Past 24 Hours Pollutant Concentration Summary
Eastern
Date Time | NO2 | O3 | SO2 | CO | PM10 | PM2.5 |
---|---|---|---|---|---|---|
2024-05-04 12:00 | 47.9 | 71.2 | 0.3 | - | 9.6 | 7.1 |
2024-05-04 11:00 | 46.5 | 73.0 | 0.3 | - | 10.9 | 7.9 |
2024-05-04 10:00 | 60.8 | 54.2 | 0.2 | - | 3.8 | 2.6 |
2024-05-04 09:00 | 50.7 | 59.1 | 0.2 | - | 2.9 | - |
2024-05-04 08:00 | 44.2 | 68.4 | 0.3 | - | 5.4 | 4.9 |
2024-05-04 07:00 | 29.3 | 91.3 | 0.3 | - | 3.2 | 2.5 |
2024-05-04 06:00 | 23.0 | 101.9 | 0.4 | - | 5.2 | 4.6 |
2024-05-04 05:00 | 14.1 | 112.2 | 0.5 | - | 7.3 | 5.0 |
2024-05-04 04:00 | 15.3 | 114.4 | 0.8 | - | 20.0 | 11.0 |
2024-05-04 03:00 | 13.4 | 126.1 | 1.0 | - | 29.2 | 12.0 |
2024-05-04 02:00 | 12.8 | 133.0 | 1.1 | - | 33.2 | 14.9 |
2024-05-04 01:00 | 18.7 | 124.9 | 1.1 | - | 32.0 | 14.6 |
2024-05-04 00:00 | 29.2 | 110.1 | 1.0 | - | 33.7 | 16.4 |
2024-05-03 23:00 | 34.3 | 108.7 | 1.2 | - | 36.2 | 17.6 |
2024-05-03 22:00 | 36.8 | 108.4 | 1.2 | - | 32.3 | 13.2 |
2024-05-03 21:00 | 35.5 | 107.0 | 1.0 | - | 34.1 | 14.7 |
2024-05-03 20:00 | 41.2 | 101.1 | 0.8 | - | 36.0 | 14.3 |
2024-05-03 19:00 | 44.9 | 96.1 | 0.8 | - | 36.3 | 14.3 |
2024-05-03 18:00 | 45.0 | 97.5 | 0.7 | - | 34.2 | 15.5 |
2024-05-03 17:00 | 49.2 | 98.1 | 0.9 | - | 27.6 | 13.8 |
2024-05-03 16:00 | 44.4 | 105.3 | 1.2 | - | 28.4 | 15.9 |
2024-05-03 15:00 | 45.8 | 105.0 | 1.2 | - | 28.9 | 15.4 |
2024-05-03 14:00 | 42.7 | 106.2 | 1.0 | - | 31.3 | 14.2 |
2024-05-03 13:00 | 43.1 | 99.7 | 1.0 | - | 34.8 | 15.3 |
Remarks:
(1) Time shown is in Hong Kong time.
(2) Concentration shown is in microgram per cubic metre (µg/m3).
(3) Abbreviation:
NO2 - nitrogen dioxide, O3 - ozone,
SO2 - sulphur dioxide, CO - carbon monoxide,
PM10 - respirable suspended particulates,
PM2.5 - fine suspended particulates
(4) The pollutant concentration is based on real time data taken directly from EPD's Air Quality Monitoring Network.