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Past 24 Hours Pollutant Concentration Summary

North
Date TimeNO2O3SO2COPM10PM2.5
2022-06-29 10:0022.221.95.8290.06.92.5
2022-06-29 09:0024.014.16.2271.97.94.9
2022-06-29 08:0027.310.05.5352.88.55.5
2022-06-29 07:0028.28.05.5327.510.16.2
2022-06-29 06:0025.26.45.4251.711.56.3
2022-06-29 05:0019.411.94.9266.89.74.7
2022-06-29 04:0017.915.55.0271.08.23.3
2022-06-29 03:0021.517.34.9294.35.72.9
2022-06-29 02:0022.225.54.8273.06.95.3
2022-06-29 01:0023.926.94.7265.98.46.6
2022-06-29 00:0022.334.06.1268.56.64.5
2022-06-28 23:0024.233.46.7339.46.33.8
2022-06-28 22:0023.537.86.3261.49.06.0
2022-06-28 21:0031.242.46.7293.611.77.8
2022-06-28 20:0043.449.97.0314.812.16.8
2022-06-28 19:0050.852.87.5324.511.87.8
2022-06-28 18:0054.754.37.8294.511.76.0
2022-06-28 17:0042.674.47.3295.512.96.0
2022-06-28 16:0031.593.86.9271.515.09.9
2022-06-28 15:0028.396.56.8272.212.26.6
2022-06-28 14:0020.185.16.7224.311.06.0
2022-06-28 13:0019.171.26.5204.210.56.9
2022-06-28 12:0022.247.16.9224.89.58.1
2022-06-28 11:0030.731.07.0225.87.65.5
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.