Hong Kong Air Quality
Current air-quality information for Hong Kong, Hong Kong.
Air quality may be acceptable, though unusually sensitive people may notice effects.
Open-Meteo / CAMS model · Updated 2026-10-19T01:00Health context
At the current AQI of 73, Hong Kong is in the Moderate category. Most people can continue normal activities; people who are unusually sensitive to air pollution may consider reducing prolonged or very strenuous outdoor exertion if they experience symptoms. Current pollutant values shown for Hong Kong are PM2.5 40.7 µg/m³, PM10 44.5 µg/m³, O₃ 26 µg/m³, NO₂ 89.6 µg/m³. The current reading is identified on this page as Open-Meteo / CAMS model. These are model-based conditions for the Hong Kong area and can differ from a nearby monitoring-station observation.
Air-quality information is not medical advice. People with asthma, heart or lung disease, children, older adults and other sensitive groups may need to take additional precautions when pollution is elevated.
Recent History & Forecast
This chart shows atmospheric-model AQI history and forecast from Open-Meteo / Copernicus Atmosphere Monitoring Service (CAMS) model. It is separate from any monitoring-station observation shown in the Current AQI card.
What does AQI 73 mean in Hong Kong?
Hong Kong currently has an AQI of 73, which falls in the Moderate category. Air quality is generally acceptable for most people. People who are unusually sensitive to air pollution may notice symptoms during prolonged or strenuous outdoor activity and can reduce exertion if needed. The pollutant values currently shown for Hong Kong are PM2.5 40.7 µg/m³, PM10 44.5 µg/m³, O₃ 26 µg/m³, NO₂ 89.6 µg/m³. The displayed current conditions are model estimates for the Hong Kong area (Open-Meteo / CAMS model), rather than a single monitoring-station observation.
Nearby cities
- Hong Kong Island air quality — approximately 2 km away
- Victoria air quality — approximately 3 km away
- Kowloon air quality — approximately 4 km away
- Sham Shui Po air quality — approximately 6 km away
- Kowloon City air quality — approximately 6 km away
- Wong Tai Sin air quality — approximately 8 km away
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