Tsuen Wan
Date TimeNO2O3SO2COPM10PM2.5
2022-07-02 10:003.759.47.1299.99.73.4
2022-07-02 09:005.158.77.1296.712.13.2
2022-07-02 08:004.465.27.1287.210.82.8
2022-07-02 07:004.561.77.1289.312.74.7
2022-07-02 06:004.860.77.1279.416.97.3
2022-07-02 05:003.162.47.1284.513.46.2
2022-07-02 04:002.663.07.1266.36.43.9
2022-07-02 03:003.158.07.6279.211.36.8
2022-07-02 02:004.655.08.0280.711.53.5
2022-07-02 01:00----8.31.9
2022-07-02 00:004.555.27.1281.810.14.5
2022-07-01 23:006.453.87.1295.410.53.2
2022-07-01 22:008.251.77.1307.511.24.3
2022-07-01 21:0011.048.87.1331.214.16.5
2022-07-01 20:0014.145.27.1362.310.74.4
2022-07-01 19:0017.739.67.2384.011.76.3
2022-07-01 18:0014.643.17.4372.56.53.7
2022-07-01 17:0020.738.27.2412.42.01.4
2022-07-01 16:0022.338.97.2433.66.75.2
2022-07-01 15:0021.634.17.5437.55.04.1
2022-07-01 14:0019.841.57.4408.09.66.9
2022-07-01 13:0017.240.97.7378.24.61.8
2022-07-01 12:0015.042.47.8363.87.24.9
2022-07-01 11:0018.540.17.7388.64.31.8
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.

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Last revision date: 10:07 02-07-2022