EPD

Back Home

Past 24 Hours Pollutant Concentration Summary

Tseung Kwan O
Date TimeNO2O3SO2COPM10PM2.5
2023-06-09 23:0036.520.14.8210.511.58.4
2023-06-09 22:0035.024.44.4241.610.78.3
2023-06-09 21:0030.529.14.3243.87.15.5
2023-06-09 20:0027.732.54.3236.99.07.7
2023-06-09 19:0025.039.34.3182.510.97.0
2023-06-09 18:0023.743.63.9168.69.44.9
2023-06-09 17:0018.650.14.3139.09.06.2
2023-06-09 16:0018.358.44.1120.810.26.4
2023-06-09 15:0021.653.14.3141.212.57.5
2023-06-09 14:0011.863.54.1117.49.05.9
2023-06-09 13:0020.249.24.0145.95.0-
2023-06-09 12:0022.142.94.1154.06.5-
2023-06-09 11:0028.436.44.2171.78.87.4
2023-06-09 10:0019.543.34.1151.810.05.1
2023-06-09 09:0012.938.43.9149.612.77.4
2023-06-09 08:0018.229.04.0185.89.25.7
2023-06-09 07:0024.721.04.1219.79.72.9
2023-06-09 06:0018.721.93.7165.59.12.7
2023-06-09 05:0018.521.24.0179.06.45.3
2023-06-09 04:0011.330.73.6121.99.59.0
2023-06-09 03:0012.234.93.7113.514.47.9
2023-06-09 02:0020.928.04.0125.811.78.4
2023-06-09 01:0014.034.64.0106.76.35.5
2023-06-09 00:0010.936.23.9105.43.11.9
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.