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Past 24 Hours Pollutant Concentration Summary

Sha Tin
Date TimeNO2O3SO2COPM10PM2.5
2022-01-23 01:0013.167.43.2-4.82.9
2022-01-23 00:0016.765.43.1-5.43.5
2022-01-22 23:0015.765.93.6-3.02.1
2022-01-22 22:0018.663.23.6-4.33.2
2022-01-22 21:0021.361.93.8-4.64.1
2022-01-22 20:0023.761.04.2-2.21.6
2022-01-22 19:0021.761.24.6-3.02.6
2022-01-22 18:0034.847.05.4-3.7-
2022-01-22 17:0027.853.66.8-4.73.9
2022-01-22 16:0023.754.64.1-1.9-
2022-01-22 15:0013.866.93.9-2.2-
2022-01-22 14:0014.961.93.8-0.6-
2022-01-22 13:0018.752.43.0-2.3-
2022-01-22 12:0026.147.23.4-1.00.6
2022-01-22 11:0029.041.33.7-2.2-
2022-01-22 10:0020.346.93.4-1.8-
2022-01-22 09:0028.835.23.9-1.31.2
2022-01-22 08:0023.838.73.9-2.0-
2022-01-22 07:0016.250.14.3-6.35.2
2022-01-22 06:0014.752.75.3-8.07.0
2022-01-22 05:009.363.54.3-8.47.2
2022-01-22 04:00----7.56.8
2022-01-22 03:007.875.23.4-9.08.4
2022-01-22 02:008.077.63.7-15.012.6
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.