Tuen Mun
Date TimeNO2O3SO2COPM10PM2.5
2021-03-08 08:0040.730.72.4780.311.410.0
2021-03-08 07:0025.832.32.1794.214.96.1
2021-03-08 06:0018.332.22.0881.38.28.0
2021-03-08 05:0016.334.82.0909.69.9-
2021-03-08 04:0014.039.21.9772.817.715.0
2021-03-08 03:0016.136.02.1849.124.821.9
2021-03-08 02:0019.830.22.2882.928.920.0
2021-03-08 01:0022.330.12.6906.128.019.0
2021-03-08 00:0020.731.52.7902.726.018.0
2021-03-07 23:0022.929.42.4921.124.121.9
2021-03-07 22:0022.738.32.3897.729.819.1
2021-03-07 21:0027.542.22.6939.021.321.0
2021-03-07 20:0039.226.02.1999.121.015.1
2021-03-07 19:0036.432.51.9971.815.2-
2021-03-07 18:0031.033.71.8928.822.79.2
2021-03-07 17:0029.029.12.0936.625.915.9
2021-03-07 16:0028.628.62.0918.227.911.1
2021-03-07 15:0029.228.12.2949.019.314.0
2021-03-07 14:0033.321.42.0953.219.016.0
2021-03-07 13:0035.217.22.2943.718.012.1
2021-03-07 12:0033.219.52.0858.813.2-
2021-03-07 11:0036.433.51.8767.521.714.0
2021-03-07 10:0040.628.12.0820.615.213.0
2021-03-07 09:0026.241.21.9729.019.8-
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.

(5) Owing to urgent repair and maintenance, monitoring of PM10 & PM2.5 at Mongkok roadside air quality monitoring station have been temporarily suspended until further notice. We apologize for any inconvenience caused.

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Last revision date: 08:07 08-03-2021