Central
Date TimeNO2O3SO2COPM10PM2.5
2023-09-27 21:0068.017.04.3683.865.255.1
2023-09-27 20:0074.113.34.7757.741.033.3
2023-09-27 19:0072.718.34.8599.332.424.8
2023-09-27 18:0078.033.44.8481.228.119.5
2023-09-27 17:0085.139.44.1379.628.118.8
2023-09-27 16:0077.839.54.3387.026.417.3
2023-09-27 15:0072.632.84.4390.125.117.4
2023-09-27 14:0054.240.44.0355.326.620.0
2023-09-27 13:0049.655.34.1369.923.416.7
2023-09-27 12:0055.056.64.3347.320.813.6
2023-09-27 11:0057.644.63.8362.722.313.4
2023-09-27 10:0061.335.74.0352.224.814.3
2023-09-27 09:0065.723.43.6320.719.710.3
2023-09-27 08:0043.731.43.3256.218.19.8
2023-09-27 07:0028.9-2.9207.815.57.5
2023-09-27 06:0012.552.9-185.217.710.0
2023-09-27 05:0013.157.42.7182.418.810.7
2023-09-27 04:008.466.32.9177.221.312.9
2023-09-27 03:00-70.9--22.613.6
2023-09-27 02:0019.061.02.1208.821.312.6
2023-09-27 01:00-57.93.2222.024.114.6
2023-09-27 00:0032.955.03.0258.226.617.4
2023-09-26 23:0043.947.12.4272.726.016.8
2023-09-26 22:0050.348.52.4430.330.420.7
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.

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Last revision date: 21:07 27-09-2023