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Past 24 Hours Pollutant Concentration Summary

Tung Chung
Date TimeNO2O3SO2COPM10PM2.5
2023-02-07 18:0070.97.0-485.327.718.3
2023-02-07 17:0071.614.2-487.026.617.4
2023-02-07 16:0065.89.718.1415.327.616.1
2023-02-07 15:0064.922.018.5416.128.217.5
2023-02-07 14:0065.711.918.3427.917.912.8
2023-02-07 13:0053.88.916.6398.517.012.4
2023-02-07 12:0057.87.517.1364.627.718.5
2023-02-07 11:0059.95.716.4442.529.219.8
2023-02-07 10:0059.53.915.3521.919.413.8
2023-02-07 09:0050.6-13.4494.212.510.6
2023-02-07 08:0043.1-12.5390.310.89.8
2023-02-07 07:0040.14.012.7376.06.4-
2023-02-07 06:0028.58.012.1322.64.4-
2023-02-07 05:0021.216.612.1274.73.7-
2023-02-07 04:0019.315.512.4281.84.5-
2023-02-07 03:0024.311.812.1307.17.47.3
2023-02-07 02:0025.814.412.2333.113.011.6
2023-02-07 01:00----13.210.9
2023-02-07 00:0032.722.712.3351.19.38.7
2023-02-06 23:0021.439.712.6288.612.610.6
2023-02-06 22:0031.730.212.9318.720.114.5
2023-02-06 21:0063.26.713.8463.932.221.0
2023-02-06 20:0077.72.314.4533.532.522.7
2023-02-06 19:0067.55.713.9452.435.224.6
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.