HIGHLIGHTS
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Current AQHI: General Stations 3 to 4Roadside Stations 4
Forecast of Health Risk Maximums:
General Stations: Moderate
Roadside Stations: Moderate
Central/Western
Central/Western AQHI 3
Past 24 hrsConcentration / AQHI
Hourly concentration (ug/m3)
NO231.9PM2.516.3
SO25.0PM1025.8
O368.1
Kwai Chung
Kwai Chung AQHI 4
Past 24 hrsConcentration / AQHI
Hourly concentration (ug/m3)
NO249.4PM2.514.2
SO26.3PM1023.7
O359.9
Sham Shui Po
Sham Shui Po AQHI 3
Past 24 hrsConcentration / AQHI
Hourly concentration (ug/m3)
NO263.4PM2.5-
SO25.4PM10-
O336.0
Tai Po
Tai Po AQHI 4
Past 24 hrsConcentration / AQHI
Hourly concentration (ug/m3)
NO260.8PM2.518.2
SO22.1PM1026.9
O352.7
Tap Mun
Tap Mun AQHI -
Past 24 hrsConcentration / AQHI
Hourly concentration (ug/m3)
NO211.0PM2.513.7
SO28.1PM1026.2
O379.7
Tsuen Wan
Tsuen Wan AQHI 3
Past 24 hrsConcentration / AQHI
Hourly concentration (ug/m3)
NO248.0PM2.521.6
SO27.9PM1028.4
O358.1
Tung Chung
Tung Chung AQHI 3
Past 24 hrsConcentration / AQHI
Hourly concentration (ug/m3)
NO250.6PM2.514.6
SO26.0PM1025.0
O341.5
Yuen Long
Yuen Long AQHI 4
Past 24 hrsConcentration / AQHI
Hourly concentration (ug/m3)
NO256.6PM2.521.3
SO26.4PM1053.6
O361.9
Causeway Bay
Causeway Bay AQHI 4
Past 24 hrsConcentration / AQHI
Hourly concentration (ug/m3)
NO289.8PM2.526.2
SO27.6PM1040.9
O317.5
Central
Central AQHI 4
Past 24 hrsConcentration / AQHI
Hourly concentration (ug/m3)
NO296.0PM2.57.5
SO24.5PM1016.4
O322.1
Sha Tin
Sha Tin AQHI 3
Past 24 hrsConcentration / AQHI
Hourly concentration (ug/m3)
NO235.7PM2.57.9
SO25.3PM1017.9
O370.4
Kwun Tong
Kwun Tong AQHI 3
Past 24 hrsConcentration / AQHI
Hourly concentration (ug/m3)
NO228.5PM2.516.0
SO23.4PM1032.0
O364.3
Tseung Kwan O
Tseung Kwan O AQHI 3
Past 24 hrsConcentration / AQHI
Hourly concentration (ug/m3)
NO218.9PM2.510.5
SO26.0PM1019.7
O381.5
Eastern
Eastern AQHI 4
Past 24 hrsConcentration / AQHI
Hourly concentration (ug/m3)
NO238.7PM2.59.3
SO21.3PM1022.6
O367.7
Mong Kok
Mong Kok AQHI 4
Past 24 hrsConcentration / AQHI
Hourly concentration (ug/m3)
NO293.2PM2.525.5
SO23.1PM1033.4
O322.4
Tuen Mun
Tuen Mun AQHI 4
Past 24 hrsConcentration / AQHI
Hourly concentration (ug/m3)
NO273.9PM2.520.2
SO25.3PM1041.0
O356.5
General Station
Roadside Station
Suspended
Remarks:

(1) Time shown is in Hong Kong time.

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

(3) 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 the Annual Air Quality Index(Annual AQI).

(4) 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 most similar stations will then be adopted. Such AQHI will be shown in italics.

FORECAST of Health Risk
17-10-2017
Today P.M.
Tomorrow A.M.
General StationsLow to ModerateLow
Roadside StationsLow to ModerateLow to Moderate
低(LOW)[1-3] 中(MODERATE)[4-6] 高(HIGH)[7] 甚高(VERY HIGH)[8-10] 嚴重(SERIOUS)[10+]
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Last revision date:15:05 17-10-2017