HIGHLIGHTS
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Current AQHI: General Stations 6 to 10Roadside Stations 6 to 7
Forecast of Health Risk Maximums:
General Stations: Moderate
Roadside Stations: Moderate
Central/Western
Central/Western AQHI 7
Past 24 hrsConcentration / AQHI
Hourly concentration (ug/m3)
NO266.3PM2.535.8
SO26.7PM1056.4
O3131.5
Kwai Chung
Kwai Chung AQHI 7
Past 24 hrsConcentration / AQHI
Hourly concentration (ug/m3)
NO2116.2PM2.542.0
SO210.5PM1062.0
O396.1
Sham Shui Po
Sham Shui Po AQHI 6
Past 24 hrsConcentration / AQHI
Hourly concentration (ug/m3)
NO290.2PM2.535.2
SO27.7PM1065.0
O390.3
Tai Po
Tai Po AQHI 8
Past 24 hrsConcentration / AQHI
Hourly concentration (ug/m3)
NO255.1PM2.538.9
SO26.5PM1059.7
O3180.8
Tap Mun
Tap Mun AQHI 7
Past 24 hrsConcentration / AQHI
Hourly concentration (ug/m3)
NO23.9PM2.533.8
SO26.6PM1061.5
O3177.3
Tsuen Wan
Tsuen Wan AQHI 8
Past 24 hrsConcentration / AQHI
Hourly concentration (ug/m3)
NO252.1PM2.542.8
SO210.1PM1063.8
O3156.1
Tung Chung
Tung Chung AQHI 10
Past 24 hrsConcentration / AQHI
Hourly concentration (ug/m3)
NO237.6PM2.548.8
SO28.0PM1074.8
O3246.1
Yuen Long
Yuen Long AQHI 10
Past 24 hrsConcentration / AQHI
Hourly concentration (ug/m3)
NO279.1PM2.554.2
SO210.7PM1084.5
O3247.2
Causeway Bay
Causeway Bay AQHI 6
Past 24 hrsConcentration / AQHI
Hourly concentration (ug/m3)
NO271.6PM2.547.4
SO22.3PM1073.1
O3101.8
Central
Central AQHI 7
Past 24 hrsConcentration / AQHI
Hourly concentration (ug/m3)
NO2116.1PM2.539.4
SO25.6PM1061.1
O387.0
Sha Tin
Sha Tin AQHI 7
Past 24 hrsConcentration / AQHI
Hourly concentration (ug/m3)
NO223.2PM2.525.8
SO26.7PM1042.6
O3174.7
Kwun Tong
Kwun Tong AQHI 7
Past 24 hrsConcentration / AQHI
Hourly concentration (ug/m3)
NO248.7PM2.536.0
SO24.1PM1064.0
O3134.4
Tseung Kwan O
Tseung Kwan O AQHI 6
Past 24 hrsConcentration / AQHI
Hourly concentration (ug/m3)
NO220.6PM2.534.2
SO24.5PM1055.2
O3165.6
Eastern
Eastern AQHI 7
Past 24 hrsConcentration / AQHI
Hourly concentration (ug/m3)
NO260.2PM2.530.8
SO23.0PM1051.3
O3137.4
Mong Kok
Mong Kok AQHI 7
Past 24 hrsConcentration / AQHI
Hourly concentration (ug/m3)
NO2141.1PM2.543.2
SO24.4PM1066.0
O355.8
Tuen Mun
Tuen Mun AQHI 10
Past 24 hrsConcentration / AQHI
Hourly concentration (ug/m3)
NO277.8PM2.558.0
SO211.3PM10107.0
O3263.9
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
19-10-2019
Tomorrow A.M.
Tomorrow P.M.
General StationsLow to ModerateModerate to Very High
Roadside StationsModerateModerate to Very High
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
17:00 19-10-2019AQHIHealth Risk
General StationsCentral/Western7Link to past 24 hrs AQHI trendHigh
Eastern7Link to past 24 hrs AQHI trendHigh
Kwun Tong7Link to past 24 hrs AQHI trendHigh
Sham Shui Po6Link to past 24 hrs AQHI trendModerate
Kwai Chung7Link to past 24 hrs AQHI trendHigh
Tsuen Wan8Link to past 24 hrs AQHI trendVery High
Tseung Kwan O6Link to past 24 hrs AQHI trendModerate
Yuen Long10Link to past 24 hrs AQHI trendVery High
Tuen Mun10Link to past 24 hrs AQHI trendVery High
Tung Chung10Link to past 24 hrs AQHI trendVery High
Tai Po8Link to past 24 hrs AQHI trendVery High
Sha Tin7Link to past 24 hrs AQHI trendHigh
Tap Mun7Link to past 24 hrs AQHI trendHigh
Roadside StationsCauseway Bay6Link to past 24 hrs AQHI trendModerate
Central7Link to past 24 hrs AQHI trendHigh
Mong Kok7Link to past 24 hrs AQHI trendHigh
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Last revision date:17:07 19-10-2019