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Past 24 Hours Pollutant Concentration Summary

Eastern
Date TimeNO2O3SO2COPM10PM2.5
2023-04-02 18:0035.589.11.0-32.423.7
2023-04-02 17:0031.786.80.7-29.521.5
2023-04-02 16:0030.688.50.7-25.517.9
2023-04-02 15:0031.784.60.7-28.619.3
2023-04-02 14:0028.881.10.8-30.418.7
2023-04-02 13:0027.077.50.6-29.118.4
2023-04-02 12:0032.369.51.0-27.115.6
2023-04-02 11:0029.575.00.8-22.813.8
2023-04-02 10:0032.169.90.6-21.515.1
2023-04-02 09:0032.564.50.5-27.515.4
2023-04-02 08:0023.176.20.8-21.812.5
2023-04-02 07:0021.081.30.8-18.011.6
2023-04-02 06:0016.889.41.0-23.116.1
2023-04-02 05:0015.294.60.8-22.314.2
2023-04-02 04:0015.891.10.8-22.713.2
2023-04-02 03:0018.287.40.8-22.414.4
2023-04-02 02:0022.286.80.7-14.99.9
2023-04-02 01:0030.780.10.6-16.313.4
2023-04-02 00:0033.178.30.5-23.416.7
2023-04-01 23:0035.678.30.6-27.317.8
2023-04-01 22:0033.488.20.9-31.725.2
2023-04-01 21:0036.688.81.2-38.530.8
2023-04-01 20:0048.583.61.3-38.329.5
2023-04-01 19:0044.088.70.7-36.528.2
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.