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Past 24 Hours Pollutant Concentration Summary

North
Date TimeNO2O3SO2COPM10PM2.5
2023-01-30 06:0050.07.76.9848.628.419.3
2023-01-30 05:00-16.36.9685.729.121.9
2023-01-30 04:0034.820.41.0695.530.123.9
2023-01-30 03:0047.717.30.8715.534.123.1
2023-01-30 02:0061.67.11.41,159.740.226.1
2023-01-30 01:0061.87.51.7918.945.028.6
2023-01-30 00:0070.75.42.71,049.247.929.2
2023-01-29 23:0072.46.32.71,178.151.531.9
2023-01-29 22:0078.46.12.51,095.254.435.7
2023-01-29 21:0081.87.43.31,098.655.538.5
2023-01-29 20:0081.811.52.21,026.551.031.5
2023-01-29 19:0082.726.12.41,027.444.021.3
2023-01-29 18:0038.993.32.6699.643.518.8
2023-01-29 17:0018.6116.92.5671.544.521.1
2023-01-29 16:0017.5114.62.3555.346.223.0
2023-01-29 15:0012.4116.02.3520.047.223.1
2023-01-29 14:0013.9110.02.4546.545.721.0
2023-01-29 13:0014.3102.92.6529.545.418.6
2023-01-29 12:0016.794.02.8532.647.021.3
2023-01-29 11:0016.988.43.1559.247.026.3
2023-01-29 10:0021.480.02.8612.950.126.6
2023-01-29 09:0020.680.12.2549.854.325.0
2023-01-29 08:0023.280.22.3582.553.922.8
2023-01-29 07:0016.484.82.4551.352.122.5
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.