| Date | Value |
|---|---|
| Dec 13, 2022 17:51 | 440 ppm |
| Dec 5, 2022 14:00 | 440 ppm |
| Nov 28, 2022 00:52 | 440 ppm |
| Nov 23, 2022 02:46 | 440 ppm |
| Nov 20, 2022 01:05 | 440 ppm |
| Nov 16, 2022 01:31 | 400 ppm |
| Nov 10, 2022 00:36 | 440 ppm |
| Nov 1, 2022 21:37 | 440 ppm |
| Oct 25, 2022 21:37 | 240 ppm |