Mae’r dudalen hon yn dangos crynodeb o’r safleoedd monitro gweithredol a’r safleoedd monitro sydd wedi cau yng Nghymru.
Crynodeb o’r safleoedd monitro
| Monitoring site | Band/Index | Diweddarwyd diwethaf |
|---|---|---|
| Aston Hill | LOW (Mynega 2) | 26/09/2023 02:00 |
| Bridgend Park Street | LOW (Mynega 3) | 25/09/2023 19:00 |
| Caerphilly Blackwood High Street | LOW (Mynega 2) | 25/09/2023 22:00 |
| Caerphilly Fochriw | LOW (Mynega 2) | 26/09/2023 02:00 |
| Caerphilly Islwyn Road Wattsville | LOW (Mynega 1) | 26/09/2023 03:00 |
| Caerphilly White Street | LOW (Mynega 2) | 25/09/2023 22:00 |
| Cardiff Castle Street | LOW (Mynega 2) | 26/09/2023 03:00 |
| Cardiff Centre | LOW (Mynega 2) | 26/09/2023 02:00 |
| Cardiff Newport Road | LOW (Mynega 2) | 26/09/2023 02:00 |
| Chepstow A48 | LOW (Mynega 2) | 26/09/2023 02:00 |
| Cimla Road / Victoria Gardens | LOW (Mynega 1) | 26/09/2023 02:00 |
| Cwmbran Crownbridge | LOW (Mynega 2) | 25/09/2023 24:00 |
| Hafod-yr-ynys Roadside | N/A | |
| Marchlyn Mawr | LOW (Mynega 3) | 26/09/2023 02:00 |
| Nantgarw Road | LOW (Mynega 1) | 25/09/2023 24:00 |
| Narberth | LOW (Mynega 2) | 26/09/2023 02:00 |
| Newport M4 Junction 25 | LOW (Mynega 2) | 26/09/2023 03:00 |
| Newport St Julians Comp School | LOW (Mynega 2) | 26/09/2023 02:00 |
| Port Talbot Dyffryn School | LOW (Mynega 3) | 26/09/2023 02:00 |
| Port Talbot Little Warren | LOW (Mynega 2) | 26/09/2023 02:00 |
| Port Talbot Margam | N/A | |
| Port Talbot Prince Street 2 | LOW (Mynega 3) | 26/09/2023 02:00 |
| Port Talbot Twll-yn-y-Wal Park | N/A | |
| Rhondda Mountain Ash | N/A | |
| Rhondda Pontypridd Gelliwastad Rd | N/A | |
| Rhondda-Cynon-Taf Broadway | LOW (Mynega 1) | 25/09/2023 19:00 |
| Swansea Cwm Level Park | LOW (Mynega 3) | 25/09/2023 21:00 |
| Swansea Hafod DOAS | LOW (Mynega 2) | 26/09/2023 02:00 |
| Swansea Morfa Road NOX | N/A | |
| Swansea Morriston Roadside | N/A | |
| Swansea Port Tennant Roadside | LOW (Mynega 2) | 25/09/2023 08:00 |
| Swansea Roadside | N/A | |
| Swansea St Thomas DOAS | LOW (Mynega 2) | 26/09/2023 01:00 |
| Swansea Station Court High Street | LOW (Mynega 1) | 25/09/2023 10:00 |
| Twynyrodyn | N/A | |
| Wrexham | LOW (Mynega 1) | 26/09/2023 02:00 |
| Wrexham Chirk | LOW (Mynega 2) | 26/09/2023 03:00 |
| Wrexham Chirk Community Hospital | LOW (Mynega 2) | 26/09/2023 03:00 |