Tsuen Wan
Date TimeNO2O3SO2COPM10PM2.5
2021-10-29 05:0011.4110.73.6219.731.920.2
2021-10-29 04:0014.5102.44.1304.230.219.5
2021-10-29 03:0012.7108.13.8465.727.417.8
2021-10-29 02:0018.0101.24.4313.334.923.2
2021-10-29 01:00----32.420.7
2021-10-29 00:0035.287.13.6267.632.420.9
2021-10-28 23:0035.189.73.9287.334.922.2
2021-10-28 22:0043.686.83.9346.934.421.8
2021-10-28 21:0044.691.53.9373.740.127.2
2021-10-28 20:0062.177.64.2424.140.327.7
2021-10-28 19:0069.871.34.2469.638.826.2
2021-10-28 18:0062.380.84.4431.435.623.2
2021-10-28 17:0047.192.64.2333.336.323.4
2021-10-28 16:0043.689.24.2323.537.624.2
2021-10-28 15:0039.492.34.5319.138.223.9
2021-10-28 14:0048.283.74.9345.637.924.3
2021-10-28 13:0032.391.04.8403.737.022.9
2021-10-28 12:0029.284.94.9396.534.620.6
2021-10-28 11:0034.672.14.8382.633.420.6
2021-10-28 10:0036.467.74.6417.429.616.5
2021-10-28 09:0039.362.15.3366.526.113.0
2021-10-28 08:0050.556.44.5445.826.214.0
2021-10-28 07:0041.069.24.2420.323.912.9
2021-10-28 06:0017.791.43.8281.724.313.1
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: 05:07 29-10-2021