Past 24 Hours Pollutant Concentration Summary
Central
| Date Time | NO2 | O3 | SO2 | CO | PM10 | PM2.5 |
|---|---|---|---|---|---|---|
| 2020-06-05 04:00 | 34.7 | 21.0 | 2.2 | 753.6 | 17.4 | 13.9 |
| 2020-06-05 03:00 | 32.9 | 21.5 | 1.8 | 757.1 | 13.2 | 9.6 |
| 2020-06-05 02:00 | 29.4 | 21.4 | 1.4 | 797.3 | 10.7 | 6.2 |
| 2020-06-05 01:00 | 29.8 | 22.6 | 1.4 | 762.7 | 11.6 | 6.8 |
| 2020-06-05 00:00 | 28.0 | 26.8 | 1.7 | 760.8 | 12.5 | 7.8 |
| 2020-06-04 23:00 | 25.5 | 28.3 | 1.7 | 727.3 | 7.9 | 3.2 |
| 2020-06-04 22:00 | 33.8 | 23.3 | 2.9 | 824.4 | 9.2 | 3.6 |
| 2020-06-04 21:00 | 30.2 | 23.8 | 2.2 | 828.0 | 10.1 | 3.9 |
| 2020-06-04 20:00 | 37.4 | 25.2 | 2.6 | 766.5 | 8.9 | 4.8 |
| 2020-06-04 19:00 | 56.5 | 21.1 | 3.4 | 804.0 | 8.8 | 3.9 |
| 2020-06-04 18:00 | 47.3 | 23.7 | 4.5 | 843.2 | 16.4 | 8.4 |
| 2020-06-04 17:00 | 58.9 | 19.6 | 4.8 | 965.6 | 10.6 | 5.1 |
| 2020-06-04 16:00 | 36.0 | 42.2 | 2.8 | 767.1 | 10.6 | 4.1 |
| 2020-06-04 15:00 | 54.1 | 23.9 | 4.6 | 987.9 | 11.0 | 5.7 |
| 2020-06-04 14:00 | 45.0 | 31.0 | 3.8 | 859.0 | 15.1 | 8.9 |
| 2020-06-04 13:00 | 64.0 | 16.9 | 6.6 | 1,034.7 | 16.1 | 9.4 |
| 2020-06-04 12:00 | 62.8 | 16.6 | 5.9 | 964.0 | 13.2 | 5.4 |
| 2020-06-04 11:00 | 54.0 | 21.3 | 3.6 | 1,188.0 | 12.1 | 5.8 |
| 2020-06-04 10:00 | 45.9 | 23.0 | 4.7 | 858.8 | 12.7 | 6.3 |
| 2020-06-04 09:00 | 54.8 | 18.6 | 3.8 | 860.3 | 8.3 | 3.2 |
| 2020-06-04 08:00 | 48.3 | 16.4 | 3.7 | 838.4 | 8.3 | 3.5 |
| 2020-06-04 07:00 | 23.0 | 27.2 | 2.1 | 768.4 | 9.9 | 6.1 |
| 2020-06-04 06:00 | 24.6 | 26.4 | 2.5 | 766.6 | 12.9 | 9.1 |
| 2020-06-04 05:00 | 21.9 | 30.4 | 2.2 | 705.6 | 13.4 | 6.9 |
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.
