Monitor air quality with apps and personal monitors

By keeping an eye on the numbers, you may be able to reduce risks and exposure to poor air quality. These apps can provide real-time air quality reports, forecasts, and location-specific information.


Hong Kong Air Quality Health Index or HK AQHI - Local real-time information providing air quality reports measured by the 13 general and three roadside air monitoring stations operated by the Environmental Protection Department (EPD) of Hong Kong. The app provides forecasts of health risks and pollutant concentrations on a scale of 1 to 10 and 10+ grouped into the following health risk categories: low, moderate, high, very high and serious.


Hedley Environmental Index (HEI) – Managed by the School of Public Health at the University of HK, HEI is an independent report on air pollutants that exceed the WHO AQG and the real-time hourly HEI at users’ current location and for each individual air quality station (13 urban rooftop and three roadside air quality stations in Hong Kong, and 11 stations in Shenzhen.). The new version of the HEI has the aim of enhancing health risk communication and to better inform and assist members of the public in the interpretation of air pollution levels.


PRAISE-HK – A Personalised Real-Time Air Quality Informatics System for Exposure – Hong Kong (PRAISE-HK) is a new app by scientists from the Hong Kong University of Science and Technology (HKUST). This app helps people access real-time, location-specific air pollution information. It provides personalised sensitivities assessments, recommendations for cleaner routes, personalised alerts, and forecasts to help you plan ahead.


PEEKair Concepts - PEEKair is an indoor air quality monitor, designed specifically for Hong Kong. This small hand-held, wireless monitor can tell you if the air is polluted by displaying (according to US EPA standards) current PM2.5 levels. It comes ready to use out of the box with no setup required. The PEEKair monitor can help check the effectiveness of your air purifiers and be able to position them for maximum effectiveness. You can also check to see when it’s safe to turn off your air purifiers when they're not necessary.

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