EPD

Back Home

Past 24 Hours Pollutant Concentration Summary

North
Date TimeNO2O3SO2COPM10PM2.5
2022-05-26 08:0037.122.74.3678.114.17.8
2022-05-26 07:0039.617.34.2654.59.95.3
2022-05-26 06:0023.726.64.1521.46.23.8
2022-05-26 05:0019.932.53.9675.26.94.6
2022-05-26 04:0022.133.14.0640.39.75.0
2022-05-26 03:0021.136.34.3653.69.85.5
2022-05-26 02:0020.739.74.2679.48.35.6
2022-05-26 01:0020.646.44.4495.73.4-
2022-05-26 00:0022.747.54.0684.72.3-
2022-05-25 23:0020.453.33.9583.76.04.9
2022-05-25 22:0023.055.93.8558.88.85.8
2022-05-25 21:0020.462.23.7543.710.36.1
2022-05-25 20:0022.560.54.1502.29.04.6
2022-05-25 19:0027.257.03.8515.710.16.6
2022-05-25 18:0024.957.73.9510.111.29.0
2022-05-25 17:0023.261.23.9511.610.25.7
2022-05-25 16:0029.063.04.2549.38.40.4
2022-05-25 15:0033.863.24.3621.59.31.9
2022-05-25 14:0035.951.54.2602.411.15.9
2022-05-25 13:0026.261.14.1566.77.72.0
2022-05-25 12:0031.352.54.3569.91.5-
2022-05-25 11:0029.643.03.9684.82.0-
2022-05-25 10:0026.840.34.0629.86.35.6
2022-05-25 09:0038.729.74.2673.45.05.0
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.