Performance Data

Environmental Performance

Unit 2014/15 2015/16 2016/17 2017/18 2018/19
Waste sent to landfill
Waste sent to landfill (absolute) Tonnes 21,934 23,422 25,373 26,642 25,410
Waste sent to landfill (intensity) kg per passenger 0.339 0.336 0.360 0.362 0.338
Recycling performance
HKIA's recycling rate Percentage 12.2 7.5 8.4 8.7 11.3
Recyclables collected kg per passenger 0.047 0.027 0.033 0.035 0.043
Recyclables collected by type
Paper and cardboard Tonnes 2,578 1,593 1,801 2,002 2,400
Plastic Tonnes 142 176 274 290 202
Metal and cans Tonnes 97 38 61 82 72
Wooden pallets and boxes Tonnes 5 28 31 41 146
Glass Tonnes 2 3 10 16 143
Food waste and surplus food collected
Food Waste
To compost1 Tonnes 87 22 24 4 0
To fishmeal Tonnes 1,150 1,324 2,131 2,025 2,137
Surplus food via the HKIA Food Rescue Programme Tonnes 17.5 36.0 37.3 44.1 37.9
Chemical waste collected
Chemical waste2 Tonnes 10 9 23 13 8

1In 2018/19, food waste collected from AAHK's facilities was converted to fishmeal only (no composting).

2AAHK adopts the ‘chemical waste’ categorisation as specified under the Waste Disposal Ordinance (Chapter 354, The Laws of Hong Kong). The figure includes waste lubricating oil and used mercury-containing fluorescent tubes collected by registered chemical waste collector for disposal.