Eastern
Date TimeNO2O3SO2COPM10PM2.5
2023-03-20 23:0048.170.91.3-41.020.4
2023-03-20 22:0041.484.51.0-43.219.8
2023-03-20 21:0044.582.30.9-46.319.9
2023-03-20 20:0050.577.50.6-43.920.4
2023-03-20 19:0055.776.20.9-42.219.5
2023-03-20 18:0061.575.10.7-50.022.5
2023-03-20 17:0053.485.11.0-46.822.2
2023-03-20 16:0051.685.01.0-47.523.1
2023-03-20 15:0050.182.90.9-42.720.7
2023-03-20 14:0052.676.70.7-38.919.0
2023-03-20 13:0052.672.80.9-39.420.1
2023-03-20 12:0049.267.70.6-40.521.0
2023-03-20 11:0048.463.70.7-38.220.4
2023-03-20 10:0051.161.40.6-37.920.3
2023-03-20 09:0053.358.10.7-31.719.5
2023-03-20 08:0049.061.20.5-23.014.8
2023-03-20 07:0038.471.90.7-22.014.3
2023-03-20 06:0021.588.10.7-20.012.4
2023-03-20 05:0013.194.80.7-15.29.9
2023-03-20 04:0013.898.80.6-12.49.5
2023-03-20 03:0015.099.00.6-13.210.5
2023-03-20 02:0018.894.90.6-10.17.7
2023-03-20 01:0028.486.60.5-11.29.4
2023-03-20 00:0029.890.30.5-14.19.9
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.

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Last revision date: 23:07 20-03-2023