Yuen Long
Date TimeNO2O3SO2COPM10PM2.5
2022-06-28 04:0027.215.45.1409.82.7-
2022-06-28 03:0039.26.05.3421.33.6-
2022-06-28 02:0042.77.55.5430.15.54.6
2022-06-28 01:00----6.84.4
2022-06-28 00:0040.94.95.2467.73.72.1
2022-06-27 23:0040.25.55.3465.47.34.6
2022-06-27 22:0038.87.14.8493.3--
2022-06-27 21:0030.216.73.7498.0--
2022-06-27 20:0023.726.43.2500.5--
2022-06-27 19:0024.929.83.1508.5--
2022-06-27 18:0029.934.13.3511.7--
2022-06-27 17:0027.343.23.3492.5--
2022-06-27 16:0018.346.93.1464.21.5-
2022-06-27 15:0018.949.23.0449.05.02.9
2022-06-27 14:0025.146.33.4445.05.35.0
2022-06-27 13:0022.948.53.0432.23.52.5
2022-06-27 12:0014.147.33.0408.62.92.3
2022-06-27 11:0017.135.03.8426.13.02.4
2022-06-27 10:0020.127.34.3418.53.83.2
2022-06-27 09:0024.617.44.1452.93.42.6
2022-06-27 08:0025.912.73.1451.92.72.3
2022-06-27 07:0023.413.03.0423.02.4-
2022-06-27 06:0019.414.12.8408.80.9-
2022-06-27 05:0016.418.72.7391.52.3-
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: 04:07 28-06-2022