Current levels
Current measured levels are shown in the table below - showing concentrations and, where applicable, the corresponding index and bands.
» Switch to the 24 hour summary
Key: n/m : not measured
| Monitoring site | 8 Hour mean Ozone (µgm-3) |
Hourly mean Nitrogen dioxide (µgm-3) |
Max 15 min mean Sulphur dioxide (µgm-3) |
Running 24 Hour mean PM2.5 Particles (µgm-3) |
Running 24 Hour mean PM10 Particles (µgm-3) |
|---|---|---|---|---|---|
|
Armagh Lonsdale Road
Graph Updated: 03/12/2023 19:00 |
N/M |
29 Low (1) |
N/M | N/M |
21 Low (2) |
|
Ballymena Antrim Road
Graph Updated: 03/12/2023 19:00 |
N/M |
47 Low (1) |
N/M | N/M | N/M |
|
Ballymena Ballykeel
Graph Updated: 03/12/2023 18:00 |
N/M |
37 Low (1) |
1 Low (1) |
12 Low (2) |
15 Low (1) |
|
Belfast Centre
Graph Updated: 03/12/2023 19:00 |
23 Low (1) |
44 Low (1) |
3 Low (1) |
20 Low (2) |
23 Low (2) |
|
Belfast Newtownards Road
Graph Updated: 03/12/2023 19:00 |
N/M |
46 Low (1) |
N/M | N/M | N/M |
|
Belfast Ormeau Road
Graph Updated: 03/12/2023 19:00 |
N/M |
33 Low (1) |
N/M | N/M | N/M |
|
Belfast Stockman's Lane
Graph Updated: 03/12/2023 19:00 |
N/M |
51 Low (1) |
N/M | N/M |
29 Low (2) |
|
Belfast Westlink Roden Street
Graph Updated: 03/12/2023 19:00 |
N/M |
88 Low (2) |
N/M | N/M | N/M |
|
Castlereagh Dundonald
Graph Updated: 03/12/2023 15:00 |
N/M |
50 Low (1) |
N/M | N/M | N/M |
|
Derry Dale's Corner
Graph Updated: 03/12/2023 19:00 |
N/M |
101 Low (2) |
N/M | N/M | N/M |
|
Derry Rosemount
Graph Updated: 03/12/2023 19:00 |
13 Low (1) |
43 Low (1) |
38 Low (1) |
27 Low (3) |
27 Low (2) |
|
Downpatrick Roadside
Graph Updated: 03/12/2023 15:00 |
N/M |
54 Low (1) |
N/M | N/M | N/M |
|
Limavady Dungiven
Graph Updated: 03/12/2023 19:00 |
N/M |
92 Low (2) |
N/M | N/M | N/M |
|
Lisburn Dunmurry Seymour Hill
Graph Updated: 03/12/2023 16:00 |
N/M | N/M |
0 Low (1) |
26 Low (3) |
28 Low (2) |
|
Lough Navar
Graph Updated: 03/12/2023 19:00 |
44 Low (2) |
N/M | N/M |
7 Low (1) |
8 Low (1) |
|
Newry Canal Street
Graph Updated: 03/12/2023 19:00 |
N/M |
82 Low (2) |
N/M | N/M |
33 Low (2) |
|
Newtownabbey Antrim Road
Graph Updated: 03/12/2023 19:00 |
N/M |
31 Low (1) |
N/M | N/M | N/M |
|
Newtownstewart
Graph Updated: 03/12/2023 19:00 |
N/M | N/M | N/M |
25 Low (3) |
28 Low (2) |
|
North Down Holywood A2
Graph Updated: 03/12/2023 19:00 |
N/M |
27 Low (1) |
N/M |
17 Low (2) |
21 Low (2) |
|
Strabane Springhill Park
Graph Updated: 03/12/2023 19:00 |
N/M | N/M |
37 Low (1) |
N/A | N/A |
|
Strathfoyle Bawnmore Place
Graph Updated: 03/12/2023 19:00 |
N/M | N/M | N/M |
16 Low (2) |
17 Low (2) |