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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: 20/01/2017 13:00
No data37
Low (1)
No dataNo data26
Low (2)
Ballymena Ballykeel
Graph
Updated: 20/01/2017 15:00
No data42
Low (1)
3
Low (1)
No data24
Low (2)
Belfast Centre
Graph
Updated: 20/01/2017 15:00
22
Low (1)
39
Low (1)
1
Low (1)
14
Low (2)
16
Low (1)
Belfast Newtownards Road
Graph
Updated: 20/01/2017 06:00
No data15
Low (1)
No dataNo dataNo data
Belfast Ormeau Road
Graph
Updated: 20/01/2017 02:00
No data23
Low (1)
No dataNo dataNo data
Belfast Stockman's Lane
Graph
Updated: 20/01/2017 13:00
No data62
Low (1)
No dataNo data37
Low (3)
Belfast Westlink Roden Street
Graph
Updated: 20/01/2017 06:00
No data4
Low (1)
No dataNo dataNo data
Castlereagh Dundonald
Graph
Updated: 20/01/2017 07:00
No data27
Low (1)
No dataNo dataNo data
Derry Dale's Corner
Graph
Updated: 20/01/2017 05:00
No data40
Low (1)
No dataNo dataNo data
Derry Rosemount
Graph
Updated: 20/01/2017 15:00
25
Low (1)
18
Low (1)
17
Low (1)
30
Low (3)
33
Low (2)
Downpatrick Roadside
Graph
Updated: 20/01/2017 12:00
No data86
Low (2)
No dataNo dataNo data
Limavady Dungiven
Graph
Updated: 20/01/2017 15:00
No dataNo dataNo dataNo dataNo data
Lisburn Dunmurry Seymour Hill
Graph
Updated: 20/01/2017 14:00
No dataNo dataNo dataNo data13
Low (1)
Lough Navar
Graph
Updated: 20/01/2017 15:00
40
Low (2)
No dataNo dataNo data5
Low (1)
Newry Canal Street
Graph
Updated: 20/01/2017 12:00
No dataNo dataNo dataNo data22
Low (2)
Newtownabbey Antrim Road
Graph
Updated: 20/01/2017 12:00
No data48
Low (1)
No dataNo dataNo data
North Down Holywood A2
Graph
Updated: 20/01/2017 15:00
No data52
Low (1)
No dataNo dataNo data
Strabane Springhill Park
Graph
Updated: 20/01/2017 07:00
No dataNo data3
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 »