Kwai Chung
Date TimeNO2O3SO2COPM10PM2.5
2021-11-30 01:0079.614.06.0-32.822.5
2021-11-30 00:00100.97.57.1-36.725.3
2021-11-29 23:00121.01.28.3-41.628.2
2021-11-29 22:00129.71.49.2-44.930.7
2021-11-29 21:00140.41.58.5-43.328.1
2021-11-29 20:00149.40.811.1-39.325.8
2021-11-29 19:00149.80.116.6-36.423.5
2021-11-29 18:00145.91.917.7-36.221.9
2021-11-29 17:00136.615.713.8-41.623.1
2021-11-29 16:00137.742.810.1-36.922.6
2021-11-29 15:00112.644.210.4-27.117.0
2021-11-29 14:0051.288.45.7-22.915.2
2021-11-29 13:0044.478.26.0-23.216.1
2021-11-29 12:0054.553.66.6-28.219.9
2021-11-29 11:0040.457.37.9-26.618.7
2021-11-29 10:0077.124.99.7-30.619.8
2021-11-29 09:0071.324.38.6-30.922.8
2021-11-29 08:0079.616.08.4-28.221.2
2021-11-29 07:0061.130.07.6-29.222.3
2021-11-29 06:0031.753.48.0-30.522.2
2021-11-29 05:0020.668.67.8-32.322.8
2021-11-29 04:00----30.420.5
2021-11-29 03:0028.163.06.7-31.621.0
2021-11-29 02:0027.567.56.8-31.720.1
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.

Last revision date: 01:07 30-11-2021