Local Authority Details
CSV data files for Chepstow A48 monitoring site
Listed below are links to CSV data files for Chepstow A48. These files contain one year's automatic monitoring data and are updated daily. There are two formats to the files, firstly a file containing all pollutants measured at the site for each year followed by pollutant specific data files grouped by monitoring network.
To get the very latest data for Chepstow A48 use the Data Selector.
| 2024 (CSV) | 2023 (CSV) | 2022 (CSV) | 2021 (CSV) | 2020 (CSV) | 2019 (CSV) | 2018 (CSV) | 2017 (CSV) |
| 2016 (CSV) | 2015 (CSV) | 2014 (CSV) | 2013 (CSV) | 2012 (CSV) | 2011 (CSV) | 2010 (CSV) | 2009 (CSV) |
| 2008 (CSV) |
| Nitric oxide | Nitrogen dioxide | Nitrogen oxides as nitrogen dioxide | PM10 particulate matter (Hourly measured) | Non-volatile PM10 (Hourly measured) | Volatile PM10 (Hourly measured) | PM2.5 particulate matter (Hourly measured) | Non-volatile PM2.5 (Hourly measured) | Volatile PM2.5 (Hourly measured) |
|---|---|---|---|---|---|---|---|---|
| 2024 (CSV) | 2024 (CSV) | 2024 (CSV) | 2024 (CSV) | 2024 (CSV) | ||||
| 2023 (CSV) | 2023 (CSV) | 2023 (CSV) | 2023 (CSV) | 2023 (CSV) | ||||
| 2022 (CSV) | 2022 (CSV) | 2022 (CSV) | 2022 (CSV) | 2022 (CSV) | ||||
| 2021 (CSV) | 2021 (CSV) | 2021 (CSV) | 2021 (CSV) | 2021 (CSV) | ||||
| 2020 (CSV) | 2020 (CSV) | 2020 (CSV) | 2020 (CSV) | 2020 (CSV) | ||||
| 2019 (CSV) | 2019 (CSV) | 2019 (CSV) | 2019 (CSV) | 2019 (CSV) | ||||
| 2018 (CSV) | 2018 (CSV) | 2018 (CSV) | 2018 (CSV) | 2018 (CSV) | 2018 (CSV) | 2018 (CSV) | 2018 (CSV) | 2018 (CSV) |
| 2017 (CSV) | 2017 (CSV) | 2017 (CSV) | 2017 (CSV) | 2017 (CSV) | 2017 (CSV) | 2017 (CSV) | 2017 (CSV) | 2017 (CSV) |
| 2016 (CSV) | 2016 (CSV) | 2016 (CSV) | 2016 (CSV) | 2016 (CSV) | 2016 (CSV) | 2016 (CSV) | 2016 (CSV) | 2016 (CSV) |
| 2015 (CSV) | 2015 (CSV) | 2015 (CSV) | 2015 (CSV) | 2015 (CSV) | 2015 (CSV) | 2015 (CSV) | 2015 (CSV) | 2015 (CSV) |
| 2014 (CSV) | 2014 (CSV) | 2014 (CSV) | 2014 (CSV) | 2014 (CSV) | 2014 (CSV) | 2014 (CSV) | 2014 (CSV) | 2014 (CSV) |
| 2013 (CSV) | 2013 (CSV) | 2013 (CSV) | 2013 (CSV) | 2013 (CSV) | 2013 (CSV) | 2013 (CSV) | 2013 (CSV) | 2013 (CSV) |
| 2012 (CSV) | 2012 (CSV) | 2012 (CSV) | 2012 (CSV) | 2012 (CSV) | 2012 (CSV) | 2012 (CSV) | 2012 (CSV) | 2012 (CSV) |
| 2011 (CSV) | 2011 (CSV) | 2011 (CSV) | 2011 (CSV) | 2011 (CSV) | 2011 (CSV) | 2011 (CSV) | 2011 (CSV) | 2011 (CSV) |
| 2010 (CSV) | 2010 (CSV) | 2010 (CSV) | 2010 (CSV) | 2010 (CSV) | 2010 (CSV) | 2010 (CSV) | 2010 (CSV) | 2010 (CSV) |
| 2009 (CSV) | 2009 (CSV) | 2009 (CSV) | 2009 (CSV) | |||||
| 2008 (CSV) | 2008 (CSV) | 2008 (CSV) | 2008 (CSV) |