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Past 24 Hours Pollutant Concentration Summary

Kwai Chung
Date TimeNO2O3SO2COPM10PM2.5
2022-10-06 01:009.679.50.9-18.17.6
2022-10-06 00:0010.280.60.9-17.78.4
2022-10-05 23:0024.772.61.0-17.88.5
2022-10-05 22:0018.877.31.0-18.58.1
2022-10-05 21:0032.866.41.5-19.79.2
2022-10-05 20:0055.944.72.1-16.66.3
2022-10-05 19:0045.555.21.6-15.06.1
2022-10-05 18:0039.657.61.5---
2022-10-05 17:0033.955.91.4---
2022-10-05 16:0031.363.41.5---
2022-10-05 15:0031.661.92.1-23.115.0
2022-10-05 14:0024.079.21.7-20.014.5
2022-10-05 13:0029.071.51.9-20.915.9
2022-10-05 12:0023.376.32.0-22.716.4
2022-10-05 11:0032.163.21.9-25.919.8
2022-10-05 10:0043.149.52.0-30.324.4
2022-10-05 09:0056.637.02.8-30.422.7
2022-10-05 08:0042.436.52.2-27.219.5
2022-10-05 07:0014.260.82.1-27.620.4
2022-10-05 06:00----28.522.1
2022-10-05 05:0013.762.21.6-28.321.7
2022-10-05 04:0023.349.91.8-30.423.0
2022-10-05 03:0029.535.61.8-33.826.5
2022-10-05 02:0040.733.12.5-35.527.2
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.