Statistical data set
Figure 12b: Number of monitoring stations in England above and below the AMCT from 2009 to 2025
Updated 30 June 2026
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| Year | Number of sites | Above or below AMCT |
|---|---|---|
| 2009 | 25 | Above AMCT |
| 2009 | 4 | Below AMCT |
| 2010 | 29 | Above AMCT |
| 2010 | 7 | Below AMCT |
| 2011 | 35 | Above AMCT |
| 2011 | 2 | Below AMCT |
| 2012 | 40 | Above AMCT |
| 2012 | 5 | Below AMCT |
| 2013 | 37 | Above AMCT |
| 2013 | 8 | Below AMCT |
| 2014 | 32 | Above AMCT |
| 2014 | 6 | Below AMCT |
| 2015 | 23 | Above AMCT |
| 2015 | 28 | Below AMCT |
| 2016 | 25 | Above AMCT |
| 2016 | 23 | Below AMCT |
| 2017 | 21 | Above AMCT |
| 2017 | 30 | Below AMCT |
| 2018 | 19 | Above AMCT |
| 2018 | 31 | Below AMCT |
| 2019 | 24 | Above AMCT |
| 2019 | 34 | Below AMCT |
| 2020 | 3 | Above AMCT |
| 2020 | 54 | Below AMCT |
| 2021 | 5 | Above AMCT |
| 2021 | 47 | Below AMCT |
| 2022 | 6 | Above AMCT |
| 2022 | 49 | Below AMCT |
| 2023 | 1 | Above AMCT |
| 2023 | 73 | Below AMCT |
| 2024 | 1 | Above AMCT |
| 2024 | 78 | Below AMCT |
| 2025 | 3 | Above AMCT |
| 2025 | 111 | Below AMCT |