EPD

Back Home

Past 24 Hours Pollutant Concentration Summary

Tung Chung
Date TimeNO2O3SO2COPM10PM2.5
2023-09-26 03:006.758.65.5312.012.87.9
2023-09-26 02:008.762.65.6298.411.86.1
2023-09-26 01:0010.563.95.6330.012.97.7
2023-09-26 00:0012.956.95.7321.910.55.9
2023-09-25 23:0010.355.15.7324.110.15.0
2023-09-25 22:009.154.65.5336.312.16.8
2023-09-25 21:006.562.95.8308.616.710.0
2023-09-25 20:0010.481.35.9363.317.910.0
2023-09-25 19:0013.580.86.0342.216.29.6
2023-09-25 18:004.994.46.4323.013.36.6
2023-09-25 17:0011.482.06.4326.915.68.8
2023-09-25 16:0018.679.26.3324.613.87.4
2023-09-25 15:0010.786.35.8322.313.16.8
2023-09-25 14:0010.086.56.1329.313.97.2
2023-09-25 13:009.484.26.0347.714.07.0
2023-09-25 12:007.777.16.2316.511.49.7
2023-09-25 11:0013.366.36.4322.615.78.8
2023-09-25 10:0016.147.67.1379.313.56.7
2023-09-25 09:0023.427.16.9365.011.75.5
2023-09-25 08:0020.023.15.7321.19.73.4
2023-09-25 07:0012.426.65.5302.49.03.7
2023-09-25 06:0010.727.05.5297.410.34.4
2023-09-25 05:008.634.55.5311.111.34.7
2023-09-25 04:006.039.45.6271.111.95.2
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.