Central/Western
Date TimeNO2O3SO2COPM10PM2.5
2021-01-19 09:0050.866.71.0-54.325.3
2021-01-19 08:0040.872.30.6-52.723.1
2021-01-19 07:0022.786.20.3-56.025.5
2021-01-19 06:0017.792.70.3-55.123.3
2021-01-19 05:0014.698.50.3-56.824.4
2021-01-19 04:0016.3100.80.3-57.225.6
2021-01-19 03:0019.5103.60.3-57.226.8
2021-01-19 02:0022.3100.30.3-59.130.5
2021-01-19 01:0025.5104.20.3-63.634.4
2021-01-19 00:0032.3105.71.0-66.737.3
2021-01-18 23:0068.573.91.9-74.843.1
2021-01-18 22:0086.645.52.8-75.442.5
2021-01-18 21:0071.569.91.5-79.942.8
2021-01-18 20:0091.150.31.0-76.643.9
2021-01-18 19:0065.074.91.9-75.342.7
2021-01-18 18:0064.879.92.6-75.941.4
2021-01-18 17:0066.978.92.0-78.541.0
2021-01-18 16:0065.175.82.4-83.340.3
2021-01-18 15:0063.370.13.0-77.238.2
2021-01-18 14:0081.243.43.8-77.239.6
2021-01-18 13:00----74.938.0
2021-01-18 12:00----72.535.6
2021-01-18 11:00----72.635.6
2021-01-18 10:0078.026.93.5-74.635.5
Remarks:

(1) Time shown is in Hong Kong time.

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

(3) Concentration shown is in µg/m3.

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

(5) Owing to urgent repair and maintenance,  monitoring of NO2, O3 &  SO2 at Eastern general air quality monitoring station have been temporarily suspended until further notice. We apologize for any inconvenience caused.

Mobile Version | Desktop Version
Last revision date: 09:20 19-01-2021