Past 24 Hours Pollutant Concentration Summary
Central/Western
| Date Time | NO2 | O3 | SO2 | CO | PM10 | PM2.5 |
|---|---|---|---|---|---|---|
| 2020-08-13 07:00 | 25.6 | 12.7 | 7.6 | - | 6.4 | 3.8 |
| 2020-08-13 06:00 | 11.8 | 25.1 | 7.3 | - | 7.3 | 4.4 |
| 2020-08-13 05:00 | 8.7 | 29.6 | 6.7 | - | 6.9 | 4.1 |
| 2020-08-13 04:00 | - | - | - | - | 8.5 | 4.7 |
| 2020-08-13 03:00 | 11.6 | 29.7 | 6.9 | - | 7.8 | 4.5 |
| 2020-08-13 02:00 | 11.3 | - | 6.3 | - | 5.4 | 1.9 |
| 2020-08-13 01:00 | 12.5 | 29.2 | 6.0 | - | 6.4 | 3.7 |
| 2020-08-13 00:00 | 19.3 | 27.0 | 6.5 | - | 4.1 | 1.6 |
| 2020-08-12 23:00 | 18.7 | 26.3 | 5.9 | - | 4.1 | 2.2 |
| 2020-08-12 22:00 | 11.9 | 35.4 | 7.1 | - | 5.8 | 3.4 |
| 2020-08-12 21:00 | 13.4 | 37.0 | 6.4 | - | 6.2 | 4.2 |
| 2020-08-12 20:00 | 17.3 | 33.8 | 6.4 | - | 2.8 | 1.7 |
| 2020-08-12 19:00 | 14.9 | 38.3 | 7.2 | - | 2.0 | 1.1 |
| 2020-08-12 18:00 | 19.8 | 36.3 | 6.2 | - | 6.3 | 3.8 |
| 2020-08-12 17:00 | 20.1 | 32.6 | 7.0 | - | 7.1 | 3.9 |
| 2020-08-12 16:00 | 16.3 | 36.6 | 6.1 | - | 11.0 | 7.3 |
| 2020-08-12 15:00 | 14.0 | 38.7 | 6.0 | - | 5.8 | 3.4 |
| 2020-08-12 14:00 | 9.1 | 44.2 | 6.6 | - | 2.2 | 1.6 |
| 2020-08-12 13:00 | 9.2 | 43.2 | 4.9 | - | 9.9 | 5.1 |
| 2020-08-12 12:00 | 36.8 | 26.7 | 5.3 | - | 12.3 | 4.5 |
| 2020-08-12 11:00 | 23.0 | 30.4 | 5.6 | - | 15.3 | 6.9 |
| 2020-08-12 10:00 | 51.7 | 8.0 | 8.5 | - | 14.5 | 6.6 |
| 2020-08-12 09:00 | 49.5 | 7.1 | 9.1 | - | 11.5 | 6.9 |
| 2020-08-12 08:00 | 49.8 | 5.1 | 10.0 | - | 13.4 | 6.5 |
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.
