Taking an evidence-based approach, CAN regularly conducts primary studies concerning air pollution exposure and health in Hong Kong. The study results provide valuable data to identify the health risk on public health and raise concern on pollution problem. The data is also used under our advocacy and empowerment.


Latest Local Studies

Local Studies Tube

Air Measurment of NO2
Tube Installation in Tuen Mun
January – March 2021

  • 50 location spots covering school areas, bus stops, public transport interchanges, public parks and sport grounds are selected for air quality assessment by using diffusion tubes.
  • Identify top 10 air pollution hotspots in Tuen Mun


Full details –  Air Monitoring Report of Tuen Mun (March 2021)

10 air pollution hotspots with the highest NO2 in Tuen Mun:

10 monitoring spots with the highest NO2 concentrations


Local Studies WhatsApp Image 2021 02 17 at 10.52.23 AM

School-based Air Monitoring and Student’s Health Analysis
February – March 2021

  • 4 school campuses are identified as monitoring zones
  • Professional air pollution monitors are deployed at multiple spots at each school
  • Collect 164 students feedback in health health-related survey
  • Provide insights on the baseline risk level faced by school children due to air pollution



Other Local Studies