Tap Mun
Date TimeNO2O3SO2COPM10PM2.5
2021-11-30 02:0037.842.97.8596.828.518.4
2021-11-30 01:0044.827.36.9617.627.919.4
2021-11-30 00:0023.647.06.9552.229.421.9
2021-11-29 23:0018.457.96.9534.726.619.4
2021-11-29 22:0015.766.06.8528.924.617.5
2021-11-29 21:0014.869.16.9513.024.518.3
2021-11-29 20:0015.071.96.8526.426.119.7
2021-11-29 19:0019.783.07.1561.928.819.4
2021-11-29 18:0023.1102.77.2520.734.721.3
2021-11-29 17:0013.0143.48.0495.238.121.0
2021-11-29 16:0010.6156.98.8484.938.721.9
2021-11-29 15:0010.1159.58.8477.737.821.3
2021-11-29 14:0013.2155.58.8514.940.322.9
2021-11-29 13:0017.0141.19.4537.642.822.1
2021-11-29 12:0014.5114.09.4524.835.917.5
2021-11-29 11:0015.593.99.8534.735.019.6
2021-11-29 10:0018.981.110.4564.330.617.9
2021-11-29 09:0020.474.510.7550.129.020.3
2021-11-29 08:0014.977.210.5540.131.522.3
2021-11-29 07:0013.078.510.3533.634.425.4
2021-11-29 06:0016.875.110.4544.634.024.3
2021-11-29 05:0013.978.210.5553.236.525.0
2021-11-29 04:0018.066.59.5576.735.623.0
2021-11-29 03:0023.454.49.6595.928.717.5
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.

Last revision date: 02:07 30-11-2021