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Annual Average Health Risks
| Introduction |
| Technical Background |
| Annual Risk |
| Short Term Risk |
| Forecast |
| •Marathon 2015 |
| FAQ |
Annual Average Air Quality Index (AAQI) [ Show AQ Concentration ]
| Last updated: 2019/10/16 16:00 |
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For PM2.5, PM10 and NO2, we have used the WHO Annual AQ guideline values of 10, 20 and 40 ug/m3. For SO2, since there is no annual AQ guideline, we have used the WHO 24-hour AQ guideline values of 20 ug/m3, which is also the annual average referenced by European Commission.
Click Barchart to display historical record
Notes and Disclaimer
The information on this site shall be used for education and research purpose. The Hong Kong University of Science and Technology (and all its staff) makes no warranty or representation with respect to the accuracy, completeness or usefulness of the information contained herein, and shall not have any legal liability (including liability for negligence) for any loss, damage, or injury which may result from the supply or use of such information.
Environmental Central Facility • Institute for the Environment
© Copyright 2015