Sustainability

Past 24 hours Pollutant Concentration and AQHI

Last updated on
  • Date & Time
  • RSP
  • FSP
  • NO2
  • O3
  • SO2
  • CO
  • AQHI
Note:
  1. RSP - Respirable Suspended Pariculates

    FSP - Fine Suspended Pariculates

    NO2 - Nitrogen Dioxide

    O3 - Ozone

    SO2 - Sulphur Dioxide

    CO - Carbon Monoxide

    AQHI - Air Quality Health Index

  2. Concentrations in micrograms per cubic meter (m³).

  3. Pollutant concentrations and AQHI information are based on raw data obtained directly from HKIA’s three air quality monitoring stations and making reference to the HKSAR AQHI calculation.

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

  5. “-“ 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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