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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: 18/12/2018 22:00
n/m32
Low (1)
n/mn/m11
Low (1)
Ballymena Antrim Road
Graph
Updated: 18/12/2018 22:00
n/m33
Low (1)
n/mn/mn/m
Ballymena Ballykeel
Graph
Updated: 18/12/2018 22:00
n/m15
Low (1)
5
Low (1)
n/mNo data
Belfast Centre
Graph
Updated: 18/12/2018 22:00
19
Low (1)
57
Low (1)
14
Low (1)
11
Low (1)
16
Low (1)
Belfast Newtownards Road
Graph
Updated: 18/12/2018 15:00
n/m38
Low (1)
n/mn/mn/m
Belfast Ormeau Road
Graph
Updated: 18/12/2018 15:00
n/m36
Low (1)
n/mn/mn/m
Belfast Stockman's Lane
Graph
Updated: 18/12/2018 22:00
n/m101
Low (2)
n/mn/m13
Low (1)
Belfast Westlink Roden Street
Graph
Updated: 18/12/2018 15:00
n/m31
Low (1)
n/mn/mn/m
Castlereagh Dundonald
Graph
Updated: 18/12/2018 22:00
n/m19
Low (1)
n/mn/mn/m
Derry Dale's Corner
Graph
Updated: 18/12/2018 18:00
n/m40
Low (1)
n/mn/mn/m
Derry Rosemount
Graph
Updated: 18/12/2018 22:00
64
Low (2)
12
Low (1)
7
Low (1)
7
Low (1)
8
Low (1)
Downpatrick Roadside
Graph
Updated: 18/12/2018 22:00
n/m46
Low (1)
n/mn/mn/m
Limavady Dungiven
Graph
Updated: 18/12/2018 22:00
n/m12
Low (1)
n/mn/mn/m
Lisburn Dunmurry Seymour Hill
Graph
Updated: 18/12/2018 20:00
n/mn/m0
Low (1)
n/m13
Low (1)
Lough Navar
Graph
Updated: 18/12/2018 22:00
61
Low (2)
n/mn/m2
Low (1)
4
Low (1)
Newry Canal Street
Graph
Updated: 18/12/2018 05:00
n/m2
Low (1)
n/mn/m16
Low (1)
Newtownabbey Antrim Road
Graph
Updated: 18/12/2018 12:00
n/mNo datan/mn/mn/m
North Down Holywood A2
Graph
Updated: 18/12/2018 22:00
n/m44
Low (1)
n/mn/m22
Low (2)
Strabane Springhill Park
Graph
Updated: 18/12/2018 13:00
n/mn/m3
Low (1)
n/m15
Low (1)

Low 1 2 3

Moderate 4 5 6

High 7 8 9

Very High 10

Find out more about the bands »