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Past 24 Hours Pollutant Concentration Summary

Central
Date TimeNO2O3SO2COPM10PM2.5
2023-01-30 06:0056.625.80.8727.429.522.0
2023-01-30 05:0060.823.41.0576.031.223.5
2023-01-30 04:0055.031.90.9555.638.928.5
2023-01-30 03:00-26.5--32.525.1
2023-01-30 02:0073.922.81.6602.830.823.5
2023-01-30 01:0076.024.92.2626.932.120.9
2023-01-30 00:00102.511.54.0675.938.426.2
2023-01-29 23:00105.47.24.1846.345.130.4
2023-01-29 22:00118.35.07.2963.048.930.7
2023-01-29 21:00124.07.97.9896.350.332.4
2023-01-29 20:00115.911.04.5980.746.129.9
2023-01-29 19:00104.121.24.5810.348.428.7
2023-01-29 18:00119.618.57.0728.246.425.7
2023-01-29 17:00104.330.15.6648.446.727.3
2023-01-29 16:0094.338.24.6690.847.427.2
2023-01-29 15:0088.140.03.6690.150.629.4
2023-01-29 14:0088.633.04.3646.745.825.2
2023-01-29 13:0085.131.93.7629.444.724.5
2023-01-29 12:0083.629.43.6650.749.028.9
2023-01-29 11:0082.427.73.5684.647.926.7
2023-01-29 10:0078.827.33.3623.650.727.6
2023-01-29 09:0094.314.14.3615.653.129.8
2023-01-29 08:0077.131.43.0563.749.026.2
2023-01-29 07:0048.353.62.1504.850.127.3
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.