30 to 55 Medium to High

Roadside Stations 50 to 75 Medium to High

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Advice:

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(A) When the general index lies between 101 and 200, persons with existing heart or respiratory illnesses are advised to reduce physical exertion and outdoor activities.

(B) When the general index exceeds 200, the general public are advised to reduce physical exertion and outdoor activities.

(C) When the roadside index lies between 101 and 200, persons with existing heart or respiratory illnesses are advised to avoid prolonged stay in areas with heavy traffic. If it is necessary to stay in these areas, they are advised to reduce physical exertion as far as possible.

(D) When the roadside index exceeds 200, the general public are advised to avoid prolonged exposure in areas with heavy traffic. If it is necessary to stay in these areas, they are advised to reduce physical exertion as far as possible.

Characteristics of Area:

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(1) Urban: residential areas

(2) Urban: densely populated residential areas with mixed

commercial/industrial developments

(3) Urban: densely populated residential areas with

commercial developments

(4) New town: residential areas

(5) New town: residential areas with fairly rapid

development

(6) Rural

(7) Urban roadside in busy commercial areas with very

heavy traffic and surrounded by many tall buildings

(8) Urban roadside in busy commercial/financial areas with

heavy traffic and surrounded by many tall buildings

(9) Urban roadside in mixed residential/commercial area

with airly heavy traffic and surrounded by some

moderately tall buildings

END/Monday, March 22, 1999

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