Local Studies

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

‘Let Our Children Breathe’ Air Monitoring in Tuen Mun

Clean Air Network launched ‘Let Our Children Breathe’ Campaign to conduct a series of air monitoring activities in the Tuen Mun District. This report reflects the result of monitoring conducted in January 2021.

Project Period

18th January – 31st January 2021

Brief Summary

Nitrogen dioxide, NO2, is used to reflect the level of street level air quality
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.

View full report

‘Let Our Children Breathe’ Air Monitoring in Tuen Mun

Clean Air Network launched ‘Let Our Children Breathe’ Campaign to conduct a series of air monitoring activities in the Tuen Mun District. This document reflects the result of the monitoring and the questionnaire.

Project Period

25th February – 31st March 2021

Brief Summary

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

View presentation deck (Only in Chinese)

Other Local Studies

Bus Stops in Kowloon West - Nitrogen Dioxide (NO2) Data Collection

Oct 2020

Franchised Bus Low Emission Zones (FBLEZs) in Central - Nitrogen Dioxide (NO2) Data Collection

Mar 2020

School Areas in Sham Shui Po – Nitrogen Dioxide (NO2) Data Collection

Nov 2019