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Past 24 Hours Pollutant Concentration Summary

Tai Po
Date TimeNO2O3SO2COPM10PM2.5
2024-04-20 17:0018.941.92.8-21.715.3
2024-04-20 16:0014.751.92.9-25.018.0
2024-04-20 15:0013.753.32.9-21.314.3
2024-04-20 14:0010.459.23.2-22.415.8
2024-04-20 13:0013.059.73.2-22.515.9
2024-04-20 12:0014.358.43.3-21.714.3
2024-04-20 11:0015.154.23.0-22.614.6
2024-04-20 10:0015.650.72.9-18.012.2
2024-04-20 09:0026.439.82.9-17.912.1
2024-04-20 08:0025.636.42.9-20.314.8
2024-04-20 07:0023.335.72.8-15.510.4
2024-04-20 06:0012.643.92.8-14.08.7
2024-04-20 05:007.148.72.9-15.310.5
2024-04-20 04:008.249.33.0-15.610.4
2024-04-20 03:00-49.1--17.011.8
2024-04-20 02:0010.647.92.6-16.110.7
2024-04-20 01:0013.245.32.7-19.113.7
2024-04-20 00:0019.939.12.6-18.813.7
2024-04-19 23:0022.037.62.7-18.913.4
2024-04-19 22:0030.631.02.9-20.314.0
2024-04-19 21:0029.433.02.6-16.810.3
2024-04-19 20:0035.230.32.8-14.28.0
2024-04-19 19:0045.525.13.1-19.913.1
2024-04-19 18:0035.237.23.0-16.49.7
Remarks:

(1) Time shown is in Hong Kong time.

(2) Concentration shown is in microgram per cubic metre (µg/m3).

(3) Abbreviation:
NO2 - nitrogen dioxide, O3 - ozone,
SO2 - sulphur dioxide, CO - carbon monoxide,
PM10 - respirable suspended particulates,
PM2.5 - fine suspended particulates

(4) The pollutant concentration is based on real time data taken directly from EPD's Air Quality Monitoring Network.