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Past 24 Hours Pollutant Concentration Summary

Yuen Long
Date TimeNO2O3SO2COPM10PM2.5
2022-11-27 12:0025.179.73.0436.514.58.6
2022-11-27 11:0029.570.33.0488.211.27.2
2022-11-27 10:0038.557.73.0545.59.56.8
2022-11-27 09:0037.852.73.2506.09.07.5
2022-11-27 08:0032.956.63.0542.911.27.9
2022-11-27 07:0028.158.43.1502.111.98.8
2022-11-27 06:0024.759.63.2471.610.86.3
2022-11-27 05:0021.066.83.3451.910.25.9
2022-11-27 04:0024.261.13.7433.911.48.0
2022-11-27 03:0021.565.63.7440.611.48.0
2022-11-27 02:0028.750.64.2489.19.77.4
2022-11-27 01:00----8.06.0
2022-11-27 00:0040.831.83.3494.76.13.9
2022-11-26 23:0042.224.33.3497.97.05.0
2022-11-26 22:0037.830.83.2546.311.68.7
2022-11-26 21:0055.320.33.2614.714.011.0
2022-11-26 20:0050.828.43.0616.013.611.0
2022-11-26 19:0057.527.83.1548.110.88.1
2022-11-26 18:0055.736.23.3528.810.38.0
2022-11-26 17:0049.444.63.1468.79.16.8
2022-11-26 16:0051.336.13.2474.012.58.8
2022-11-26 15:0051.630.53.3454.715.110.6
2022-11-26 14:0046.039.63.1434.514.610.6
2022-11-26 13:0041.939.63.1471.810.66.9
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.