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Past 24 Hours Pollutant Concentration Summary

Central/Western
Date TimeNO2O3SO2COPM10PM2.5
2022-11-29 14:0030.243.44.7-13.08.0
2022-11-29 13:0037.836.04.6-13.47.2
2022-11-29 12:0035.634.34.8-15.39.0
2022-11-29 11:0036.729.94.1-14.38.2
2022-11-29 10:0039.922.94.6-14.48.3
2022-11-29 09:0039.721.34.7-13.88.2
2022-11-29 08:0034.422.54.0-14.28.2
2022-11-29 07:0021.232.04.2-13.07.2
2022-11-29 06:0018.031.14.8-15.29.2
2022-11-29 05:0015.934.14.4-15.610.3
2022-11-29 04:0018.931.34.6-14.410.0
2022-11-29 03:0020.231.84.9-17.613.4
2022-11-29 02:00-28.2--16.712.6
2022-11-29 01:0039.517.74.8-12.39.0
2022-11-29 00:0031.722.34.5-11.98.2
2022-11-28 23:0024.330.24.7-5.93.6
2022-11-28 22:008.048.04.4-4.12.3
2022-11-28 21:0012.343.24.4-6.03.7
2022-11-28 20:0014.642.34.2-6.73.8
2022-11-28 19:0011.347.84.4-4.52.0
2022-11-28 18:0015.740.04.8-7.03.7
2022-11-28 17:0021.436.04.7-8.65.2
2022-11-28 16:0022.137.84.5-10.05.1
2022-11-28 15:0018.442.84.7-9.14.8
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.