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Past 24 Hours Pollutant Concentration Summary

Southern
Date TimeNO2O3SO2COPM10PM2.5
2022-06-29 12:0018.536.12.3253.613.13.3
2022-06-29 11:0018.030.42.4260.213.36.0
2022-06-29 10:0016.026.42.2273.511.63.9
2022-06-29 09:0015.822.02.1273.08.10.1
2022-06-29 08:0016.916.12.1312.59.03.0
2022-06-29 07:0015.014.22.0280.313.710.7
2022-06-29 06:007.815.71.7238.313.813.4
2022-06-29 05:005.123.11.6225.511.37.4
2022-06-29 04:004.126.71.6213.64.9-
2022-06-29 03:005.137.91.6194.03.8-
2022-06-29 02:006.033.71.8185.65.80.6
2022-06-29 01:008.229.41.8197.98.71.6
2022-06-29 00:008.530.61.8204.915.58.0
2022-06-28 23:008.631.71.4222.516.611.7
2022-06-28 22:0010.432.61.7231.811.86.5
2022-06-28 21:0015.434.82.1268.94.71.6
2022-06-28 20:0018.254.92.4284.26.25.0
2022-06-28 19:0015.374.42.7276.99.16.3
2022-06-28 18:0026.356.44.4311.27.14.1
2022-06-28 17:0021.741.33.5402.77.10.5
2022-06-28 16:0024.233.14.6406.96.6-
2022-06-28 15:0020.549.73.3412.88.3-
2022-06-28 14:0021.951.92.4436.29.51.3
2022-06-28 13:00-53.5--7.72.4
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.