| Date | Value |
|---|---|
| Jul 15, 2023 18:30 | 0.34 ppm |
| May 29, 2023 08:00 | 0.75 ppm |
| Apr 29, 2023 18:29 | 0.14 ppm |
| Apr 22, 2023 08:01 | 0.18 ppm |
| Mar 5, 2023 11:38 | 0.14 ppm |
| Feb 25, 2023 17:06 | 0.27 ppm |
| Jan 31, 2023 12:21 | 0.34 ppm |
| Jan 14, 2023 10:35 | 0.45 ppm |
| Jan 11, 2023 18:02 | 0.30 ppm |
| Jan 9, 2023 17:49 | 0.55 ppm |
| Jan 8, 2023 17:13 | 0.45 ppm |
| Dec 27, 2022 10:40 | 0.27 ppm |