Tsuen Wan
Date TimeNO2O3SO2COPM10PM2.5
2024-02-23 11:0024.724.41.1685.922.211.2
2024-02-23 10:0027.422.31.3696.114.410.1
2024-02-23 09:0032.022.11.2673.115.312.4
2024-02-23 08:0032.322.41.4676.717.613.8
2024-02-23 07:0038.410.56.8744.827.218.6
2024-02-23 06:0038.12.95.7753.328.519.2
2024-02-23 05:0039.12.65.6802.829.518.7
2024-02-23 04:0046.42.95.6791.931.720.0
2024-02-23 03:0049.53.15.1786.832.321.2
2024-02-23 02:0049.96.44.0696.423.118.8
2024-02-23 01:0028.320.11.0527.319.517.4
2024-02-23 00:0030.923.91.1508.521.419.0
2024-02-22 23:0032.429.91.3532.920.217.3
2024-02-22 22:0033.831.21.3548.221.317.9
2024-02-22 21:0036.032.41.1568.922.618.7
2024-02-22 20:0039.631.10.9574.519.916.1
2024-02-22 19:0044.330.31.2571.722.617.9
2024-02-22 18:0052.825.81.7566.924.017.8
2024-02-22 17:0059.222.72.3542.126.219.8
2024-02-22 16:0048.328.53.1479.928.822.8
2024-02-22 15:0042.630.53.9484.428.823.4
2024-02-22 14:0046.626.54.8493.330.824.0
2024-02-22 13:0060.311.67.5574.033.825.0
2024-02-22 12:0068.65.89.0613.732.322.6
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: 11:07 23-02-2024