Past 24 Hours Pollutant Concentration Summary
Yuen Long
Date Time | NO2 | O3 | SO2 | CO | PM10 | PM2.5 |
---|---|---|---|---|---|---|
2024-03-19 16:00 | 61.4 | 84.0 | 2.3 | 900.3 | 27.6 | 15.5 |
2024-03-19 15:00 | 54.1 | 101.4 | 2.6 | 911.1 | 28.2 | 17.3 |
2024-03-19 14:00 | 48.8 | 101.0 | 2.2 | 958.1 | 21.5 | 13.6 |
2024-03-19 13:00 | 27.7 | 101.7 | 1.5 | 936.3 | 17.5 | 10.8 |
2024-03-19 12:00 | 32.0 | 54.4 | 1.9 | 979.8 | 10.2 | 6.1 |
2024-03-19 11:00 | 29.2 | 33.7 | 1.5 | 977.9 | 5.5 | 4.2 |
2024-03-19 10:00 | 32.6 | 26.2 | 1.4 | 972.4 | 4.0 | 3.0 |
2024-03-19 09:00 | 28.0 | 27.4 | 1.0 | 1,012.2 | 2.6 | 1.3 |
2024-03-19 08:00 | 29.9 | 20.0 | 1.5 | 989.3 | 10.8 | 9.1 |
2024-03-19 07:00 | 31.2 | 38.4 | 1.5 | 756.0 | 23.5 | 16.0 |
2024-03-19 06:00 | 13.0 | 65.6 | 1.6 | 683.9 | 31.1 | 19.1 |
2024-03-19 05:00 | 14.3 | 64.8 | 1.4 | 679.6 | 31.3 | 18.0 |
2024-03-19 04:00 | 13.8 | 64.1 | 1.3 | 698.6 | 33.3 | 18.1 |
2024-03-19 03:00 | 16.4 | 61.5 | 1.3 | 678.9 | 28.9 | 16.6 |
2024-03-19 02:00 | 17.3 | 64.2 | 1.0 | 683.8 | 27.9 | 18.3 |
2024-03-19 01:00 | - | - | - | - | 24.5 | 16.0 |
2024-03-19 00:00 | 16.1 | 71.5 | 1.0 | 715.9 | 20.0 | 14.5 |
2024-03-18 23:00 | 26.2 | 68.9 | 1.4 | 749.9 | 17.2 | 14.0 |
2024-03-18 22:00 | 34.2 | 60.1 | 1.7 | 787.1 | 19.6 | 16.0 |
2024-03-18 21:00 | 39.2 | 57.0 | 1.4 | 854.2 | 23.0 | 18.1 |
2024-03-18 20:00 | 44.0 | 56.1 | 1.5 | 838.3 | 25.2 | 18.0 |
2024-03-18 19:00 | 45.1 | 57.4 | 1.5 | 833.4 | 25.2 | 17.2 |
2024-03-18 18:00 | 37.6 | 62.4 | 1.6 | 808.4 | 24.5 | 16.2 |
2024-03-18 17:00 | 34.9 | 65.0 | 1.5 | 809.7 | 17.9 | 14.1 |
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.