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Past 24 Hours Pollutant Concentration Summary

Kwai Chung
Date TimeNO2O3SO2COPM10PM2.5
2024-03-29 19:00107.060.25.4-62.536.8
2024-03-29 18:0085.796.94.2-59.734.3
2024-03-29 17:0083.8102.84.8-59.734.0
2024-03-29 16:0076.0111.15.6-56.932.3
2024-03-29 15:0097.265.110.1-52.032.7
2024-03-29 14:0093.169.311.2-48.429.7
2024-03-29 13:00101.227.111.7-55.632.5
2024-03-29 12:00104.45.913.1-58.534.4
2024-03-29 11:00100.63.117.7-49.126.9
2024-03-29 10:0090.62.612.3-54.531.8
2024-03-29 09:0084.81.29.2-41.523.3
2024-03-29 08:0070.51.44.0-33.217.6
2024-03-29 07:0076.01.05.6-35.117.6
2024-03-29 06:0078.60.17.5-42.024.9
2024-03-29 05:0082.20.011.0-41.823.9
2024-03-29 04:0082.90.07.7-41.924.7
2024-03-29 03:0084.90.06.4-41.724.2
2024-03-29 02:0077.35.13.3-32.116.2
2024-03-29 01:0076.211.34.5-35.118.7
2024-03-29 00:0092.66.86.6-40.522.4
2024-03-28 23:0086.418.75.7-39.821.7
2024-03-28 22:00100.611.67.8-42.322.8
2024-03-28 21:00119.32.111.1-42.423.2
2024-03-28 20:00130.10.316.8-44.724.4
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.