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Past 24 Hours Pollutant Concentration Summary

Southern
Date TimeNO2O3SO2COPM10PM2.5
2024-03-29 22:0079.030.14.8682.835.94.4
2024-03-29 21:0083.748.74.8700.833.116.4
2024-03-29 20:0062.072.05.3698.542.719.5
2024-03-29 19:0033.8107.34.9748.754.625.0
2024-03-29 18:0034.8123.93.9759.960.925.6
2024-03-29 17:0029.3160.73.0736.555.012.9
2024-03-29 16:0023.4175.13.7714.541.19.3
2024-03-29 15:0032.3145.64.6711.429.912.5
2024-03-29 14:0049.185.33.5746.216.112.4
2024-03-29 13:0051.167.95.8713.126.217.6
2024-03-29 12:0073.834.27.6827.040.317.2
2024-03-29 11:0070.534.95.3748.546.318.9
2024-03-29 10:0061.231.15.7711.743.818.4
2024-03-29 09:0070.823.35.0795.335.015.7
2024-03-29 08:0045.627.43.2703.035.416.4
2024-03-29 07:0044.826.63.2662.537.515.4
2024-03-29 06:0042.921.93.6661.326.812.1
2024-03-29 05:0031.441.32.8603.79.85.8
2024-03-29 04:0020.020.32.1601.917.47.6
2024-03-29 03:0022.424.32.2589.722.59.4
2024-03-29 02:0029.834.02.5594.528.110.0
2024-03-29 01:0041.822.63.7609.430.615.1
2024-03-29 00:0035.528.92.8621.726.115.9
2024-03-28 23:0023.446.02.5626.130.813.2
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.