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Past 24 Hours Pollutant Concentration Summary

Central
Date TimeNO2O3SO2COPM10PM2.5
2023-09-26 07:0018.839.33.0219.210.85.2
2023-09-26 06:0011.754.33.2190.315.59.1
2023-09-26 05:008.364.92.9179.714.17.6
2023-09-26 04:0012.061.52.8200.114.27.5
2023-09-26 03:0011.660.42.8179.314.77.9
2023-09-26 02:0021.553.82.3163.820.512.7
2023-09-26 01:0030.656.32.3181.918.29.7
2023-09-26 00:0027.559.82.3199.619.510.7
2023-09-25 23:0034.951.82.5223.923.313.0
2023-09-25 22:0040.743.22.5325.521.712.3
2023-09-25 21:0041.944.13.0362.226.415.2
2023-09-25 20:0058.139.93.6430.329.418.1
2023-09-25 19:0069.850.33.4375.726.915.8
2023-09-25 18:0065.551.73.9378.822.312.6
2023-09-25 17:0061.149.24.1342.324.715.2
2023-09-25 16:0054.446.23.2333.922.213.5
2023-09-25 15:0055.048.13.5292.725.315.8
2023-09-25 14:0046.353.83.5370.325.415.1
2023-09-25 13:0056.240.93.6354.324.114.0
2023-09-25 12:0053.036.14.4338.222.912.5
2023-09-25 11:0053.032.34.4372.721.311.7
2023-09-25 10:0051.229.74.2309.820.410.1
2023-09-25 09:0057.617.84.7289.320.510.8
2023-09-25 08:0033.820.23.7299.718.58.9
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.