HIGHLIGHTS
play pause
Current AQHI: General Stations 1 to 3Roadside Stations 3 to 4
Forecast of Health Risk Maximums:
General Stations: Moderate
Roadside Stations: Moderate
Central/Western
Central/Western AQHI 2
Past 24 hrsConcentration / AQHI
Hourly concentration (ug/m3)
NO2 20.9 PM2.5 10.3
SO2 3.4 PM10 16.0
O3 24.0
Kwai Chung
Kwai Chung AQHI 3
Past 24 hrsConcentration / AQHI
Hourly concentration (ug/m3)
NO2 55.4 PM2.5 16.9
SO2 17.7 PM10 26.9
O3 14.4
Sham Shui Po
Sham Shui Po AQHI 2
Past 24 hrsConcentration / AQHI
Hourly concentration (ug/m3)
NO2 47.9 PM2.5 13.3
SO2 8.1 PM10 21.8
O3 12.6
Tai Po
Tai Po AQHI 2
Past 24 hrsConcentration / AQHI
Hourly concentration (ug/m3)
NO2 43.2 PM2.5 9.5
SO2 6.7 PM10 18.3
O3 3.3
Tap Mun
Tap Mun AQHI 1
Past 24 hrsConcentration / AQHI
Hourly concentration (ug/m3)
NO2 3.0 PM2.5 8.1
SO2 4.4 PM10 15.4
O3 18.5
Tsuen Wan
Tsuen Wan AQHI 2
Past 24 hrsConcentration / AQHI
Hourly concentration (ug/m3)
NO2 54.9 PM2.5 11.4
SO2 27.9 PM10 19.7
O3 3.7
Tung Chung
Tung Chung AQHI 2
Past 24 hrsConcentration / AQHI
Hourly concentration (ug/m3)
NO2 13.4 PM2.5 6.9
SO2 3.3 PM10 14.5
O3 31.2
Yuen Long
Yuen Long AQHI 2
Past 24 hrsConcentration / AQHI
Hourly concentration (ug/m3)
NO2 37.4 PM2.5 2.7
SO2 6.4 PM10 18.6
O3 4.1
Causeway Bay
Causeway Bay AQHI 4
Past 24 hrsConcentration / AQHI
Hourly concentration (ug/m3)
NO2 107.1 PM2.5 27.9
SO2 10.2 PM10 41.8
O3 1.1
Central
Central AQHI 3
Past 24 hrsConcentration / AQHI
Hourly concentration (ug/m3)
NO2 74.2 PM2.5 9.3
SO2 8.6 PM10 17.4
O3 3.0
Sha Tin
Sha Tin AQHI 2
Past 24 hrsConcentration / AQHI
Hourly concentration (ug/m3)
NO2 55.2 PM2.5 10.4
SO2 10.7 PM10 16.1
O3 2.3
Kwun Tong
Kwun Tong AQHI 3
Past 24 hrsConcentration / AQHI
Hourly concentration (ug/m3)
NO2 48.6 PM2.5 12.5
SO2 6.2 PM10 24.5
O3 20.8
Eastern
Eastern AQHI 2
Past 24 hrsConcentration / AQHI
Hourly concentration (ug/m3)
NO2 31.9 PM2.5 2.9
SO2 3.8 PM10 9.9
O3 21.3
Mong Kok
Mong Kok AQHI 3
Past 24 hrsConcentration / AQHI
Hourly concentration (ug/m3)
NO2 72.8 PM2.5 18.7
SO2 4.5 PM10 27.3
O3 3.4
Tuen Mun
Tuen Mun AQHI 2
Past 24 hrsConcentration / AQHI
Hourly concentration (ug/m3)
NO2 33.0 PM2.5 7.0
SO2 4.5 PM10 24.0
O3 13.6
General Station
Roadside Station
Remark:

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

(2) The hourly reported AQHI is for short term health risk communication; for health risks of long-term exposure of the air quality, please refer to Annual Air Quality Index (Annual AQI).

(3) In case of station or equipment suspension due to maintenance, the data collection for calculation of AQHI at station will be affected, the data of a most similar station will then be adopted. Such AQHI will be shown in italics.


FORECAST of Health Risk
28-07-2015
Tomorrow A.M.
Tomorrow P.M.
General Stations Low to Moderate Low to Moderate
Roadside Stations Low to Moderate Low to Moderate
低(LOW)[1-3] 中(MODERATE)[4-6] 高(HIGH)[7] 甚高(VERY HIGH)[8-10] 嚴重(SERIOUS)[10+]
Air Quality Health Index
22:00 28-07-2015 AQHI Health Risk
General Stations Central/Western 2Link to past 24 hrs AQHI trend Low
Eastern 2Link to past 24 hrs AQHI trend Low
Kwun Tong 3Link to past 24 hrs AQHI trend Low
Sham Shui Po 2Link to past 24 hrs AQHI trend Low
Kwai Chung 3Link to past 24 hrs AQHI trend Low
Tsuen Wan 2Link to past 24 hrs AQHI trend Low
Yuen Long 2Link to past 24 hrs AQHI trend Low
Tuen Mun 2Link to past 24 hrs AQHI trend Low
Tung Chung 2Link to past 24 hrs AQHI trend Low
Tai Po 2Link to past 24 hrs AQHI trend Low
Sha Tin 2Link to past 24 hrs AQHI trend Low
Tap Mun 1Link to past 24 hrs AQHI trend Low
Roadside Stations Causeway Bay 4Link to past 24 hrs AQHI trend Moderate
Central 3Link to past 24 hrs AQHI trend Low
Mong Kok 3Link to past 24 hrs AQHI trend Low
Mobile Version | Desktop Version
Last revision date:22:06 28-07-2015