Highlights

This report presents the air quality status of Guangdong-Hong Kong-Macao Pearl River Delta Region in 2025.  For details, please click to read the 2025 Air Quality Report of the Guangdong-Hong Kong-Macao Pearl River Delta Regional Air Quality Monitoring Network.

The air quality in the Pearl River Delta region of Guangdong, Hong Kong, and Macao continues to improve, with concentrations of major air pollutants showing a steady decline.  In 2025, the annual average concentrations of various air pollutants decreased by 23% to 86% compared to twenty years ago, reflecting the effectiveness of the emission reduction measures implemented by Guangdong, Hong Kong, and Macao in improving the air quality in the Pearl River Delta region.
 

Belt and Road Green Innovation Conference 2026:
The Belt and Road Green Innovation Conference 2026 will be held on 26 October, 2026 at the Regala Skycity Hotel. The theme of the conference is "Partnering with the Global South on Green Transition, Advancing Sustainable Development Worldwide”. While the previous four editions were held in Chinese Mainland, this year’s conference will be held in Hong Kong, China for the first time.  The Conference is hosted by the Ministry of Ecology and Environment of the People’s Republic of China and the Environment and the Ecology Bureau of the Government of the Hong Kong Special Administrative Region of the People’s Republic of China, and jointly organized by the HKSARG Environmental Protection Department, the Belt and Road Initiative International Green Development Coalition and the Foreign Environmental Cooperation Center of the Ministry of Ecology and Environment.

Eco Expo Asia 2026:
The Eco Expo 2026 will take place from 26 to 29 October 2026 at the AsiaWorld-Expo in Hong Kong, with a theme of “Connecting the World for a Sustainable Future”.   The Eco Expo Asia is jointly organized by the Hong Kong Trade Development Council and Messe Frankfurt (HK) Ltd, and co-organized by the Environment and Ecology Bureau.
 

Jointly organised by the Environmental Protection Department, the Education Bureau and the Hong Kong Tai Kung Wen Wei Media Group, this Special Event took place at the Hong Kong Jockey Club Auditorium of the Hong Kong Palace Museum. Through thematic video appreciation, guest sharing sessions, a full-house sing-along and the writing of "Green Wishes ", teachers and students learnt about the nation's achievements in ecological civilisation and green transition. Drawing inspiration from the perseverance of our national heroes from the Red Army Long March, participants  found their own sense of mission and reflected on how they can protect the ecological environment of our homeland through conscious actions.

The 'Beautiful Hong Kong' Photo Contest, jointly organized by the Environmental Protection Department and Hong Kong Ta Kung Wen Wei Media Group, has successfully concluded. We sincerely thank all photography enthusiasts and members of the public for their enthusiastic participation. 

This report presents the air quality status of Hong Kong in 2025.  For details, please click to read the 2025 Air Quality Report. 

The overall air quality of Hong Kong has been improving in recent years, with concentrations of major air pollutants continuously decreasing and remaining at low levels since Hong Kong’s return to the motherland.  Owing to the efforts of the Hong Kong Special Administrative Region Government over the years, Hong Kong's air quality has continued to improve over the past 20 years, resulting in a reduction of long-term health risks by more than 50%.
 

The reports provide an overview of the state of Hong Kong marine and river waters in 2025.  For details, please click to read the 2025 Marine Water Quality Report and 2025 River Water Quality Report. 

In 2025, Hong Kong’s Mirs Bay was selected as a national “Outstanding Example of Beautiful Bays” with an excellent overall score.
 

For the information about public electric vehicle charging facilities with Guo Biao standard (GB/T), please refer to the List of Public Electric Vehicle GB/T Charging Facilities, or access it through the "HKeMobility" mobile application.

The Environmental Protection Department has launched the Packaging Reduction Charter, encouraging businesses to reassess and reduce packaging usage, foster a waste reduction culture in commercial activities, and support Hong Kong’s long-term vision of zero landfill waste and carbon neutrality. For details, please visit the Hong Kong Waste Reduction Website.

The Environmental Protection Department (EPD) has launched the “Waste Reduction and Recycling Charter” on 1 June 2024 and encourages private residential premises to participate.  For details, please visit Hong Kong Waste Reduction Website.

To facilitate the trade in implementing packaging reduction and management initiatives in their daily operation, EPD published “Practical Guides on Packaging Reduction and Management” for specific sectors. For details, please click here.

The Regulation on Disposable Plastic Products comes into force on 22 April 2024.   For details, please visit  “Cut Plastic Use” thematic website.

The Government launched the Hong Kong's Climate Action Plan 2050 on 8 October 2021, setting out the vision of "Zero-carbon Emissions· Liveable City·Sustainable Development", and outlining the strategies and targets for combating climate change and achieving carbon neutrality. For details, please see the Action Plan.

The Government issued the Clean Air Plan for Hong Kong 2035 with the vision of “Healthy Living．Low-carbon Transformation．World Class”. It leads Hong Kong to a liveable city with air quality on par with major international cities by 2035.

The Government issued the Hong Kong Roadmap on Popularisation of Electric Vehicles with the vision of “Zero Carbon Emissions．Clean Air．Smart City”. It outlines the strategies and measures of promoting electric vehicles development with a view to attaining zero vehicular emissions before 2050.

The Government promulgated the Waste Blueprint for Hong Kong 2035 on February 8, 2021, with the vision of “Waste Reduction．Resources Circulation．Zero Landfill”.  It outlines the strategies, targets and actions to tackle the waste management challenges up to 2035.