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Past 24 Hours Pollutant Concentration Summary

Tsuen Wan
Date TimeNO2O3SO2COPM10PM2.5
2022-06-28 05:0046.42.711.3245.15.64.2
2022-06-28 04:0031.15.19.1242.08.46.1
2022-06-28 03:0024.112.79.7251.65.84.5
2022-06-28 02:0033.612.710.7286.65.33.6
2022-06-28 01:00----5.74.4
2022-06-28 00:0038.54.59.5329.68.45.7
2022-06-27 23:0039.31.010.9400.26.84.0
2022-06-27 22:0038.81.49.6352.710.08.4
2022-06-27 21:0045.34.49.9334.810.28.8
2022-06-27 20:0040.010.79.3322.37.15.4
2022-06-27 19:0033.420.58.0308.64.31.4
2022-06-27 18:0032.823.37.9299.03.71.2
2022-06-27 17:0025.830.78.2265.34.11.1
2022-06-27 16:0022.132.98.6259.55.92.4
2022-06-27 15:0026.130.68.2280.47.34.2
2022-06-27 14:0028.030.88.4278.18.66.5
2022-06-27 13:0025.933.08.1259.99.25.6
2022-06-27 12:0030.524.98.5310.110.66.2
2022-06-27 11:0027.323.38.7272.110.86.1
2022-06-27 10:0033.719.510.6285.69.25.5
2022-06-27 09:0040.86.810.8362.06.64.7
2022-06-27 08:0041.94.011.7369.54.93.3
2022-06-27 07:0039.54.29.5309.04.22.9
2022-06-27 06:0034.54.89.3248.84.84.1
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.