Past 24 Hours Pollutant Concentration Summary
Southern
Date Time | NO2 | O3 | SO2 | CO | PM10 | PM2.5 |
---|---|---|---|---|---|---|
2024-03-29 22:00 | 79.0 | 30.1 | 4.8 | 682.8 | 35.9 | 4.4 |
2024-03-29 21:00 | 83.7 | 48.7 | 4.8 | 700.8 | 33.1 | 16.4 |
2024-03-29 20:00 | 62.0 | 72.0 | 5.3 | 698.5 | 42.7 | 19.5 |
2024-03-29 19:00 | 33.8 | 107.3 | 4.9 | 748.7 | 54.6 | 25.0 |
2024-03-29 18:00 | 34.8 | 123.9 | 3.9 | 759.9 | 60.9 | 25.6 |
2024-03-29 17:00 | 29.3 | 160.7 | 3.0 | 736.5 | 55.0 | 12.9 |
2024-03-29 16:00 | 23.4 | 175.1 | 3.7 | 714.5 | 41.1 | 9.3 |
2024-03-29 15:00 | 32.3 | 145.6 | 4.6 | 711.4 | 29.9 | 12.5 |
2024-03-29 14:00 | 49.1 | 85.3 | 3.5 | 746.2 | 16.1 | 12.4 |
2024-03-29 13:00 | 51.1 | 67.9 | 5.8 | 713.1 | 26.2 | 17.6 |
2024-03-29 12:00 | 73.8 | 34.2 | 7.6 | 827.0 | 40.3 | 17.2 |
2024-03-29 11:00 | 70.5 | 34.9 | 5.3 | 748.5 | 46.3 | 18.9 |
2024-03-29 10:00 | 61.2 | 31.1 | 5.7 | 711.7 | 43.8 | 18.4 |
2024-03-29 09:00 | 70.8 | 23.3 | 5.0 | 795.3 | 35.0 | 15.7 |
2024-03-29 08:00 | 45.6 | 27.4 | 3.2 | 703.0 | 35.4 | 16.4 |
2024-03-29 07:00 | 44.8 | 26.6 | 3.2 | 662.5 | 37.5 | 15.4 |
2024-03-29 06:00 | 42.9 | 21.9 | 3.6 | 661.3 | 26.8 | 12.1 |
2024-03-29 05:00 | 31.4 | 41.3 | 2.8 | 603.7 | 9.8 | 5.8 |
2024-03-29 04:00 | 20.0 | 20.3 | 2.1 | 601.9 | 17.4 | 7.6 |
2024-03-29 03:00 | 22.4 | 24.3 | 2.2 | 589.7 | 22.5 | 9.4 |
2024-03-29 02:00 | 29.8 | 34.0 | 2.5 | 594.5 | 28.1 | 10.0 |
2024-03-29 01:00 | 41.8 | 22.6 | 3.7 | 609.4 | 30.6 | 15.1 |
2024-03-29 00:00 | 35.5 | 28.9 | 2.8 | 621.7 | 26.1 | 15.9 |
2024-03-28 23:00 | 23.4 | 46.0 | 2.5 | 626.1 | 30.8 | 13.2 |
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.