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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: 26/05/2017 03:00
No data12
Low (1)
No dataNo data16
Low (1)
Ballymena Antrim Road
Graph
Updated: 26/05/2017 05:00
No data22
Low (1)
No dataNo dataNo data
Ballymena Ballykeel
Graph
Updated: 26/05/2017 04:00
No data24
Low (1)
1
Low (1)
No data24
Low (2)
Belfast Centre
Graph
Updated: 26/05/2017 05:00
48
Low (2)
58
Low (1)
18
Low (1)
19
Low (2)
21
Low (2)
Belfast Newtownards Road
Graph
Updated: 26/05/2017 05:00
No data31
Low (1)
No dataNo dataNo data
Belfast Ormeau Road
Graph
Updated: 26/05/2017 05:00
No data52
Low (1)
No dataNo dataNo data
Belfast Stockman's Lane
Graph
Updated: 26/05/2017 04:00
No data44
Low (1)
No dataNo data25
Low (2)
Belfast Westlink Roden Street
Graph
Updated: 26/05/2017 05:00
No data54
Low (1)
No dataNo dataNo data
Castlereagh Dundonald
Graph
Updated: 26/05/2017 05:00
No dataNo dataNo dataNo dataNo data
Derry Dale's Corner
Graph
Updated: 26/05/2017 05:00
No data54
Low (1)
No dataNo dataNo data
Derry Rosemount
Graph
Updated: 26/05/2017 04:00
79
Low (3)
6
Low (1)
24
Low (1)
11
Low (1)
13
Low (1)
Downpatrick Roadside
Graph
Updated: 26/05/2017 04:00
No data11
Low (1)
No dataNo dataNo data
Limavady Dungiven
Graph
Updated: 26/05/2017 05:00
No dataNo dataNo dataNo dataNo data
Lisburn Dunmurry Seymour Hill
Graph
Updated: 26/05/2017 05:00
No dataNo dataNo dataNo data19
Low (2)
Lough Navar
Graph
Updated: 26/05/2017 05:00
50
Low (2)
No dataNo dataNo data12
Low (1)
Newry Canal Street
Graph
Updated: 26/05/2017 05:00
No data50
Low (1)
No dataNo data22
Low (2)
Newtownabbey Antrim Road
Graph
Updated: 26/05/2017 01:00
No data46
Low (1)
No dataNo dataNo data
North Down Holywood A2
Graph
Updated: 26/05/2017 04:00
No data16
Low (1)
No dataNo data24
Low (2)
Strabane Springhill Park
Graph
Updated: 26/05/2017 05:00
No dataNo data5
Low (1)
No data32
Low (2)

Low 1 2 3

Moderate 4 5 6

High 7 8 9

Very High 10

Find out more about the bands »