Tsuen Wan
Date TimeNO2O3SO2COPM10PM2.5
2024-05-05 19:0061.072.32.0409.612.88.3
2024-05-05 18:0064.274.42.9365.213.89.3
2024-05-05 17:0072.473.73.6337.015.510.0
2024-05-05 16:0071.478.13.7373.315.19.5
2024-05-05 15:0073.577.53.9360.115.710.8
2024-05-05 14:0069.776.53.6355.312.98.8
2024-05-05 13:0070.575.43.6394.711.47.0
2024-05-05 12:0064.070.62.5379.010.16.2
2024-05-05 11:0049.972.61.9350.710.17.4
2024-05-05 10:0029.280.81.1337.77.85.9
2024-05-05 09:0029.463.30.9363.37.35.6
2024-05-05 08:0027.658.70.9351.98.77.1
2024-05-05 07:0031.052.70.8386.010.17.2
2024-05-05 06:0018.554.50.9259.211.46.7
2024-05-05 05:0022.546.30.8273.210.56.6
2024-05-05 04:0026.545.70.9377.610.46.6
2024-05-05 03:0028.850.70.8376.59.45.4
2024-05-05 02:0025.953.20.8339.28.03.7
2024-05-05 01:0032.053.00.8355.310.46.2
2024-05-05 00:0034.156.80.7342.37.94.8
2024-05-04 23:0037.263.70.8352.310.99.1
2024-05-04 22:0040.974.30.9394.96.24.9
2024-05-04 21:0072.754.81.0510.33.72.9
2024-05-04 20:0066.170.80.8426.411.09.9
Remarks:

(1) Time shown is in Hong Kong time.

(2) Concentration shown is in microgram per cubic metre (µg/m3).

(3) Abbreviation:
NO2 - nitrogen dioxide, O3 - ozone,
SO2 - sulphur dioxide, CO - carbon monoxide,
PM10 - respirable suspended particulates,
PM2.5 - fine suspended particulates

(4) The pollutant concentration is based on real time data taken directly from EPD's Air Quality Monitoring Network.

Last revision date: 19:07 05-05-2024