元朗
| 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 | 52.4 | 9.4 | 10.6 | 1,073.7 | 16.6 | 12.3 |
| 2021-09-21 20:00 | 62.1 | 11.5 | 10.5 | 836.8 | 13.1 | 9.7 |
| 2021-09-21 19:00 | 60.1 | 13.8 | 10.6 | 814.2 | 11.9 | 8.7 |
| 2021-09-21 18:00 | 56.9 | 21.2 | 9.9 | 802.5 | 10.6 | 7.5 |
| 2021-09-21 17:00 | 54.9 | 25.5 | 9.1 | 788.6 | 14.9 | 8.9 |
| 2021-09-21 16:00 | 63.8 | 15.7 | 9.4 | 875.3 | 13.0 | 7.0 |
| 2021-09-21 15:00 | 56.1 | 23.3 | 9.3 | 745.9 | 11.5 | 8.2 |
| 2021-09-21 14:00 | - | - | - | - | 24.8 | 18.0 |
| 2021-09-21 13:00 | - | - | - | - | 20.4 | 11.8 |
| 2021-09-21 12:00 | - | - | - | - | 15.1 | 8.2 |
| 2021-09-21 11:00 | - | - | - | - | 15.0 | 9.1 |
| 2021-09-21 10:00 | 27.5 | 29.3 | 9.4 | 704.8 | 19.8 | 11.3 |
| 2021-09-21 09:00 | 31.5 | 15.4 | 9.7 | 751.8 | 20.8 | 10.9 |
| 2021-09-21 08:00 | 29.9 | 5.2 | 9.8 | 836.4 | 14.5 | 7.7 |
| 2021-09-21 07:00 | 27.7 | 1.2 | 9.0 | 876.4 | 11.9 | 5.9 |
| 2021-09-21 06:00 | 22.6 | 0.9 | 8.9 | 747.1 | 12.8 | 6.6 |
| 2021-09-21 05:00 | 21.7 | 0.8 | 9.1 | 777.6 | 13.7 | 7.9 |
| 2021-09-21 04:00 | 31.1 | 1.0 | 8.8 | 804.8 | 11.2 | 6.4 |
| 2021-09-21 03:00 | 31.4 | 3.9 | 9.1 | 775.3 | 10.7 | 6.2 |
| 2021-09-21 02:00 | 30.1 | 5.3 | 9.2 | 779.0 | 14.3 | 8.6 |
| 2021-09-21 01:00 | 39.2 | 2.6 | 9.0 | 825.2 | 17.8 | 10.1 |
| 2021-09-21 00:00 | 44.2 | 0.8 | 9.2 | 840.9 | 18.1 | 10.3 |
| 2021-09-20 23:00 | 49.3 | 0.9 | 9.4 | 841.7 | 20.6 | 13.3 |
| 2021-09-20 22:00 | 55.9 | 0.8 | 10.0 | 829.1 | 17.7 | 11.3 |
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。
