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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

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: 24/09/2017 07:00
n/m7
Low (1)
n/mn/m4
Low (1)
Ballymena Antrim Road
Graph
Updated: 24/09/2017 07:00
n/m24
Low (1)
n/mn/mn/m
Ballymena Ballykeel
Graph
Updated: 24/09/2017 07:00
n/m9
Low (1)
2
Low (1)
n/m18
Low (2)
Belfast Centre
Graph
Updated: 24/09/2017 07:00
61
Low (2)
19
Low (1)
3
Low (1)
9
Low (1)
21
Low (2)
Belfast Newtownards Road
Graph
Updated: 24/09/2017 04:00
n/m2
Low (1)
n/mn/mn/m
Belfast Ormeau Road
Graph
Updated: 24/09/2017 05:00
n/m4
Low (1)
n/mn/mn/m
Belfast Stockman's Lane
Graph
Updated: 24/09/2017 07:00
n/m49
Low (1)
n/mn/m25
Low (2)
Belfast Westlink Roden Street
Graph
Updated: 24/09/2017 05:00
n/m4
Low (1)
n/mn/mn/m
Castlereagh Dundonald
Graph
Updated: 24/09/2017 07:00
n/m16
Low (1)
n/mn/mn/m
Derry Dale's Corner
Graph
Updated: 24/09/2017 04:00
n/m8
Low (1)
n/mn/mn/m
Derry Rosemount
Graph
Updated: 24/09/2017 07:00
53
Low (2)
6
Low (1)
No data4
Low (1)
6
Low (1)
Downpatrick Roadside
Graph
Updated: 24/09/2017 04:00
n/m11
Low (1)
n/mn/mn/m
Limavady Dungiven
Graph
Updated: 24/09/2017 08:00
n/m54
Low (1)
n/mn/mn/m
Lisburn Dunmurry Seymour Hill
Graph
Updated: 24/09/2017 02:00
n/mn/m0
Low (1)
n/m16
Low (1)
Lough Navar
Graph
Updated: 24/09/2017 07:00
27
Low (1)
n/mn/mn/m5
Low (1)
Newry Canal Street
Graph
Updated: 24/09/2017 04:00
n/m6
Low (1)
n/mn/m17
Low (2)
Newtownabbey Antrim Road
Graph
Updated: 24/09/2017 06:00
n/m17
Low (1)
n/mn/mn/m
North Down Holywood A2
Graph
Updated: 24/09/2017 07:00
n/m3
Low (1)
n/mn/m18
Low (2)
Strabane Springhill Park
Graph
Updated: 24/09/2017 04:00
n/mn/m13
Low (1)
n/m9
Low (1)

Low 1 2 3

Moderate 4 5 6

High 7 8 9

Very High 10

Find out more about the bands »