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Past 24 Hours Pollutant Concentration Summary

Kwai Chung
Date TimeNO2O3SO2COPM10PM2.5
2022-06-29 10:0026.518.810.0-8.34.9
2022-06-29 09:0029.114.010.2-7.13.9
2022-06-29 08:0032.111.110.1-4.72.1
2022-06-29 07:0015.218.99.2-5.83.9
2022-06-29 06:008.929.19.5-6.24.3
2022-06-29 05:009.831.99.3-3.62.1
2022-06-29 04:00----4.93.6
2022-06-29 03:0010.836.79.4-6.96.2
2022-06-29 02:0017.136.19.9-6.05.6
2022-06-29 01:0021.6-10.0-6.04.8
2022-06-29 00:0033.217.510.5-4.23.4
2022-06-28 23:0040.519.611.0-5.44.4
2022-06-28 22:0059.09.916.9-10.67.8
2022-06-28 21:0076.45.219.2-14.09.2
2022-06-28 20:0069.38.116.2-8.95.6
2022-06-28 19:0063.89.016.8-10.46.6
2022-06-28 18:0068.010.315.7-10.86.5
2022-06-28 17:0073.517.214.9-9.36.7
2022-06-28 16:0058.421.717.3-9.96.6
2022-06-28 15:0047.923.113.9-11.28.3
2022-06-28 14:0047.125.312.9-11.28.4
2022-06-28 13:0055.318.415.9-12.67.2
2022-06-28 12:0055.418.115.4-13.78.4
2022-06-28 11:0050.115.715.6-9.76.4
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.