中環
| 日期時間 | 二氧化氮 | 臭氧 | 二氧化硫 | 一氧化碳 | PM10 | PM2.5 |
|---|---|---|---|---|---|---|
| 2021-09-21 21:00 | 85.3 | 4.7 | 11.2 | 1,885.1 | 44.2 | 33.0 |
| 2021-09-21 20:00 | 91.8 | 4.8 | 11.7 | 1,687.6 | 30.0 | 18.7 |
| 2021-09-21 19:00 | 90.0 | 4.4 | 11.0 | 1,447.7 | 27.9 | 17.2 |
| 2021-09-21 18:00 | 96.5 | 4.4 | 11.6 | 1,296.3 | 30.0 | 17.5 |
| 2021-09-21 17:00 | 97.9 | 4.7 | 9.5 | 1,245.8 | 29.2 | 18.9 |
| 2021-09-21 16:00 | 87.4 | 4.6 | 10.0 | 1,236.7 | 25.9 | 16.5 |
| 2021-09-21 15:00 | 86.3 | 4.5 | 7.1 | 1,198.6 | 18.3 | 13.3 |
| 2021-09-21 14:00 | 74.6 | 8.5 | 4.6 | 1,093.7 | 20.0 | 16.2 |
| 2021-09-21 13:00 | 74.2 | 10.2 | 4.9 | 1,171.4 | 15.4 | 10.7 |
| 2021-09-21 12:00 | 58.7 | 7.6 | 4.9 | 1,017.1 | 14.4 | 7.9 |
| 2021-09-21 11:00 | 64.2 | 4.0 | 6.0 | 1,116.6 | 14.9 | 8.4 |
| 2021-09-21 10:00 | 63.3 | 3.7 | 6.9 | 1,059.7 | 17.5 | 11.7 |
| 2021-09-21 09:00 | 57.0 | 3.4 | 6.3 | 1,176.9 | 19.9 | 13.9 |
| 2021-09-21 08:00 | 49.4 | 3.9 | 6.0 | 1,186.2 | 18.1 | 13.3 |
| 2021-09-21 07:00 | 40.6 | 3.5 | 5.2 | 1,137.5 | 10.9 | 7.3 |
| 2021-09-21 06:00 | 33.4 | 3.2 | 3.9 | 1,101.0 | 10.0 | 7.7 |
| 2021-09-21 05:00 | 34.0 | 3.4 | 3.7 | 933.3 | 10.1 | 8.3 |
| 2021-09-21 04:00 | 34.7 | 3.9 | 3.8 | 1,055.1 | 9.1 | 6.8 |
| 2021-09-21 03:00 | - | 4.4 | - | - | 7.8 | 5.4 |
| 2021-09-21 02:00 | 60.6 | 4.1 | 4.2 | 935.3 | 11.8 | 7.4 |
| 2021-09-21 01:00 | 51.4 | 4.4 | 4.1 | 1,003.2 | 11.5 | 8.1 |
| 2021-09-21 00:00 | 42.9 | 3.1 | 4.1 | 1,026.1 | 14.7 | 11.9 |
| 2021-09-20 23:00 | 46.3 | 3.4 | 3.7 | 1,020.1 | 13.4 | 10.2 |
| 2021-09-20 22:00 | 55.1 | 4.6 | 3.5 | 1,076.9 | 18.8 | 14.4 |
備註：
(1) 顯示的是香港時間。
(2) PM10 - 可吸入懸浮粒子
PM2.5 - 微細懸浮粒子
(3) 顯示濃度為微克/立方米 。
(4) 污染物濃度資料是以環境保護署空氣質素監測網絡的實時數據計算。
