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Past 24 Hours Pollutant Concentration Summary

Kwai Chung
Date TimeNO2O3SO2COPM10PM2.5
2022-01-24 20:0045.242.25.9-29.126.4
2022-01-24 19:0047.947.26.0-27.624.7
2022-01-24 18:0050.049.36.4-21.018.5
2022-01-24 17:0039.246.56.3-16.915.3
2022-01-24 16:0040.445.96.4-18.015.9
2022-01-24 15:0043.348.06.9-20.817.0
2022-01-24 14:0049.637.87.4-14.912.7
2022-01-24 13:0036.438.58.0-14.511.8
2022-01-24 12:0055.921.29.2-18.415.0
2022-01-24 11:0057.114.09.2-25.122.2
2022-01-24 10:0059.43.38.4-26.124.2
2022-01-24 09:0054.53.27.6-22.620.6
2022-01-24 08:0052.22.58.4-25.121.4
2022-01-24 07:0056.20.09.8-24.620.3
2022-01-24 06:0054.70.09.6-20.916.9
2022-01-24 05:0053.80.09.7-19.215.6
2022-01-24 04:00----23.818.8
2022-01-24 03:0077.30.116.0-26.720.1
2022-01-24 02:0072.90.013.9-26.720.8
2022-01-24 01:0081.90.416.4-29.022.7
2022-01-24 00:0083.10.516.1-23.317.6
2022-01-23 23:0079.20.412.5-20.114.4
2022-01-23 22:0087.40.013.9-26.618.4
2022-01-23 21:0095.60.114.8-27.818.8
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.