Past 24 Hours Pollutant Concentration Summary

Sha Tin
Date TimeNO2O3SO2COPM10PM2.5
2018-12-18 22:0023.4128.07.8-47.721.1
2018-12-18 21:0080.177.98.3-59.633.3
2018-12-18 20:0086.664.68.5-45.920.3
2018-12-18 19:0040.9123.89.4-46.722.9
2018-12-18 18:0022.5146.29.5-40.819.2
2018-12-18 17:0026.6138.39.0-40.021.4
2018-12-18 16:0025.0138.89.4-32.715.1
2018-12-18 15:0016.8137.68.6-30.315.2
2018-12-18 14:0014.7127.58.3-33.316.0
2018-12-18 13:0026.1128.310.1-40.419.7
2018-12-18 12:0036.0104.29.5-42.320.0
2018-12-18 11:0045.271.810.1-44.525.8
2018-12-18 10:0064.834.69.5-45.030.4
2018-12-18 09:0087.27.38.3-42.129.1
2018-12-18 08:0078.44.36.9-32.920.1
2018-12-18 07:0072.53.46.1-29.218.6
2018-12-18 06:0066.04.05.7-32.622.6
2018-12-18 05:0069.33.75.1-34.425.1
2018-12-18 04:0074.43.86.0-37.025.9
2018-12-18 03:0079.83.26.1-32.921.3
2018-12-18 02:0080.13.75.9-34.921.8
2018-12-18 01:0084.23.46.2-39.224.0
2018-12-18 00:0086.64.47.0-40.223.6
2018-12-17 23:0093.43.56.9-48.431.6
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.

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Last revision date:22:07 18-12-2018