This website uses cookies to make it simpler. Find out more »

Current levels

Current measured levels are shown in the table below - showing concentrations and, where applicable, the corresponding index and bands.

ยป Switch to the 24 hour summary

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: 26/02/2017 08:00
No data7
Low (1)
No dataNo data17
Low (2)
Ballymena Ballykeel
Graph
Updated: 26/02/2017 09:00
No data3
Low (1)
1
Low (1)
No data21
Low (2)
Belfast Centre
Graph
Updated: 26/02/2017 09:00
73
Low (3)
10
Low (1)
13
Low (1)
8
Low (1)
16
Low (1)
Belfast Newtownards Road
Graph
Updated: 26/02/2017 06:00
No data2
Low (1)
No dataNo dataNo data
Belfast Ormeau Road
Graph
Updated: 26/02/2017 06:00
No dataNo dataNo dataNo dataNo data
Belfast Stockman's Lane
Graph
Updated: 26/02/2017 08:00
No data16
Low (1)
No dataNo data17
Low (2)
Belfast Westlink Roden Street
Graph
Updated: 26/02/2017 06:00
No dataNo dataNo dataNo dataNo data
Castlereagh Dundonald
Graph
Updated: 26/02/2017 07:00
No data2
Low (1)
No dataNo dataNo data
Derry Dale's Corner
Graph
Updated: 26/02/2017 05:00
No data2
Low (1)
No dataNo dataNo data
Derry Rosemount
Graph
Updated: 26/02/2017 09:00
79
Low (3)
3
Low (1)
22
Low (1)
10
Low (1)
14
Low (1)
Downpatrick Roadside
Graph
Updated: 26/02/2017 06:00
No data2
Low (1)
No dataNo dataNo data
Limavady Dungiven
Graph
Updated: 26/02/2017 09:00
No dataNo dataNo dataNo dataNo data
Lisburn Dunmurry Seymour Hill
Graph
Updated: 26/02/2017 09:00
No dataNo dataNo dataNo data12
Low (1)
Lough Navar
Graph
Updated: 26/02/2017 09:00
75
Low (3)
No dataNo dataNo data4
Low (1)
Newry Canal Street
Graph
Updated: 26/02/2017 09:00
No dataNo dataNo dataNo dataNo data
Newtownabbey Antrim Road
Graph
Updated: 26/02/2017 07:00
No data4
Low (1)
No dataNo dataNo data
North Down Holywood A2
Graph
Updated: 26/02/2017 09:00
No dataNo dataNo dataNo data14
Low (1)
Strabane Springhill Park
Graph
Updated: 26/02/2017 07:00
No dataNo data8
Low (1)
No data22
Low (2)

Low 1 2 3

Moderate 4 5 6

High 7 8 9

Very High 10

Find out more about the bands »