北區
| 日期時間 | 二氧化氮 | 臭氧 | 二氧化硫 | 一氧化碳 | PM10 | PM2.5 |
|---|---|---|---|---|---|---|
| 2021-10-22 04:00 | 13.8 | 40.7 | 1.9 | 500.8 | 2.6 | - |
| 2021-10-22 03:00 | 14.5 | 41.3 | 1.7 | 501.1 | 3.3 | 1.5 |
| 2021-10-22 02:00 | 15.9 | 45.0 | 1.7 | 504.0 | 6.9 | 2.8 |
| 2021-10-22 01:00 | 18.9 | 46.6 | 1.6 | 495.5 | 12.4 | 7.1 |
| 2021-10-22 00:00 | 20.0 | 48.1 | 1.8 | 519.7 | 15.8 | 5.1 |
| 2021-10-21 23:00 | 22.5 | 48.9 | 1.9 | 523.0 | 19.4 | 3.4 |
| 2021-10-21 22:00 | 26.5 | 47.8 | 2.2 | 568.3 | 18.0 | 4.8 |
| 2021-10-21 21:00 | 28.8 | 46.6 | 2.1 | 587.8 | 18.3 | 7.1 |
| 2021-10-21 20:00 | 30.4 | 45.8 | 2.5 | 580.1 | 19.0 | 7.7 |
| 2021-10-21 19:00 | 34.1 | 45.5 | 2.7 | 679.8 | 20.1 | 7.4 |
| 2021-10-21 18:00 | 39.5 | 41.7 | 2.4 | 572.5 | 21.9 | 7.2 |
| 2021-10-21 17:00 | 42.2 | 38.2 | 2.6 | 681.5 | 26.5 | 6.7 |
| 2021-10-21 16:00 | 37.0 | 41.5 | 2.3 | 566.5 | 30.3 | 8.2 |
| 2021-10-21 15:00 | 46.0 | 30.7 | 2.7 | 577.1 | 35.7 | 10.3 |
| 2021-10-21 14:00 | 44.8 | 33.8 | 3.0 | 584.4 | 45.1 | 15.1 |
| 2021-10-21 13:00 | 54.1 | 37.5 | 3.2 | 588.0 | 50.7 | 14.9 |
| 2021-10-21 12:00 | 50.3 | 36.7 | 3.1 | 526.9 | 37.7 | 10.6 |
| 2021-10-21 11:00 | 46.3 | 45.5 | 3.2 | 484.7 | 31.6 | 14.8 |
| 2021-10-21 10:00 | 55.1 | 36.3 | 3.2 | 526.8 | 38.4 | 17.7 |
| 2021-10-21 09:00 | 82.0 | 8.2 | 4.6 | 675.2 | 28.5 | 14.4 |
| 2021-10-21 08:00 | 71.7 | 6.3 | 4.2 | 702.8 | 15.4 | 9.3 |
| 2021-10-21 07:00 | 40.8 | 5.1 | 3.4 | 662.6 | 11.3 | 8.0 |
| 2021-10-21 06:00 | 47.2 | 6.5 | 2.8 | 513.7 | 11.5 | 9.3 |
| 2021-10-21 05:00 | 23.7 | 23.5 | 2.1 | 411.3 | 15.1 | 9.1 |
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。
