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 |
|---|---|---|
| Anglesey Brynteg | LOW (Mynega 2) | 20/04/2021 10:00 |
| Anglesey Llynfaes | LOW (Mynega 1) | 20/04/2021 10:00 |
| Anglesey Penhesgyn 3 | LOW (Mynega 1) | 20/04/2021 10:00 |
| Aston Hill | LOW (Mynega 3) | 20/04/2021 13:00 |
| Bridgend Park Street | LOW (Mynega 2) | 20/04/2021 12:00 |
| Caerphilly Blackwood High Street | LOW (Mynega 2) | 20/04/2021 12:00 |
| Caerphilly Fochriw | LOW (Mynega 2) | 20/04/2021 11:00 |
| Caerphilly Islwyn Road Wattsville | LOW (Mynega 1) | 20/04/2021 11:00 |
| Caerphilly White Street | LOW (Mynega 2) | 20/04/2021 12:00 |
| Cardiff Castle Street | LOW (Mynega 2) | 20/04/2021 13:00 |
| Cardiff Centre | LOW (Mynega 2) | 20/04/2021 13:00 |
| Cardiff Newport Road | LOW (Mynega 3) | 20/04/2021 13:00 |
| Chepstow A48 | LOW (Mynega 2) | 20/04/2021 13:00 |
| Cimla Road / Victoria Gardens | LOW (Mynega 1) | 20/04/2021 06:00 |
| Cwmbran Crownbridge | LOW (Mynega 3) | 20/04/2021 13:00 |
| Hafod-yr-ynys Roadside | LOW (Mynega 1) | 20/04/2021 13:00 |
| Marchlyn Mawr | MODERATE (Mynega 4) | 20/04/2021 13:00 |
| Nantgarw Road | LOW (Mynega 1) | 20/04/2021 04:00 |
| Narberth | LOW (Mynega 3) | 20/04/2021 13:00 |
| Newport M4 Junction 25 | LOW (Mynega 2) | 20/04/2021 14:00 |
| Newport St Julians Comp School | LOW (Mynega 2) | 20/04/2021 13:00 |
| Port Talbot Dyffryn School | LOW (Mynega 3) | 20/04/2021 12:00 |
| Port Talbot Little Warren | LOW (Mynega 2) | 20/04/2021 13:00 |
| Port Talbot Margam | MODERATE (Mynega 5) | 20/04/2021 13:00 |
| Port Talbot Prince Street 2 | MODERATE (Mynega 4) | 20/04/2021 13:00 |
| Port Talbot Twll-yn-y-Wal Park | N/A | |
| Rhondda Glyncoch Garth Avenue | LOW (Mynega 2) | 20/04/2021 13:00 |
| Rhondda Mountain Ash | LOW (Mynega 1) | 20/04/2021 12:00 |
| Rhondda Pontypridd Gelliwastad Rd | LOW (Mynega 1) | 20/04/2021 06:00 |
| Rhondda-Cynon-Taf Broadway | LOW (Mynega 1) | 20/04/2021 11:00 |
| Swansea Cwm Level Park | LOW (Mynega 1) | 20/04/2021 12:00 |
| Swansea Hafod DOAS | LOW (Mynega 2) | 20/04/2021 12:00 |
| Swansea Morfa Road NOX | LOW (Mynega 1) | 20/04/2021 12:00 |
| Swansea Morriston Roadside | N/A | |
| Swansea Port Tennant Roadside | LOW (Mynega 1) | 20/04/2021 12:00 |
| Swansea Roadside | LOW (Mynega 3) | 20/04/2021 13:00 |
| Swansea St Thomas DOAS | LOW (Mynega 2) | 20/04/2021 12:00 |
| Swansea Station Court High Street | LOW (Mynega 2) | 20/04/2021 12:00 |
| Twynyrodyn | N/A | |
| Wrexham | LOW (Mynega 2) | 20/04/2021 13:00 |
| Wrexham Chirk | LOW (Mynega 1) | 20/04/2021 13:00 |