PRAISE-HK-EXP App is ready to download!

The Personalised Real-Time Air Quality Informatics System for Exposure – Hong Kong (PRAISE-HK) is an advanced smart-city system developed by the Institute for the Environment, HKUST.

We are excited to announce the launch of the second phase of our PRAISE-HK app – PRAISE-HK-EXP. PRAISE-HK-EXP goes beyond traditional air quality monitoring systems by visualizing the invisible air pollution in your breathing distance down to 2-meter space around you. This advanced app tracks your daily exposure to air pollution, whether you are indoors, outdoors, or on different modes of transportation. Take control of your environment and protect your health with PRAISE-HK-EXP. Watch the video promo at right to learn more.

Download PRAISE-HK-EXP App now

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Event & Engagement - Community



PRAISE-HK was featured in Hong Kong Environment Bureau's report Clean Air Plan for Hong Kong 2035 published in June 2021 showcasing the Government's support and the coming plan to adopt the PRAISE-HK idea in the development of a district-based air quality information system for Hong Kong.


Visit Clean Air Plan for Hong Kong 2035


Developed by Energizing Kowloon East Office, Development Bureau, MyKE integrated PRAISE-HK's data to provide users the real-time and forecast air quality at street-level in Kowloon East.


Learn about MyKE App


Considering air pollution as a public health risk, the RCDP mobile App of the Hong Kong Red Cross is now connecting to PRAISE-HK web application, allowing users to stay informed with the real-time air quality information.


Learn About RCDP App


Collaborated with the Hong Kong Asthma Society to gather feedback from asthma patients that help us develop an even more effective and user-friendly app that caters to the unique needs of asthma patients in Hong Kong.




PRAISE-HK supports the air quality alert feature of the air quality monitoring solution from BlueSky Energy Technology by providing the geolocational specific information of outdoor air quality.