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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: 22/07/2017 11:00
No data18
Low (1)
No dataNo data5
Low (1)
Ballymena Antrim Road
Graph
Updated: 22/07/2017 12:00
No data5
Low (1)
No dataNo dataNo data
Ballymena Ballykeel
Graph
Updated: 22/07/2017 12:00
No data11
Low (1)
1
Low (1)
No data13
Low (1)
Belfast Centre
Graph
Updated: 22/07/2017 12:00
53
Low (2)
9
Low (1)
13
Low (1)
7
Low (1)
8
Low (1)
Belfast Newtownards Road
Graph
Updated: 22/07/2017 05:00
No data13
Low (1)
No dataNo dataNo data
Belfast Ormeau Road
Graph
Updated: 22/07/2017 05:00
No data11
Low (1)
No dataNo dataNo data
Belfast Stockman's Lane
Graph
Updated: 22/07/2017 12:00
No data32
Low (1)
No dataNo data11
Low (1)
Belfast Westlink Roden Street
Graph
Updated: 22/07/2017 05:00
No data36
Low (1)
No dataNo dataNo data
Castlereagh Dundonald
Graph
Updated: 22/07/2017 10:00
No data12
Low (1)
No dataNo dataNo data
Derry Dale's Corner
Graph
Updated: 22/07/2017 11:00
No data34
Low (1)
No dataNo dataNo data
Derry Rosemount
Graph
Updated: 22/07/2017 12:00
49
Low (2)
5
Low (1)
10
Low (1)
3
Low (1)
5
Low (1)
Downpatrick Roadside
Graph
Updated: 22/07/2017 04:00
No data15
Low (1)
No dataNo dataNo data
Limavady Dungiven
Graph
Updated: 22/07/2017 12:00
No data52
Low (1)
No dataNo dataNo data
Lisburn Dunmurry Seymour Hill
Graph
Updated: 22/07/2017 11:00
No dataNo dataNo dataNo data7
Low (1)
Lough Navar
Graph
Updated: 22/07/2017 12:00
49
Low (2)
No dataNo dataNo data4
Low (1)
Newry Canal Street
Graph
Updated: 22/07/2017 11:00
No data8
Low (1)
No dataNo data19
Low (2)
Newtownabbey Antrim Road
Graph
Updated: 22/07/2017 11:00
No data13
Low (1)
No dataNo dataNo data
North Down Holywood A2
Graph
Updated: 22/07/2017 12:00
No data35
Low (1)
No dataNo data10
Low (1)
Strabane Springhill Park
Graph
Updated: 22/07/2017 12:00
No dataNo data16
Low (1)
No data7
Low (1)

Low 1 2 3

Moderate 4 5 6

High 7 8 9

Very High 10

Find out more about the bands »