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Monitoring site summary

This page shows a summary of the active and closed monitoring sites in Wales.

Monitoring site Band/Index Last updated
Aston Expressway A494 Deeside LOW (Index 1) 18/10/2025 05:00
Aston Hill LOW (Index 2) 18/10/2025 05:00
Caerphilly Islwyn Road Wattsville N/A
Caerphilly White Street LOW (Index 2) 18/10/2025 05:00
Cardiff Castle Street N/A
Cardiff Centre LOW (Index 2) 18/10/2025 05:00
Cardiff Newport Road LOW (Index 2) 18/10/2025 05:00
Chepstow A48 LOW (Index 2) 18/10/2025 05:00
Cimla Road / Victoria Gardens N/A
Cwmbran Crownbridge LOW (Index 2) 18/10/2025 05:00
Hafod-yr-ynys Hill Roadside LOW (Index 1) 18/10/2025 05:00
Marchlyn Mawr LOW (Index 3) 18/10/2025 05:00
Nantgarw Road LOW (Index 1) 17/10/2025 20:00
Narberth N/A
Newport M4 Junction 25 N/A
Newport M4 Junction 25 West LOW (Index 1) 18/10/2025 05:00
Newport St Julians Comp School LOW (Index 2) 18/10/2025 05:00
Port Talbot Dyffryn School LOW (Index 1) 18/10/2025 05:00
Port Talbot Little Warren LOW (Index 1) 18/10/2025 05:00
Port Talbot M4 Junction 41 LOW (Index 1) 18/10/2025 05:00
Port Talbot Margam LOW (Index 2) 18/10/2025 05:00
Port Talbot Prince Street 2 LOW (Index 1) 18/10/2025 05:00
Rhondda Glyncoch Garth Avenue N/A
Rhondda Mountain Ash N/A
Rhondda Pontypridd Gelliwastad Rd N/A
Rhondda-Cynon-Taf Broadway N/A
Rhondda-Cynon-Taf Pontypridd A470 LOW (Index 1) 18/10/2025 05:00
Swansea Cwm Level Park N/A
Swansea Hafod DOAS N/A
Swansea Morfa Road NOX N/A
Swansea Morriston Roadside N/A
Swansea Port Tennant Roadside N/A
Swansea Roadside LOW (Index 1) 18/10/2025 05:00
Swansea St Thomas DOAS N/A
Swansea Station Court High Street N/A
Wrexham LOW (Index 2) 18/10/2025 05:00
Wrexham A483 LOW (Index 1) 18/10/2025 05:00
Wrexham Chirk LOW (Index 2) 18/10/2025 05:00
Wrexham Chirk Community Hospital LOW (Index 1) 18/10/2025 05:00