Past 24 Hours Pollutant Concentration Summary
Yuen Long
Date Time | NO2 | O3 | SO2 | CO | PM10 | PM2.5 |
---|---|---|---|---|---|---|
2024-03-28 22:00 | 94.2 | 10.3 | 3.2 | 1,019.7 | 42.6 | 22.3 |
2024-03-28 21:00 | 84.5 | 24.0 | 3.0 | 971.2 | 36.3 | 18.6 |
2024-03-28 20:00 | 85.5 | 31.8 | 4.0 | 920.7 | 38.0 | 19.3 |
2024-03-28 19:00 | 65.8 | 56.1 | 4.0 | 885.3 | 31.7 | 14.1 |
2024-03-28 18:00 | 43.2 | 83.7 | 3.7 | 870.6 | 33.0 | 15.7 |
2024-03-28 17:00 | 37.2 | 86.1 | 2.7 | 767.8 | 33.6 | 14.7 |
2024-03-28 16:00 | 62.6 | 52.8 | 3.7 | 833.6 | 33.1 | 15.5 |
2024-03-28 15:00 | 61.8 | 45.3 | 3.9 | 885.2 | 38.7 | 19.9 |
2024-03-28 14:00 | 60.0 | 49.8 | 3.4 | 840.0 | 38.2 | 17.9 |
2024-03-28 13:00 | 51.2 | 58.9 | 2.2 | 886.0 | 36.8 | 18.2 |
2024-03-28 12:00 | 51.5 | 52.6 | 3.2 | 867.5 | 40.7 | 21.3 |
2024-03-28 11:00 | 45.5 | 56.6 | 2.3 | 866.3 | 37.5 | 19.0 |
2024-03-28 10:00 | 38.0 | 59.6 | 1.9 | 833.7 | 33.1 | 17.1 |
2024-03-28 09:00 | 49.9 | 48.6 | 1.6 | 869.3 | 30.1 | 13.7 |
2024-03-28 08:00 | 37.9 | 55.6 | 1.8 | 839.5 | 28.1 | 13.5 |
2024-03-28 07:00 | 22.2 | 68.1 | 1.5 | 796.5 | 23.3 | 12.1 |
2024-03-28 06:00 | 15.8 | 74.9 | 1.5 | 800.0 | 20.6 | 10.2 |
2024-03-28 05:00 | 17.6 | 81.2 | 1.7 | 795.0 | 20.2 | 10.1 |
2024-03-28 04:00 | 11.3 | 88.7 | 1.5 | 784.1 | 19.8 | 11.9 |
2024-03-28 03:00 | 9.4 | 94.9 | 2.1 | 775.4 | 15.5 | 9.7 |
2024-03-28 02:00 | 9.4 | 99.1 | 1.4 | 778.1 | 18.0 | 12.0 |
2024-03-28 01:00 | 13.6 | 101.3 | 1.5 | 770.8 | 18.9 | 11.7 |
2024-03-28 00:00 | 23.9 | 94.9 | 2.1 | 798.0 | 22.2 | 14.1 |
2024-03-27 23:00 | 25.7 | 95.0 | 2.0 | 804.0 | 22.2 | 13.9 |
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.