North
Date TimeNO2O3SO2COPM10PM2.5
2021-06-24 01:0048.68.21.9383.312.16.6
2021-06-24 00:0043.517.01.8397.610.97.4
2021-06-23 23:0035.235.11.9254.78.06.9
2021-06-23 22:0062.112.02.2392.23.7-
2021-06-23 21:0059.823.31.9369.44.9-
2021-06-23 20:0037.343.61.8295.06.45.1
2021-06-23 19:0031.051.71.8206.07.01.8
2021-06-23 18:0021.064.71.3196.57.04.0
2021-06-23 17:0025.754.01.2189.411.39.0
2021-06-23 16:0032.048.31.8213.117.69.9
2021-06-23 15:0033.154.41.7284.817.711.2
2021-06-23 14:0044.144.94.3377.216.916.0
2021-06-23 13:0055.329.68.5526.014.711.8
2021-06-23 12:0062.620.06.4562.313.310.3
2021-06-23 11:0052.024.35.8475.214.49.1
2021-06-23 10:0050.915.93.6455.216.19.2
2021-06-23 09:0047.320.03.2402.516.011.2
2021-06-23 08:0034.133.83.1334.016.511.3
2021-06-23 07:0039.79.22.7418.416.110.7
2021-06-23 06:0035.710.83.0286.611.78.6
2021-06-23 05:0024.725.13.1249.114.96.8
2021-06-23 04:0021.633.23.7240.522.29.4
2021-06-23 03:0019.923.74.3269.421.413.1
2021-06-23 02:0028.319.24.6262.512.98.6
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: 01:07 24-06-2021