Sustainability

Past 24 hours Air Quality Health Index

Last updated on
Note:
  1. AQHI information is based on raw data obtained directly from HKIA’s three air quality monitoring stations and making reference to the HKSAR AQHI calculation.

  2. Value marked with an asterisk “*” refers to data used for calculation of AQHI was adopted from other stations.

  3. “-“ means that the data is temporarily unavailable.

Air Quality Data

Current Pollutant Concentration & AQHI

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AQHI 24 Hrs

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Past 24 hours Pollutant Concentration & AQHI

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AQHI Distribution

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Download Pollutant Data

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