Past 24 Hours Pollutant Concentration Summary
Eastern
Date Time | NO2 | O3 | SO2 | CO | PM10 | PM2.5 |
---|---|---|---|---|---|---|
2024-04-28 02:00 | 20.8 | 38.6 | 1.1 | - | 19.7 | 8.1 |
2024-04-28 01:00 | 15.9 | 49.1 | 0.8 | - | 18.7 | 7.9 |
2024-04-28 00:00 | 16.0 | 40.4 | 0.9 | - | 21.7 | 11.1 |
2024-04-27 23:00 | 20.1 | 35.9 | 0.7 | - | 21.8 | 8.9 |
2024-04-27 22:00 | 27.9 | 30.5 | 1.0 | - | 22.9 | 9.2 |
2024-04-27 21:00 | 28.1 | 29.5 | 0.9 | - | 24.2 | 11.0 |
2024-04-27 20:00 | 28.1 | 29.4 | 0.7 | - | 23.0 | 10.4 |
2024-04-27 19:00 | 27.1 | 32.6 | 0.9 | - | 18.4 | 7.4 |
2024-04-27 18:00 | 21.5 | 39.8 | 0.7 | - | 19.7 | 9.5 |
2024-04-27 17:00 | 28.7 | 34.1 | 0.7 | - | 20.6 | 10.1 |
2024-04-27 16:00 | 25.1 | 37.2 | 0.7 | - | 20.2 | 9.5 |
2024-04-27 15:00 | 16.7 | 47.5 | 0.7 | - | 22.2 | 12.0 |
2024-04-27 14:00 | 17.0 | 50.4 | 0.6 | - | 18.3 | 8.5 |
2024-04-27 13:00 | 14.8 | 51.2 | 0.6 | - | 22.2 | 10.9 |
2024-04-27 12:00 | 14.7 | 49.7 | 0.8 | - | 19.8 | 9.6 |
2024-04-27 11:00 | 17.1 | 44.3 | 1.0 | - | 22.3 | 11.1 |
2024-04-27 10:00 | 17.7 | 41.6 | 0.8 | - | 22.3 | 12.4 |
2024-04-27 09:00 | 19.7 | 40.9 | 0.9 | - | 19.8 | 9.8 |
2024-04-27 08:00 | 17.5 | 47.1 | 0.9 | - | 21.8 | 11.5 |
2024-04-27 07:00 | 15.8 | 47.8 | 0.7 | - | 27.5 | 17.0 |
2024-04-27 06:00 | 12.7 | 49.1 | 0.7 | - | 21.8 | 10.5 |
2024-04-27 05:00 | 10.9 | 53.7 | 0.9 | - | 20.7 | 11.5 |
2024-04-27 04:00 | 11.2 | 52.8 | 0.9 | - | 19.1 | 9.1 |
2024-04-27 03:00 | 9.9 | 52.1 | 0.6 | - | 17.1 | 6.1 |
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.