Central
Date TimeNO2O3SO2COPM10PM2.5
2022-01-20 19:00122.823.36.41,061.635.622.0
2022-01-20 18:0099.639.14.7996.936.923.8
2022-01-20 17:0095.839.05.0903.437.324.0
2022-01-20 16:0088.742.53.8932.834.222.0
2022-01-20 15:0087.941.93.8988.630.220.4
2022-01-20 14:0065.955.03.4916.431.020.9
2022-01-20 13:0066.347.94.3983.429.520.6
2022-01-20 12:00----28.618.7
2022-01-20 11:00----30.819.2
2022-01-20 10:0087.918.05.41,001.540.425.4
2022-01-20 09:0087.513.06.0986.431.819.5
2022-01-20 08:0065.426.03.6925.529.218.2
2022-01-20 07:0047.647.43.1859.324.814.5
2022-01-20 06:0039.056.82.6841.826.118.0
2022-01-20 05:0046.749.52.6847.822.915.6
2022-01-20 04:0064.817.83.3949.621.913.2
2022-01-20 03:0062.812.33.0962.218.514.3
2022-01-20 02:0070.110.93.6975.720.013.9
2022-01-20 01:0072.110.23.8998.318.710.5
2022-01-20 00:0073.415.23.9959.827.916.5
2022-01-19 23:0083.018.73.9969.234.819.2
2022-01-19 22:0089.322.93.8986.933.420.4
2022-01-19 21:00122.613.85.41,373.138.626.0
2022-01-19 20:00135.715.35.91,347.536.225.6
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.

Mobile Version | Desktop Version
Last revision date: 19:07 20-01-2022