PHOTO BY / CHINA DAILY Staff of the Civil Aid Service rescue an “injured hiker” with a Government Flying Service helicopter during the CAS mountain search and rescue exercise in Shek O on Friday. there is no formal, established samples were satisfactory. will replace the existing Air registration system for The CFS collected the samples Pollution Index and explain these organizations in Hong at different retail outlets the health effects of air pollution Kong. No specific government including supermarkets, more effectively. The authority has overall grocery stores, restaurants AQHI is reported on a scale responsibility in this area. and market stalls between of 1 to 10 and 10+, and is The list of charities in Hong August and November for grouped into five health risk Kong, such as those exempt testing nitrate and nitrite. categories, i.e. low, moderate, from tax, is not a comprehensive They comprised 60 samples high, very high and serious. one. It is not compulsory of fresh, chilled and frozen It also provides health for charities to have their meat, some 440 samples of advice for people with different names placed on this list. meat products and about 50 degrees of susceptibility cheese samples. to air pollution. It is calculated based on the cumulative health risk attributable to the three-hour moving average concentrations of four air pollutants, namely ozone, nitrogen dioxide, sulphur dioxide and particulate matter (PM2.5 and PM10).