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: 22/11/2019 24:00 |
N/M |
16 Low (1) |
N/M | N/M |
22 Low (2) |
|
Ballymena Antrim Road
Graph Updated: 23/11/2019 01:00 |
N/M |
9 Low (1) |
N/M | N/M | N/M |
|
Ballymena Ballykeel
Graph Updated: 22/11/2019 24:00 |
N/M |
7 Low (1) |
- | N/M | - |
|
Belfast Centre
Graph Updated: 23/11/2019 01:00 |
26 Low (1) |
23 Low (1) |
1 Low (1) |
12 Low (2) |
19 Low (2) |
|
Belfast Newtownards Road
Graph Updated: 22/11/2019 17:00 |
N/M |
65 Low (1) |
N/M | N/M | N/M |
|
Belfast Ormeau Road
Graph Updated: 22/11/2019 17:00 |
N/M |
49 Low (1) |
N/M | N/M | N/M |
|
Belfast Stockman's Lane
Graph Updated: 22/11/2019 24:00 |
N/M |
19 Low (1) |
N/M | N/M |
16 Low (1) |
|
Belfast Westlink Roden Street
Graph Updated: 22/11/2019 17:00 |
N/M |
86 Low (2) |
N/M | N/M | N/M |
|
Castlereagh Dundonald
Graph Updated: 23/11/2019 02:00 |
N/M |
11 Low (1) |
N/M | N/M | N/M |
|
Derry Dale's Corner
Graph Updated: 22/11/2019 17:00 |
N/M |
76 Low (2) |
N/M | N/M | N/M |
|
Derry Rosemount
Graph Updated: 23/11/2019 01:00 |
22 Low (1) |
22 Low (1) |
9 Low (1) |
13 Low (2) |
13 Low (1) |
|
Downpatrick Roadside
Graph Updated: 23/11/2019 02:00 |
N/M |
17 Low (1) |
N/M | N/M | N/M |
|
Limavady Dungiven
Graph Updated: 23/11/2019 02:00 |
N/M |
2 Low (1) |
N/M | N/M | N/M |
|
Lisburn Dunmurry Seymour Hill
Graph Updated: 22/11/2019 20:00 |
N/M | N/M | - | N/M |
19 Low (2) |
|
Lough Navar
Graph Updated: 23/11/2019 01:00 |
39 Low (2) |
N/M | N/M |
10 Low (1) |
13 Low (1) |
|
Newry Canal Street
Graph Updated: 22/11/2019 23:00 |
N/M |
57 Low (1) |
N/M | N/M |
27 Low (2) |
|
Newtownabbey Antrim Road
Graph Updated: 23/11/2019 01:00 |
N/M |
10 Low (1) |
N/M | N/M | N/M |
|
North Down Holywood A2
Graph Updated: 22/11/2019 24:00 |
N/M |
-2 Low (1) |
N/M | N/M |
21 Low (2) |
|
Strabane Springhill Park
Graph Updated: 22/11/2019 08:00 |
N/M | N/M |
5 Low (1) |
N/M |
27 Low (2) |
|
Strathfoyle Bawnmore Place
Graph Updated: |
N/M | N/M | N/M | N/M | N/M |