Eastern
Date TimeNO2O3SO2COPM10PM2.5
2021-05-18 15:0022.851.00.8-19.09.3
2021-05-18 14:0023.452.11.2-16.411.1
2021-05-18 13:0021.353.51.7-14.811.8
2021-05-18 12:0023.254.21.7-9.2-
2021-05-18 11:0020.852.41.7-7.7-
2021-05-18 10:0019.044.71.3-8.86.4
2021-05-18 09:0026.833.31.0-11.25.2
2021-05-18 08:0021.241.51.0-12.95.0
2021-05-18 07:0020.842.10.6-9.75.0
2021-05-18 06:0014.546.80.7-10.14.5
2021-05-18 05:0012.143.60.9-12.06.4
2021-05-18 04:0012.644.50.7-12.67.7
2021-05-18 03:0014.341.80.9-8.95.2
2021-05-18 02:0014.839.71.3-11.26.9
2021-05-18 01:0015.840.61.2-14.28.6
2021-05-18 00:0017.639.81.1-14.09.6
2021-05-17 23:0018.342.31.0-7.9-
2021-05-17 22:0020.339.61.0-9.09.0
2021-05-17 21:0019.937.91.5-14.99.5
2021-05-17 20:0026.035.12.0-14.57.2
2021-05-17 19:0029.630.52.0-8.1-
2021-05-17 18:0020.843.31.2-6.8-
2021-05-17 17:0027.249.01.0-11.07.0
2021-05-17 16:0021.348.71.0-14.47.9
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: 15:07 18-05-2021