| Date | Value |
|---|---|
| Aug 3, 2023 00:50 | 1400 ppm |
| Jun 2, 2023 20:50 | 1440 ppm |
| Apr 9, 2023 23:10 | 1400 ppm |
| Jan 29, 2023 19:09 | 1380 ppm |
| Jan 2, 2023 00:00 | 1400 ppm |
| Dec 27, 2022 01:08 | 1400 ppm |
| Dec 22, 2022 21:35 | 1400 ppm |
| Dec 18, 2022 23:47 | 1400 ppm |
| Dec 14, 2022 20:54 | 1380 ppm |