北區
| 日期時間 | 二氧化氮 | 臭氧 | 二氧化硫 | 一氧化碳 | PM10 | PM2.5 |
|---|---|---|---|---|---|---|
| 2021-06-21 04:00 | 7.8 | 64.2 | 3.5 | 204.1 | 21.5 | 13.3 |
| 2021-06-21 03:00 | 8.0 | 59.0 | 3.0 | 221.7 | 17.0 | 12.4 |
| 2021-06-21 02:00 | 7.7 | 63.4 | 3.0 | 210.2 | 16.8 | 12.5 |
| 2021-06-21 01:00 | 6.8 | 69.6 | 3.0 | 207.3 | 21.8 | 15.6 |
| 2021-06-21 00:00 | 5.7 | 73.8 | 2.5 | 214.5 | 18.7 | 14.9 |
| 2021-06-20 23:00 | 8.2 | 70.9 | 2.8 | 213.3 | 13.3 | 10.3 |
| 2021-06-20 22:00 | 8.3 | 66.0 | 3.0 | 205.9 | 12.7 | 7.0 |
| 2021-06-20 21:00 | 10.0 | 63.8 | 2.6 | 214.0 | 12.1 | 5.5 |
| 2021-06-20 20:00 | 15.3 | 61.6 | 3.2 | 205.6 | 20.5 | 7.4 |
| 2021-06-20 19:00 | 9.1 | 68.0 | 3.2 | 182.6 | 27.0 | 11.2 |
| 2021-06-20 18:00 | 11.5 | 74.5 | 2.5 | 224.0 | 23.8 | 11.3 |
| 2021-06-20 17:00 | 8.2 | 87.9 | 3.4 | 239.3 | 22.2 | 9.6 |
| 2021-06-20 16:00 | 8.3 | 93.9 | 2.6 | 219.5 | 22.8 | 10.3 |
| 2021-06-20 15:00 | 8.0 | 104.6 | 3.1 | 212.3 | 19.6 | 11.0 |
| 2021-06-20 14:00 | 7.6 | 95.7 | 2.8 | 205.4 | 16.1 | 12.5 |
| 2021-06-20 13:00 | 9.3 | 91.7 | 2.7 | 202.4 | 15.4 | 12.0 |
| 2021-06-20 12:00 | 9.6 | 88.6 | 2.9 | 188.4 | 17.4 | 9.6 |
| 2021-06-20 11:00 | 10.9 | 79.1 | 2.9 | 200.1 | 19.0 | 11.2 |
| 2021-06-20 10:00 | 7.6 | 75.5 | 2.4 | 185.1 | 18.3 | 11.4 |
| 2021-06-20 09:00 | 6.8 | 69.9 | 3.0 | 181.3 | 16.6 | 9.3 |
| 2021-06-20 08:00 | 6.5 | 66.4 | 3.1 | 176.4 | 13.5 | 9.1 |
| 2021-06-20 07:00 | 9.2 | 61.3 | 3.3 | 183.0 | 16.2 | 9.9 |
| 2021-06-20 06:00 | 9.7 | 56.9 | 3.4 | 178.6 | 18.0 | 11.2 |
| 2021-06-20 05:00 | 9.6 | 57.0 | 3.7 | 182.8 | 18.9 | 10.6 |
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。
