EPD

Back Home

Past 24 Hours Pollutant Concentration Summary

Eastern
Date TimeNO2O3SO2COPM10PM2.5
2022-06-29 10:0026.825.70.7-7.91.8
2022-06-29 09:0025.623.80.5-8.31.7
2022-06-29 08:0024.720.20.6-6.33.3
2022-06-29 07:0023.722.30.6-7.16.0
2022-06-29 06:0017.628.80.7-9.25.0
2022-06-29 05:0014.836.40.9-8.61.8
2022-06-29 04:0014.040.41.2-6.0-
2022-06-29 03:0018.639.81.0-3.71.1
2022-06-29 02:0021.140.91.2-4.3-
2022-06-29 01:0030.332.01.0-7.1-
2022-06-29 00:0037.225.40.8-10.09.6
2022-06-28 23:0031.930.61.3-10.24.3
2022-06-28 22:0029.135.41.5-5.7-
2022-06-28 21:0035.131.71.3-4.31.1
2022-06-28 20:0036.135.90.9-5.04.4
2022-06-28 19:0031.354.91.0-6.43.9
2022-06-28 18:0045.247.71.2-2.70.8
2022-06-28 17:0041.853.11.4-2.1-
2022-06-28 16:0039.842.51.5-8.51.7
2022-06-28 15:0043.336.81.8-10.97.1
2022-06-28 14:00----32.317.6
2022-06-28 13:00------
2022-06-28 12:00------
2022-06-28 11:0026.839.71.3-11.75.7
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.