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Past 24 Hours Pollutant Concentration Summary

Tap Mun
Date TimeNO2O3SO2COPM10PM2.5
2023-06-09 22:001.928.24.1402.311.22.7
2023-06-09 21:001.623.94.3418.810.14.1
2023-06-09 20:003.831.24.6393.28.24.0
2023-06-09 19:004.148.34.8411.63.41.1
2023-06-09 18:001.854.54.7400.56.44.2
2023-06-09 17:002.168.04.9391.07.74.5
2023-06-09 16:002.074.74.6381.26.93.0
2023-06-09 15:003.372.74.8388.36.42.8
2023-06-09 14:005.064.14.0377.73.92.1
2023-06-09 13:007.849.24.0425.76.74.4
2023-06-09 12:0011.745.44.2410.68.44.9
2023-06-09 11:0013.744.24.4405.73.81.6
2023-06-09 10:007.242.93.9388.74.62.5
2023-06-09 09:0017.030.54.0385.04.01.0
2023-06-09 08:003.939.64.0389.86.91.1
2023-06-09 07:001.233.44.2391.26.30.2
2023-06-09 06:001.127.14.6403.410.50.9
2023-06-09 05:001.631.14.4406.611.02.3
2023-06-09 04:001.226.14.2411.47.10.6
2023-06-09 03:001.938.14.7391.27.93.7
2023-06-09 02:003.138.44.2388.85.12.0
2023-06-09 01:001.739.84.1378.64.41.6
2023-06-09 00:005.540.04.1403.73.81.4
2023-06-08 23:003.349.43.9382.83.61.1
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.