Past 24 Hours Pollutant Concentration Summary
Causeway Bay
Date Time | NO2 | O3 | SO2 | CO | PM10 | PM2.5 |
---|---|---|---|---|---|---|
2024-03-29 12:00 | 121.0 | 8.9 | 10.6 | 1,109.4 | 70.6 | 43.8 |
2024-03-29 11:00 | 103.1 | 7.3 | 10.1 | 965.9 | 62.9 | 41.3 |
2024-03-29 10:00 | 95.6 | 7.0 | 8.6 | 839.1 | 61.9 | 39.3 |
2024-03-29 09:00 | 80.2 | 6.4 | 7.3 | 891.1 | 62.0 | 37.2 |
2024-03-29 08:00 | 81.1 | 7.4 | 5.8 | 782.2 | 54.7 | 32.5 |
2024-03-29 07:00 | 77.6 | 7.2 | 5.8 | 748.8 | 48.0 | 27.2 |
2024-03-29 06:00 | 62.7 | 16.7 | 3.5 | 648.7 | 47.2 | 26.1 |
2024-03-29 05:00 | - | 10.6 | - | - | 48.8 | 29.6 |
2024-03-29 04:00 | 60.2 | 16.2 | 3.4 | 768.4 | 43.1 | 25.1 |
2024-03-29 03:00 | 57.4 | 21.2 | 3.0 | 685.0 | 45.3 | 27.6 |
2024-03-29 02:00 | 64.6 | 25.0 | 3.8 | 634.0 | 43.4 | 24.2 |
2024-03-29 01:00 | 89.4 | 6.7 | 6.5 | 916.8 | 50.9 | 28.0 |
2024-03-29 00:00 | 96.1 | 6.0 | 12.7 | 816.0 | 53.0 | 29.3 |
2024-03-28 23:00 | 92.0 | 8.4 | 6.9 | 799.7 | 58.0 | 32.9 |
2024-03-28 22:00 | 101.1 | 8.0 | 6.9 | 965.7 | 61.5 | 37.9 |
2024-03-28 21:00 | 99.5 | 8.9 | 6.8 | 953.1 | 69.9 | 43.1 |
2024-03-28 20:00 | 122.6 | 8.6 | 8.6 | 1,006.6 | 75.9 | 47.1 |
2024-03-28 19:00 | 144.0 | 7.4 | 12.9 | 1,052.0 | 84.9 | 41.6 |
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 |
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.