| Date | Value |
|---|---|
| Jul 11, 2024 02:32 | 1500 ppm |
| Jul 4, 2024 17:09 | 1600 ppm |
| Jun 20, 2024 04:40 | 1480 ppm |
| Jun 20, 2024 01:46 | 1400 ppm |
| Jun 11, 2024 16:36 | 1480 ppm |
| Jun 11, 2024 14:36 | 1360 ppm |
| Jun 11, 2024 13:55 | 1280 ppm |
| May 20, 2024 14:25 | 1480 ppm |
| May 15, 2024 14:55 | 1400 ppm |