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Past 24 Hours Pollutant Concentration Summary

Central
Date TimeNO2O3SO2COPM10PM2.5
2024-04-16 12:0048.725.13.5245.621.915.8
2024-04-16 11:0062.711.94.1393.122.216.4
2024-04-16 10:0063.39.75.6355.120.214.6
2024-04-16 09:0053.713.43.6255.018.213.7
2024-04-16 08:0041.416.32.5199.417.315.0
2024-04-16 07:0033.617.52.5165.423.821.1
2024-04-16 06:0046.84.33.2197.534.930.1
2024-04-16 05:0049.13.53.1225.840.334.0
2024-04-16 04:0055.31.93.7245.735.031.0
2024-04-16 03:00-5.9--47.041.0
2024-04-16 02:0060.81.55.0315.148.941.2
2024-04-16 01:0063.82.06.4434.149.842.2
2024-04-16 00:0067.51.95.6504.642.938.0
2024-04-15 23:0060.94.74.1403.238.835.7
2024-04-15 22:0047.116.13.4421.440.537.2
2024-04-15 21:0047.718.33.1411.641.937.4
2024-04-15 20:0063.66.94.9598.238.933.6
2024-04-15 19:0066.75.74.8419.526.321.6
2024-04-15 18:0053.518.42.9358.427.920.5
2024-04-15 17:0057.416.73.7394.027.315.9
2024-04-15 16:0057.215.93.3305.119.414.4
2024-04-15 15:0051.922.73.2291.623.718.1
2024-04-15 14:0066.913.73.7543.923.918.2
2024-04-15 13:0053.321.03.3508.226.119.8
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.