AURN Monitoring Site Monitoring Data
Chepstow A48 (CHP, an AURN site)
Latitude: 51.638094
Longitude: -2.678731
Date Started: 01/01/2008
Longitude: -2.678731
Date Started: 01/01/2008
Altitude: 67 metres
Inlet Height: 3.5 metres
Environment: Roadside
Inlet Height: 3.5 metres
Environment: Roadside
Switch to Local Authority data
Statistics
Monthly Statistics (monthly averages) for 2026
Sorry no snid found
Annual Statistics for 2026
| Annual Hourly Mean (to date) | Sorry no snid found |
|---|---|
| Max Daily Mean | Sorry no snid found |
| Max Hourly Mean | Sorry no snid found |
Exceedance Statistics for 2026
There are no defined exceedance criteria for this pollutant.