Central/Western
Date TimeNO2O3SO2COPM10PM2.5
2021-06-24 19:0087.89.45.0-10.18.5
2021-06-24 18:0062.327.33.9-6.85.2
2021-06-24 17:0054.132.94.0-6.95.9
2021-06-24 16:0054.036.84.0-8.37.6
2021-06-24 15:0066.828.23.2-7.76.7
2021-06-24 14:0058.337.43.3-10.08.9
2021-06-24 13:0043.252.33.4-13.79.9
2021-06-24 12:0044.945.33.7-14.29.2
2021-06-24 11:0042.745.53.7-12.99.0
2021-06-24 10:0050.834.64.0-10.48.0
2021-06-24 09:0041.838.53.2-8.76.1
2021-06-24 08:0033.642.23.5-10.06.9
2021-06-24 07:0022.244.33.7-9.35.6
2021-06-24 06:0031.531.84.2-7.64.7
2021-06-24 05:0028.435.34.0-6.24.0
2021-06-24 04:0025.740.04.3-7.35.2
2021-06-24 03:0032.737.64.9-6.85.4
2021-06-24 02:0048.625.24.9-6.24.9
2021-06-24 01:0030.142.64.8-9.87.1
2021-06-24 00:0074.6-4.1-9.26.9
2021-06-23 23:0032.042.83.1-9.07.3
2021-06-23 22:0048.233.33.9-10.18.5
2021-06-23 21:0057.424.54.6-8.26.9
2021-06-23 20:00-43.2--8.16.6
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: 19:07 24-06-2021