Past 24 Hours Pollutant Concentration Summary
Eastern
| Date Time | NO2 | O3 | SO2 | CO | PM10 | PM2.5 |
|---|---|---|---|---|---|---|
| 2020-08-09 19:00 | 15.5 | 38.9 | 3.0 | - | 13.1 | 5.8 |
| 2020-08-09 18:00 | 15.4 | 39.3 | 4.0 | - | 10.8 | 1.6 |
| 2020-08-09 17:00 | 23.9 | 37.1 | 3.8 | - | 10.7 | 2.6 |
| 2020-08-09 16:00 | 24.9 | 36.0 | 3.2 | - | 10.5 | 6.6 |
| 2020-08-09 15:00 | 24.5 | 31.1 | 4.4 | - | 10.6 | 8.0 |
| 2020-08-09 14:00 | 26.7 | 22.0 | 4.4 | - | 11.9 | 6.4 |
| 2020-08-09 13:00 | 25.5 | 21.0 | 3.3 | - | 10.6 | 3.7 |
| 2020-08-09 12:00 | 28.3 | 19.9 | 2.4 | - | 9.9 | 6.5 |
| 2020-08-09 11:00 | 24.9 | 10.2 | 2.9 | - | 7.7 | 5.3 |
| 2020-08-09 10:00 | 25.7 | 6.3 | 3.9 | - | 7.0 | 2.2 |
| 2020-08-09 09:00 | 23.8 | 3.9 | 2.7 | - | 8.6 | 3.9 |
| 2020-08-09 08:00 | 16.0 | 6.8 | 1.8 | - | 6.7 | 2.6 |
| 2020-08-09 07:00 | 7.4 | 12.2 | 1.9 | - | 5.7 | 1.8 |
| 2020-08-09 06:00 | 8.8 | 9.0 | 1.6 | - | 5.7 | - |
| 2020-08-09 05:00 | 12.3 | 6.2 | 1.6 | - | 9.5 | 1.6 |
| 2020-08-09 04:00 | 14.2 | 6.6 | 1.8 | - | 11.5 | 2.9 |
| 2020-08-09 03:00 | 10.4 | 10.5 | 1.6 | - | 11.5 | - |
| 2020-08-09 02:00 | 17.9 | 10.8 | 1.7 | - | 11.1 | 2.4 |
| 2020-08-09 01:00 | 26.0 | 14.7 | 2.2 | - | 9.3 | 5.3 |
| 2020-08-09 00:00 | 28.9 | 13.7 | 2.4 | - | 7.4 | 3.5 |
| 2020-08-08 23:00 | 30.8 | 14.6 | 2.3 | - | 5.9 | 1.4 |
| 2020-08-08 22:00 | 26.3 | 21.3 | 2.3 | - | 6.9 | 1.0 |
| 2020-08-08 21:00 | 29.6 | 21.6 | 2.7 | - | 6.6 | 2.1 |
| 2020-08-08 20:00 | 32.1 | 23.9 | 2.4 | - | 12.6 | 2.9 |
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.
