東區
| 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 | 28.4 | 50.3 | 0.9 | - | 8.9 | 7.4 |
| 2021-09-21 20:00 | 35.4 | 47.6 | 1.1 | - | 8.6 | 5.8 |
| 2021-09-21 19:00 | 28.7 | 58.9 | 1.2 | - | 13.2 | 6.3 |
| 2021-09-21 18:00 | 30.7 | 58.6 | 1.2 | - | 18.7 | 9.3 |
| 2021-09-21 17:00 | 46.9 | 43.9 | 1.3 | - | 16.1 | 8.4 |
| 2021-09-21 16:00 | 59.9 | 35.6 | 0.6 | - | 9.1 | 7.6 |
| 2021-09-21 15:00 | 49.2 | 37.0 | 0.4 | - | 7.5 | 4.1 |
| 2021-09-21 14:00 | 45.0 | 46.7 | 0.5 | - | 12.0 | 2.9 |
| 2021-09-21 13:00 | 31.0 | 57.5 | 1.1 | - | 12.7 | 5.6 |
| 2021-09-21 12:00 | 33.3 | 48.7 | 0.8 | - | 11.9 | 5.3 |
| 2021-09-21 11:00 | 27.3 | 39.8 | 0.9 | - | 11.6 | 2.6 |
| 2021-09-21 10:00 | 24.9 | 30.6 | 0.9 | - | 8.8 | 0.1 |
| 2021-09-21 09:00 | 31.1 | 25.8 | 1.0 | - | 9.2 | 1.4 |
| 2021-09-21 08:00 | 30.8 | 22.6 | 1.2 | - | 8.6 | 2.7 |
| 2021-09-21 07:00 | 27.5 | 20.7 | 1.1 | - | 9.5 | 4.1 |
| 2021-09-21 06:00 | 21.0 | 25.6 | 1.1 | - | 9.5 | 2.8 |
| 2021-09-21 05:00 | 20.7 | 29.2 | 1.1 | - | 12.0 | 3.0 |
| 2021-09-21 04:00 | 20.4 | 32.0 | 1.3 | - | 13.3 | 6.0 |
| 2021-09-21 03:00 | 18.4 | 34.3 | 1.3 | - | 14.3 | 7.5 |
| 2021-09-21 02:00 | 19.0 | 34.2 | 1.2 | - | 9.0 | 4.2 |
| 2021-09-21 01:00 | 29.5 | 26.7 | 0.8 | - | 4.7 | 3.4 |
| 2021-09-21 00:00 | 27.2 | 31.2 | 1.1 | - | 4.7 | 2.2 |
| 2021-09-20 23:00 | 31.3 | 27.2 | 1.2 | - | 9.0 | 3.5 |
| 2021-09-20 22:00 | 38.4 | 28.3 | 1.3 | - | 12.9 | 5.8 |
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。
