HIGHLIGHTS
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Current AQHI: General Stations 3 to 5Roadside Stations 4 to 6
Forecast of Health Risk Maximums:
General Stations: Moderate
Roadside Stations: Moderate
Central/Western
Central/Western AQHI 4
Past 24 hrsConcentration / AQHI
Hourly concentration (ug/m3)
NO2 10.0 PM2.5 14.1
SO2 3.8 PM10 24.2
O3 69.9
Kwai Chung
Kwai Chung AQHI 4
Past 24 hrsConcentration / AQHI
Hourly concentration (ug/m3)
NO2 66.8 PM2.5 19.4
SO2 23.3 PM10 34.5
O3 36.8
Sham Shui Po
Sham Shui Po AQHI 4
Past 24 hrsConcentration / AQHI
Hourly concentration (ug/m3)
NO2 41.9 PM2.5 19.0
SO2 8.3 PM10 40.2
O3 48.3
Tai Po
Tai Po AQHI 4
Past 24 hrsConcentration / AQHI
Hourly concentration (ug/m3)
NO2 30.4 PM2.5 12.8
SO2 7.4 PM10 19.6
O3 95.1
Tap Mun
Tap Mun AQHI 3
Past 24 hrsConcentration / AQHI
Hourly concentration (ug/m3)
NO2 14.5 PM2.5 17.4
SO2 12.1 PM10 31.7
O3 104.9
Tsuen Wan
Tsuen Wan AQHI 4
Past 24 hrsConcentration / AQHI
Hourly concentration (ug/m3)
NO2 62.9 PM2.5 19.4
SO2 11.1 PM10 29.7
O3 71.9
Tung Chung
Tung Chung AQHI 4
Past 24 hrsConcentration / AQHI
Hourly concentration (ug/m3)
NO2 17.2 PM2.5 11.4
SO2 10.4 PM10 19.7
O3 69.5
Yuen Long
Yuen Long AQHI 4
Past 24 hrsConcentration / AQHI
Hourly concentration (ug/m3)
NO2 39.5 PM2.5 18.4
SO2 9.2 PM10 26.8
O3 73.6
Causeway Bay
Causeway Bay AQHI 6
Past 24 hrsConcentration / AQHI
Hourly concentration (ug/m3)
NO2 169.0 PM2.5 37.1
SO2 17.5 PM10 52.0
O3 4.5
Central
Central AQHI 4
Past 24 hrsConcentration / AQHI
Hourly concentration (ug/m3)
NO2 72.8 PM2.5 19.8
SO2 6.8 PM10 32.8
O3 33.6
Sha Tin
Sha Tin AQHI 4
Past 24 hrsConcentration / AQHI
Hourly concentration (ug/m3)
NO2 47.2 PM2.5 17.9
SO2 16.0 PM10 23.0
O3 76.0
Kwun Tong
Kwun Tong AQHI 5
Past 24 hrsConcentration / AQHI
Hourly concentration (ug/m3)
NO2 117.8 PM2.5 24.8
SO2 9.5 PM10 45.2
O3 42.1
Tseung Kwan O
Tseung Kwan O AQHI 4
Past 24 hrsConcentration / AQHI
Hourly concentration (ug/m3)
NO2 48.0 PM2.5 12.6
SO2 6.3 PM10 21.5
O3 84.1
Eastern
Eastern AQHI 4
Past 24 hrsConcentration / AQHI
Hourly concentration (ug/m3)
NO2 51.9 PM2.5 13.6
SO2 18.1 PM10 24.0
O3 70.1
Mong Kok
Mong Kok AQHI 4
Past 24 hrsConcentration / AQHI
Hourly concentration (ug/m3)
NO2 86.4 PM2.5 22.4
SO2 4.1 PM10 30.8
O3 25.6
Tuen Mun
Tuen Mun AQHI 4
Past 24 hrsConcentration / AQHI
Hourly concentration (ug/m3)
NO2 40.8 PM2.5 16.0
SO2 36.7 PM10 48.0
O3 49.2
General Station
Roadside Station
Suspended
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
23-07-2016
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
16:00 23-07-2016 AQHI Health Risk
General Stations Central/Western 4Link to past 24 hrs AQHI trend Moderate
Eastern 4Link to past 24 hrs AQHI trend Moderate
Kwun Tong 5Link to past 24 hrs AQHI trend Moderate
Sham Shui Po 4Link to past 24 hrs AQHI trend Moderate
Kwai Chung 4Link to past 24 hrs AQHI trend Moderate
Tsuen Wan 4Link to past 24 hrs AQHI trend Moderate
Tseung Kwan O 4Link to past 24 hrs AQHI trend Moderate
Yuen Long 4Link to past 24 hrs AQHI trend Moderate
Tuen Mun 4Link to past 24 hrs AQHI trend Moderate
Tung Chung 4Link to past 24 hrs AQHI trend Moderate
Tai Po 4Link to past 24 hrs AQHI trend Moderate
Sha Tin 4Link to past 24 hrs AQHI trend Moderate
Tap Mun 3Link to past 24 hrs AQHI trend Low
Roadside Stations Causeway Bay 6Link to past 24 hrs AQHI trend Moderate
Central 4Link to past 24 hrs AQHI trend Moderate
Mong Kok 4Link to past 24 hrs AQHI trend Moderate
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Last revision date:16:07 23-07-2016