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: 20/11/2019 24:00 |
N/M |
6 Low (1) |
N/M | N/M |
16 Low (1) |
|
Ballymena Antrim Road
Graph Updated: 20/11/2019 24:00 |
N/M |
13 Low (1) |
N/M | N/M | N/M |
|
Ballymena Ballykeel
Graph Updated: 20/11/2019 24:00 |
N/M |
13 Low (1) |
8 Low (1) |
N/M | - |
|
Belfast Centre
Graph Updated: 20/11/2019 24:00 |
32 Low (1) |
29 Low (1) |
1 Low (1) |
9 Low (1) |
15 Low (1) |
|
Belfast Newtownards Road
Graph Updated: 20/11/2019 17:00 |
N/M |
20 Low (1) |
N/M | N/M | N/M |
|
Belfast Ormeau Road
Graph Updated: 20/11/2019 17:00 |
N/M |
13 Low (1) |
N/M | N/M | N/M |
|
Belfast Stockman's Lane
Graph Updated: 20/11/2019 24:00 |
N/M |
19 Low (1) |
N/M | N/M |
18 Low (2) |
|
Belfast Westlink Roden Street
Graph Updated: 20/11/2019 17:00 |
N/M |
47 Low (1) |
N/M | N/M | N/M |
|
Castlereagh Dundonald
Graph Updated: 20/11/2019 24:00 |
N/M |
11 Low (1) |
N/M | N/M | N/M |
|
Derry Dale's Corner
Graph Updated: 20/11/2019 17:00 |
N/M |
28 Low (1) |
N/M | N/M | N/M |
|
Derry Rosemount
Graph Updated: 20/11/2019 24:00 |
48 Low (2) |
9 Low (1) |
6 Low (1) |
- | - |
|
Downpatrick Roadside
Graph Updated: 20/11/2019 22:00 |
N/M |
31 Low (1) |
N/M | N/M | N/M |
|
Limavady Dungiven
Graph Updated: 20/11/2019 24:00 |
N/M |
4 Low (1) |
N/M | N/M | N/M |
|
Lisburn Dunmurry Seymour Hill
Graph Updated: 20/11/2019 23:00 |
N/M | N/M | - | N/M |
17 Low (2) |
|
Lough Navar
Graph Updated: 20/11/2019 24:00 |
58 Low (2) |
N/M | N/M |
7 Low (1) |
10 Low (1) |
|
Newry Canal Street
Graph Updated: 20/11/2019 16:00 |
N/M |
54 Low (1) |
N/M | N/M |
35 Low (3) |
|
Newtownabbey Antrim Road
Graph Updated: 20/11/2019 23:00 |
N/M |
23 Low (1) |
N/M | N/M | N/M |
|
North Down Holywood A2
Graph Updated: 20/11/2019 23:00 |
N/M |
6 Low (1) |
N/M | N/M |
18 Low (2) |
|
Strabane Springhill Park
Graph Updated: 20/11/2019 08:00 |
N/M | N/M |
6 Low (1) |
N/M |
18 Low (2) |
|
Strathfoyle Bawnmore Place
Graph Updated: |
N/M | N/M | N/M | N/M | N/M |