| Date | Value |
|---|---|
| Jul 10, 2024 23:59 | 0.21 ppm |
| Jul 4, 2024 17:41 | 0.24 ppm |
| Jul 3, 2024 02:53 | 0.30 ppm |
| Jun 20, 2024 02:34 | 0.19 ppm |
| Jun 11, 2024 15:38 | 0.17 ppm |
| Jun 5, 2024 14:04 | 0.09 ppm |
| Jun 4, 2024 15:48 | 0.11 ppm |
| Jun 3, 2024 16:22 | 0.12 ppm |
| Jun 1, 2024 14:06 | 0.32 ppm |
| May 30, 2024 16:42 | 0.27 ppm |
| May 27, 2024 07:23 | 0.60 ppm |
| May 20, 2024 14:17 | 0.27 ppm |
| May 15, 2024 15:13 | 0.22 ppm |