Past 24 Hours Pollutant Concentration Summary
Central/Western
Date Time | NO2 | O3 | SO2 | CO | PM10 | PM2.5 |
---|---|---|---|---|---|---|
2024-03-19 19:00 | 48.6 | 97.0 | 2.4 | - | 25.2 | 11.6 |
2024-03-19 18:00 | 57.3 | 93.6 | 2.7 | - | 25.7 | 11.7 |
2024-03-19 17:00 | 60.0 | 101.5 | 3.9 | - | 24.3 | 12.0 |
2024-03-19 16:00 | 41.8 | 108.0 | 3.0 | - | 20.6 | 10.6 |
2024-03-19 15:00 | 44.0 | 90.8 | 2.7 | - | 20.1 | 9.6 |
2024-03-19 14:00 | 30.5 | 88.4 | 2.4 | - | 14.6 | 7.4 |
2024-03-19 13:00 | 38.7 | 51.3 | 2.1 | - | 9.6 | 4.7 |
2024-03-19 12:00 | 35.0 | 34.0 | 2.9 | - | 7.9 | 2.8 |
2024-03-19 11:00 | 34.9 | 26.0 | 2.6 | - | 9.3 | 4.3 |
2024-03-19 10:00 | 39.0 | 18.1 | 2.3 | - | 6.3 | 2.3 |
2024-03-19 09:00 | 41.9 | 15.5 | 2.9 | - | 7.1 | 3.7 |
2024-03-19 08:00 | 39.6 | 26.4 | 2.9 | - | 25.0 | 14.7 |
2024-03-19 07:00 | 25.7 | 60.4 | 2.1 | - | 38.4 | 21.1 |
2024-03-19 06:00 | 13.5 | 75.5 | 2.1 | - | 41.4 | 23.4 |
2024-03-19 05:00 | 10.9 | 80.6 | 2.1 | - | 36.2 | 19.3 |
2024-03-19 04:00 | 9.3 | 89.1 | 2.1 | - | 34.5 | 16.9 |
2024-03-19 03:00 | 11.1 | 90.2 | 2.2 | - | 37.5 | 16.2 |
2024-03-19 02:00 | 12.2 | 92.0 | 2.2 | - | 38.5 | 16.2 |
2024-03-19 01:00 | - | 86.2 | - | - | 35.3 | 16.1 |
2024-03-19 00:00 | 22.3 | 81.1 | 2.1 | - | 36.9 | 19.4 |
2024-03-18 23:00 | 22.6 | 86.3 | 2.1 | - | 32.8 | 18.9 |
2024-03-18 22:00 | 19.7 | 91.6 | 2.0 | - | 33.8 | 21.5 |
2024-03-18 21:00 | 34.1 | 80.9 | 2.8 | - | 43.1 | 25.9 |
2024-03-18 20:00 | 29.2 | 90.3 | 3.1 | - | 43.1 | 24.5 |
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.