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Tuen Mun
Date TimeNO2O3SO2COPM10PM2.5
2023-01-30 06:0036.044.82.9572.638.024.0
2023-01-30 05:0032.250.03.0654.738.027.9
2023-01-30 04:0030.454.63.0493.551.527.0
2023-01-30 03:0048.437.52.9570.351.028.9
2023-01-30 02:0071.917.83.2708.958.730.0
2023-01-30 01:0084.08.33.5828.559.035.8
2023-01-30 00:0094.25.34.2924.959.031.2
2023-01-29 23:0097.26.64.4937.860.935.8
2023-01-29 22:00100.312.44.5969.361.033.1
2023-01-29 21:00104.312.85.3893.462.935.9
2023-01-29 20:0073.747.24.3676.363.037.0
2023-01-29 19:0055.572.35.3537.165.930.2
2023-01-29 18:0044.789.68.7447.766.031.9
2023-01-29 17:0035.099.28.6435.067.933.9
2023-01-29 16:0030.8101.88.0434.066.132.1
2023-01-29 15:0030.597.98.1438.861.230.1
2023-01-29 14:0018.6102.45.1462.357.128.1
2023-01-29 13:0017.496.74.6457.062.831.9
2023-01-29 12:0018.590.14.6466.856.231.0
2023-01-29 11:0018.785.84.4471.969.532.9
2023-01-29 10:0016.683.94.0444.960.329.1
2023-01-29 09:0025.672.03.7488.861.930.9
2023-01-29 08:0017.679.73.8436.762.031.0
2023-01-29 07:0015.982.43.8432.163.933.9
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: 06:07 30-01-2023