https://data.gov.hk/en-data/dataset/hk-epd-airteam-past-record-of-air-quality-health-index-en/resource/0aeb66f9-d6b0-4b10-83dc-38c87e4796e1
Past record of Air Quality Health Index (English Version) - Past record of Air Quality Health Index...
DATA.GOV.HK is coordinated by the Digital Policy Office with the participation of different government departments and public / private organisations to...
air quality health indexpastrecordenglishversion
https://www.alberta.ca/about-the-air-quality-health-index
About the Air Quality Health Index | Alberta.ca
The Air Quality Health Index provides a number from 1 to 10 to indicate the level of relative health risk associated with local air quality.
air quality health indexabout thealbertaca