中西區
| 日期時間 | 二氧化氮 | 臭氧 | 二氧化硫 | 一氧化碳 | PM10 | PM2.5 |
|---|---|---|---|---|---|---|
| 2021-09-17 19:00 | 62.0 | 154.4 | 5.2 | - | 38.7 | 30.5 |
| 2021-09-17 18:00 | 80.1 | 125.1 | 3.5 | - | 30.6 | 23.8 |
| 2021-09-17 17:00 | 59.3 | 158.5 | 4.7 | - | 41.4 | 31.5 |
| 2021-09-17 16:00 | 75.0 | 171.1 | 5.1 | - | 46.1 | 34.3 |
| 2021-09-17 15:00 | 61.1 | 187.1 | 4.2 | - | 41.0 | 31.9 |
| 2021-09-17 14:00 | 58.0 | 176.4 | 4.4 | - | 37.9 | 29.9 |
| 2021-09-17 13:00 | 70.9 | 120.3 | 5.2 | - | 41.0 | 31.4 |
| 2021-09-17 12:00 | 79.6 | 87.4 | 6.4 | - | 40.3 | 30.2 |
| 2021-09-17 11:00 | 92.8 | 58.8 | 7.6 | - | 33.9 | 24.6 |
| 2021-09-17 10:00 | 83.3 | 32.6 | 9.0 | - | 30.3 | 22.9 |
| 2021-09-17 09:00 | 78.8 | 18.6 | 8.9 | - | 31.2 | 23.4 |
| 2021-09-17 08:00 | 80.1 | 11.8 | 10.3 | - | 29.6 | 20.6 |
| 2021-09-17 07:00 | 84.6 | 3.9 | 10.1 | - | 23.0 | 15.2 |
| 2021-09-17 06:00 | 92.2 | 0.7 | 9.1 | - | 18.4 | 11.9 |
| 2021-09-17 05:00 | 88.8 | 3.1 | 9.4 | - | 16.0 | 9.8 |
| 2021-09-17 04:00 | - | 8.8 | - | - | 13.4 | 8.9 |
| 2021-09-17 03:00 | 70.6 | 18.7 | 10.0 | - | 9.2 | 7.1 |
| 2021-09-17 02:00 | 50.3 | 37.4 | 9.0 | - | 12.1 | 9.3 |
| 2021-09-17 01:00 | 100.2 | 1.0 | 12.2 | - | 16.1 | 11.3 |
| 2021-09-17 00:00 | 107.5 | 1.3 | 9.2 | - | 12.1 | 9.5 |
| 2021-09-16 23:00 | 66.4 | 30.7 | 5.8 | - | 9.5 | 6.7 |
| 2021-09-16 22:00 | 51.3 | 59.3 | 5.6 | - | 10.6 | 7.6 |
| 2021-09-16 21:00 | 45.5 | 70.8 | 5.6 | - | 18.9 | 14.3 |
| 2021-09-16 20:00 | 52.4 | 81.9 | 4.6 | - | 19.9 | 11.7 |
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。
