Past 24 Hours Pollutant Concentration Summary
Central
| Date Time | NO2 | O3 | SO2 | CO | PM10 | PM2.5 |
|---|---|---|---|---|---|---|
| 2022-10-06 02:00 | 14.1 | 80.2 | 2.3 | 905.8 | 23.9 | 11.5 |
| 2022-10-06 01:00 | 20.6 | 77.3 | 2.5 | 912.2 | 27.0 | 15.3 |
| 2022-10-06 00:00 | 32.9 | 70.9 | 2.0 | 937.1 | 23.2 | 12.3 |
| 2022-10-05 23:00 | 33.5 | 70.8 | 2.1 | 947.6 | 22.0 | 11.5 |
| 2022-10-05 22:00 | 34.3 | 73.0 | 2.2 | 1,014.8 | 25.0 | 13.8 |
| 2022-10-05 21:00 | 48.8 | 62.9 | 2.9 | 1,039.6 | 27.1 | 15.3 |
| 2022-10-05 20:00 | 58.2 | 51.4 | 2.9 | 1,069.8 | 27.1 | 15.4 |
| 2022-10-05 19:00 | 76.9 | 38.4 | 3.3 | 1,080.9 | 27.6 | 16.1 |
| 2022-10-05 18:00 | 68.6 | 43.5 | 3.3 | 1,036.8 | 26.0 | 14.7 |
| 2022-10-05 17:00 | 50.6 | 52.2 | 2.8 | 942.4 | 24.5 | 13.1 |
| 2022-10-05 16:00 | 53.7 | 52.8 | 2.7 | 1,101.7 | 29.6 | 18.0 |
| 2022-10-05 15:00 | 63.1 | 47.6 | 3.2 | 1,017.6 | 30.9 | 21.8 |
| 2022-10-05 14:00 | 54.3 | 60.1 | 3.3 | 1,025.2 | 24.9 | 17.3 |
| 2022-10-05 13:00 | 64.3 | 49.0 | 3.5 | 1,025.8 | 27.8 | 19.4 |
| 2022-10-05 12:00 | 80.1 | 38.8 | 4.2 | 1,036.1 | 24.9 | 16.6 |
| 2022-10-05 11:00 | 77.2 | 32.3 | 3.3 | 1,058.5 | 28.4 | 20.6 |
| 2022-10-05 10:00 | 91.1 | 31.5 | 4.2 | 1,119.0 | 35.3 | 26.5 |
| 2022-10-05 09:00 | 101.9 | 13.4 | 4.6 | 1,134.1 | 35.9 | 27.1 |
| 2022-10-05 08:00 | 82.9 | 18.9 | 3.6 | 1,039.1 | 35.3 | 26.8 |
| 2022-10-05 07:00 | 60.5 | - | 2.8 | 1,045.1 | 31.2 | 23.8 |
| 2022-10-05 06:00 | 31.8 | 58.6 | 2.7 | 983.1 | 31.3 | 25.5 |
| 2022-10-05 05:00 | 35.8 | 56.0 | 3.0 | 956.8 | 27.2 | 21.4 |
| 2022-10-05 04:00 | 43.9 | 48.3 | 2.5 | 995.5 | 26.2 | 21.6 |
| 2022-10-05 03:00 | 47.8 | 47.1 | 2.8 | 1,014.5 | 25.0 | 20.0 |
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.