Welcome to Environmental Protection Department Air Quality Health Index Website


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Remarks:

(1) Time shown is in Hong Kong time.

(2) Concentration shown is in microgram per cubic metre (µg/m3).

(3) Abbreviation:
NO2 - nitrogen dioxide, O3 - ozone,
SO2 - sulphur dioxide, CO - carbon monoxide,
PM10 - respirable suspended particulates,
PM2.5 - fine suspended particulates

(4) The AQHI information is based on real time data taken directly from EPD's Air Quality Monitoring Network.

(5) In case of equipment or station suspension due to repair and maintenance, the data collection for calculation of AQHI at station will be affected, the data of similar stations will then be adopted. Such AQHI will be shown with an asterisk.

FORECAST of Health Risk
05-05-2024
Tomorrow A.M.
Tomorrow P.M.
General StationsLowLow to Moderate
Roadside StationsLowLow to Moderate
Health RiskLowModerateHighVery HighSerious
AQHI Scale1234567891010+
Air Quality Health Index
21:00 05-05-2024AQHIHealth Risk
General StationsCentral/Western4Link to past 24 hrs AQHI trendModerate
Southern3Link to past 24 hrs AQHI trendLow
Eastern4Link to past 24 hrs AQHI trendModerate
Kwun Tong4Link to past 24 hrs AQHI trendModerate
Sham Shui Po4Link to past 24 hrs AQHI trendModerate
Kwai Chung3Link to past 24 hrs AQHI trendLow
Tsuen Wan4Link to past 24 hrs AQHI trendModerate
Tseung Kwan O4Link to past 24 hrs AQHI trendModerate
Yuen Long4Link to past 24 hrs AQHI trendModerate
Tuen Mun4Link to past 24 hrs AQHI trendModerate
Tung Chung4Link to past 24 hrs AQHI trendModerate
Tai Po4Link to past 24 hrs AQHI trendModerate
Sha Tin3Link to past 24 hrs AQHI trendLow
North4Link to past 24 hrs AQHI trendModerate
Tap Mun3*Link to past 24 hrs AQHI trendLow
Roadside StationsCauseway Bay4Link to past 24 hrs AQHI trendModerate
Central4Link to past 24 hrs AQHI trendModerate
Mong Kok4Link to past 24 hrs AQHI trendModerate


Last revision date: 21:07 05-05-2024