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Past 24 Hours Pollutant Concentration Summary

North
Date TimeNO2O3SO2COPM10PM2.5
2024-04-17 09:0017.436.00.6236.822.121.3
2024-04-17 08:0036.49.92.2464.617.5-
2024-04-17 07:0038.66.81.3425.916.816.2
2024-04-17 06:0032.910.60.5330.717.117.0
2024-04-17 05:0031.211.50.4350.815.1-
2024-04-17 04:0017.223.20.5292.714.9-
2024-04-17 03:0016.922.20.5242.616.815.4
2024-04-17 02:0025.118.40.2267.017.417.1
2024-04-17 01:0029.514.50.4331.516.3-
2024-04-17 00:0031.017.31.4311.618.2-
2024-04-16 23:0031.316.01.4331.214.6-
2024-04-16 22:0022.529.31.1290.317.0-
2024-04-16 21:0017.537.31.2232.319.416.7
2024-04-16 20:0022.636.41.5247.217.3-
2024-04-16 19:0028.443.61.8234.623.120.4
2024-04-16 18:0032.350.51.9236.326.817.6
2024-04-16 17:0027.361.92.2229.822.815.3
2024-04-16 16:0022.270.72.5215.317.811.6
2024-04-16 15:0015.970.81.6204.019.411.7
2024-04-16 14:0012.670.51.5204.226.817.6
2024-04-16 13:009.363.41.4191.923.619.1
2024-04-16 12:0011.756.61.5186.119.917.6
2024-04-16 11:0015.953.81.4212.922.316.7
2024-04-16 10:0018.443.01.8224.828.026.5
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.