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Mong Kok
Date TimeNO2O3SO2COPM10PM2.5
2023-02-08 05:0023.570.71.6425.811.16.3
2023-02-08 04:0020.272.91.7424.515.510.7
2023-02-08 03:00-67.8--15.311.4
2023-02-08 02:0029.367.81.6513.314.39.9
2023-02-08 01:0044.754.22.1525.523.717.3
2023-02-08 00:0056.139.92.1518.227.120.7
2023-02-07 23:0067.034.12.6571.230.625.1
2023-02-07 22:0078.434.23.0612.538.732.7
2023-02-07 21:0078.633.73.4678.343.034.6
2023-02-07 20:0088.919.84.0805.833.525.5
2023-02-07 19:0078.422.33.5597.522.215.1
2023-02-07 18:00102.615.57.0598.822.012.8
2023-02-07 17:00105.113.76.8664.623.613.9
2023-02-07 16:0087.122.84.3675.720.212.6
2023-02-07 15:0084.322.45.5632.624.615.5
2023-02-07 14:0086.316.75.4596.422.114.2
2023-02-07 13:0071.922.13.9595.025.717.5
2023-02-07 12:0079.718.24.7737.424.815.4
2023-02-07 11:0078.316.33.9729.225.416.3
2023-02-07 10:0081.914.24.1703.722.915.9
2023-02-07 09:0085.613.94.5764.525.918.4
2023-02-07 08:0076.914.03.8720.321.714.9
2023-02-07 07:0053.126.02.2556.820.614.4
2023-02-07 06:0034.041.82.0600.519.514.8
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: 05:07 08-02-2023