Mong Kok
Date TimeNO2O3SO2COPM10PM2.5
2021-05-18 14:0062.217.74.8534.514.110.0
2021-05-18 13:0069.117.35.7568.616.912.2
2021-05-18 12:0071.216.55.7596.616.010.5
2021-05-18 11:0068.213.76.5606.114.59.7
2021-05-18 10:0073.67.96.8588.414.610.5
2021-05-18 09:0060.55.86.3591.512.99.9
2021-05-18 08:0051.57.15.0537.311.09.4
2021-05-18 07:0041.310.84.4499.28.47.2
2021-05-18 06:0030.116.33.9477.78.67.4
2021-05-18 05:0027.315.53.6459.911.59.7
2021-05-18 04:0029.513.73.3500.39.67.9
2021-05-18 03:0030.511.43.8483.19.17.4
2021-05-18 02:0035.18.64.0460.99.67.7
2021-05-18 01:0050.64.75.2546.210.98.6
2021-05-18 00:0049.47.44.6564.911.38.4
2021-05-17 23:0055.85.45.3650.815.912.6
2021-05-17 22:0052.96.24.5645.914.511.4
2021-05-17 21:0038.98.54.2572.115.011.3
2021-05-17 20:0052.57.95.1609.016.412.7
2021-05-17 19:0077.35.46.7658.414.59.8
2021-05-17 18:0064.78.75.9593.216.29.7
2021-05-17 17:0076.08.86.6537.318.613.7
2021-05-17 16:0078.416.45.6541.917.012.7
2021-05-17 15:0052.820.25.4460.716.111.7
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: 14:07 18-05-2021