Air Pollution Index - Advice to Participants
Participants must pay attention to the announcement from the organizer, the radio, TV stations on API, and respectively take special notice of the following advice issued by the Environmental Protection Department (EPD) when the general or the roadside API reaches 101-200 :

General API
Persons with existing heart or respiratory illness (such as coronary heart and cardiovascular diseases, asthma, chronic bronchitis and chronic obstructive airways diseases) are advised to reduce physical exertion and outdoor activity.

Roadside API
Persons with existing heart or respiratory illness (such as coronary heart and cardiovascular diseases, asthma, chronic bronchitis and chronic obstructive airways diseases) are advised to avoid prolonged stay in areas with heavy traffic. If it is necessary to stay in streets or roads with heavy traffic, they are advised to reduce physical exertion as much as possible.

Please visit www.epd.gov.hk for details on API