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Past 24 Hours Pollutant Concentration Summary

North
Date TimeNO2O3SO2COPM10PM2.5
2022-10-06 03:004.389.30.7289.324.013.8
2022-10-06 02:005.789.40.9326.022.512.5
2022-10-06 01:007.590.61.0312.119.48.7
2022-10-06 00:006.992.90.9303.617.57.1
2022-10-05 23:007.996.30.8327.518.56.9
2022-10-05 22:008.398.91.0321.714.35.4
2022-10-05 21:0011.496.40.9380.713.76.5
2022-10-05 20:0014.389.30.8339.119.89.4
2022-10-05 19:0028.471.11.0405.720.87.9
2022-10-05 18:0027.969.40.9373.022.86.4
2022-10-05 17:0031.267.61.2348.223.77.3
2022-10-05 16:0023.173.01.3332.325.016.0
2022-10-05 15:0019.683.91.6322.629.722.2
2022-10-05 14:0023.987.61.5349.627.918.9
2022-10-05 13:0023.487.11.3406.225.418.4
2022-10-05 12:0030.275.61.7403.222.321.1
2022-10-05 11:0032.367.11.4445.922.121.5
2022-10-05 10:0055.842.31.4455.928.621.2
2022-10-05 09:0050.147.01.7464.331.422.3
2022-10-05 08:0057.628.41.8523.729.720.3
2022-10-05 07:0041.146.52.0433.125.118.3
2022-10-05 06:0016.768.62.0344.625.718.5
2022-10-05 05:0018.464.01.7417.826.320.4
2022-10-05 04:0029.031.71.7478.026.921.5
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.