Tung Chung
Date TimeNO2O3SO2COPM10PM2.5
2021-11-30 01:00----34.024.4
2021-11-30 00:0067.029.62.7284.840.328.0
2021-11-29 23:0075.728.02.9335.144.130.7
2021-11-29 22:0072.843.32.6319.740.829.1
2021-11-29 21:0075.061.42.6308.941.030.9
2021-11-29 20:0078.776.82.8351.140.829.6
2021-11-29 19:0095.663.12.9371.642.929.9
2021-11-29 18:00106.264.43.8372.450.832.7
2021-11-29 17:0045.2189.14.6261.058.433.8
2021-11-29 16:0051.3189.25.4291.669.336.5
2021-11-29 15:00----75.835.8
2021-11-29 14:00----54.625.3
2021-11-29 13:00----35.721.1
2021-11-29 12:00----36.621.8
2021-11-29 11:00----35.523.9
2021-11-29 10:00----34.226.8
2021-11-29 09:0062.416.94.0358.234.928.2
2021-11-29 08:0061.39.83.3352.231.927.0
2021-11-29 07:0048.818.90.1247.830.425.2
2021-11-29 06:0030.340.81.9215.230.624.7
2021-11-29 05:0024.749.22.0216.128.422.8
2021-11-29 04:0019.950.31.6179.529.824.3
2021-11-29 03:0026.649.32.1239.829.821.7
2021-11-29 02:0032.850.12.3248.230.821.5
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.

Last revision date: 01:07 30-11-2021