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Past 24 Hours Pollutant Concentration Summary

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Central/WesternSouthernEasternKwun TongSham Shui PoKwai ChungTsuen WanTseung Kwan OYuen LongTuen MunTung ChungTai PoSha TinNorthTap Mun
Roadside Stations
Causeway BayCentralMong Kok
Sha Tin
Date TimeNO2O3SO2COPM10PM2.5
2023-05-30 01:0062.031.25.4-31.118.3
2023-05-30 00:0098.611.413.7-32.018.2
2023-05-29 23:00107.74.48.8-30.515.9
2023-05-29 22:0087.721.86.5-31.216.5
2023-05-29 21:0065.343.25.1-30.215.3
2023-05-29 20:0073.141.96.5-27.813.7
2023-05-29 19:0070.450.56.8-30.814.9
2023-05-29 18:0074.169.67.9-38.818.3
2023-05-29 17:0057.4112.95.8-35.818.3
2023-05-29 16:0050.3103.55.6-31.415.2
2023-05-29 15:0044.988.66.2-35.016.3
2023-05-29 14:0045.084.56.1-32.615.2
2023-05-29 13:0048.576.46.9-30.915.0
2023-05-29 12:00----30.213.5
2023-05-29 11:00----28.613.9
2023-05-29 10:0039.453.03.3-25.812.3
2023-05-29 09:0035.747.62.9-23.712.4
2023-05-29 08:0036.928.62.9-19.19.4
2023-05-29 07:0040.312.62.1-17.69.5
2023-05-29 06:0033.316.71.9-17.19.3
2023-05-29 05:0031.920.92.2-17.18.9
2023-05-29 04:00----16.38.7
2023-05-29 03:0032.920.42.2-15.77.9
2023-05-29 02:0034.221.72.3-15.66.5
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： 01:07 30-05-2023