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: 21/04/2021 09:00 |
N/M |
33 Low (1) |
N/M | N/M |
25 Low (2) |
|
Ballymena Antrim Road
Graph Updated: 21/04/2021 09:00 |
N/M |
8 Low (1) |
N/M | N/M | N/M |
|
Ballymena Ballykeel
Graph Updated: 21/04/2021 09:00 |
N/M |
10 Low (1) |
5 Low (1) |
N/M |
16 Low (1) |
|
Belfast Centre
Graph Updated: 21/04/2021 09:00 |
40 Low (2) |
18 Low (1) |
4 Low (1) |
10 Low (1) |
18 Low (2) |
|
Belfast Newtownards Road
Graph Updated: 21/04/2021 06:00 |
N/M |
18 Low (1) |
N/M | N/M | N/M |
|
Belfast Ormeau Road
Graph Updated: 21/04/2021 06:00 |
N/M |
15 Low (1) |
N/M | N/M | N/M |
|
Belfast Stockman's Lane
Graph Updated: 21/04/2021 09:00 |
N/M |
30 Low (1) |
N/M | N/M |
27 Low (2) |
|
Belfast Westlink Roden Street
Graph Updated: 21/04/2021 06:00 |
N/M |
70 Low (2) |
N/M | N/M | N/M |
|
Castlereagh Dundonald
Graph Updated: 21/04/2021 09:00 |
N/M |
37 Low (1) |
N/M | N/M | N/M |
|
Derry Dale's Corner
Graph Updated: 21/04/2021 09:00 |
N/M |
63 Low (1) |
N/M | N/M | N/M |
|
Derry Rosemount
Graph Updated: 21/04/2021 09:00 |
45 Low (2) |
21 Low (1) |
18 Low (1) |
7 Low (1) |
19 Low (2) |
|
Downpatrick Roadside
Graph Updated: 21/04/2021 08:00 |
N/M |
111 Low (2) |
N/M | N/M | N/M |
|
Limavady Dungiven
Graph Updated: 21/04/2021 09:00 |
N/M |
42 Low (1) |
N/M | N/M | N/M |
|
Lisburn Dunmurry Seymour Hill
Graph Updated: 21/04/2021 08:00 |
N/M | N/M | - | N/M |
19 Low (2) |
|
Lough Navar
Graph Updated: 21/04/2021 09:00 |
42 Low (2) |
N/M | N/M |
5 Low (1) |
9 Low (1) |
|
Newry Canal Street
Graph Updated: 21/04/2021 08:00 |
N/M |
96 Low (2) |
N/M | N/M |
28 Low (2) |
|
Newtownabbey Antrim Road
Graph Updated: 21/04/2021 09:00 |
N/M |
15 Low (1) |
N/M | N/M | N/M |
|
North Down Holywood A2
Graph Updated: 21/04/2021 09:00 |
N/M |
26 Low (1) |
N/M |
9 Low (1) |
14 Low (1) |
|
Strabane Springhill Park
Graph Updated: 21/04/2021 09:00 |
N/M | N/M |
19 Low (1) |
N/M |
14 Low (1) |
|
Strathfoyle Bawnmore Place
Graph Updated: 21/04/2021 09:00 |
N/M | N/M | N/M | N/M |
22 Low (2) |