Past 24 Hours Pollutant Concentration Summary
Causeway Bay
Date Time | NO2 | O3 | SO2 | CO | PM10 | PM2.5 |
---|---|---|---|---|---|---|
2024-03-28 18:00 | 132.9 | 8.0 | 10.8 | 996.6 | 78.1 | 41.7 |
2024-03-28 17:00 | 127.3 | 8.1 | 10.3 | 960.1 | 51.8 | 28.2 |
2024-03-28 16:00 | 125.0 | 9.5 | 7.8 | 896.7 | 56.4 | 31.6 |
2024-03-28 15:00 | 116.1 | 8.3 | 8.8 | 846.2 | 76.8 | 40.9 |
2024-03-28 14:00 | 113.4 | 10.3 | 9.4 | 841.5 | 71.3 | 45.4 |
2024-03-28 13:00 | 129.4 | 11.3 | 9.1 | 784.3 | 49.1 | 27.3 |
2024-03-28 12:00 | 124.1 | 10.6 | 8.1 | 912.1 | 54.6 | 26.4 |
2024-03-28 11:00 | 115.6 | 8.0 | 9.0 | 955.7 | 68.7 | 35.1 |
2024-03-28 10:00 | 109.6 | 7.8 | 7.5 | 1,138.7 | 59.3 | 29.9 |
2024-03-28 09:00 | 101.8 | 11.3 | 6.3 | 1,019.9 | 60.3 | 26.6 |
2024-03-28 08:00 | 99.6 | 12.0 | 4.6 | 815.4 | 58.0 | 23.7 |
2024-03-28 07:00 | 66.3 | 41.2 | 2.4 | 597.1 | 54.6 | 23.2 |
2024-03-28 06:00 | 28.0 | 74.7 | 1.6 | 437.3 | 41.7 | 18.2 |
2024-03-28 05:00 | 29.0 | 73.5 | 1.8 | 560.4 | 32.2 | 15.2 |
2024-03-28 04:00 | 39.2 | 69.6 | 1.6 | 1,053.9 | 29.8 | 13.0 |
2024-03-28 03:00 | 24.8 | 86.1 | 1.5 | 521.2 | 35.7 | 15.6 |
2024-03-28 02:00 | 26.9 | 87.8 | 1.4 | 425.2 | 46.3 | 19.1 |
2024-03-28 01:00 | 46.2 | 75.1 | 2.0 | 483.3 | 44.0 | 22.3 |
2024-03-28 00:00 | 65.5 | 61.5 | 2.3 | 572.1 | 42.4 | 21.1 |
2024-03-27 23:00 | 72.7 | 58.6 | 2.6 | 580.1 | 47.8 | 27.1 |
2024-03-27 22:00 | 76.3 | 66.1 | 2.9 | 697.3 | 51.1 | 32.2 |
2024-03-27 21:00 | 103.2 | 50.5 | 4.7 | 832.4 | 52.8 | 33.6 |
2024-03-27 20:00 | 106.8 | 61.4 | 4.2 | 891.1 | 62.2 | 37.1 |
2024-03-27 19:00 | 91.4 | 79.2 | 3.6 | 763.5 | 63.1 | 35.9 |
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.