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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: 22/02/2018 15:00
n/m59
Low (1)
n/mn/m43
Low (3)
Ballymena Antrim Road
Graph
Updated: 22/02/2018 07:00
n/mNo datan/mn/mn/m
Ballymena Ballykeel
Graph
Updated: 22/02/2018 15:00
n/m21
Low (1)
8
Low (1)
n/mNo data
Belfast Centre
Graph
Updated: 22/02/2018 14:00
24
Low (1)
41
Low (1)
4
Low (1)
10
Low (1)
22
Low (2)
Belfast Newtownards Road
Graph
Updated: 22/02/2018 15:00
n/m23
Low (1)
n/mn/mn/m
Belfast Ormeau Road
Graph
Updated: 22/02/2018 15:00
n/m34
Low (1)
n/mn/mn/m
Belfast Stockman's Lane
Graph
Updated: 22/02/2018 15:00
n/m68
Low (2)
n/mn/m28
Low (2)
Belfast Westlink Roden Street
Graph
Updated: 22/02/2018 15:00
n/m19
Low (1)
n/mn/mn/m
Castlereagh Dundonald
Graph
Updated: 22/02/2018 14:00
n/m28
Low (1)
n/mn/mn/m
Derry Dale's Corner
Graph
Updated: 22/02/2018 15:00
n/m38
Low (1)
n/mn/mn/m
Derry Rosemount
Graph
Updated: 22/02/2018 15:00
55
Low (2)
11
Low (1)
2
Low (1)
13
Low (2)
16
Low (1)
Downpatrick Roadside
Graph
Updated: 22/02/2018 16:00
n/m90
Low (2)
n/mn/mn/m
Limavady Dungiven
Graph
Updated: 22/02/2018 12:00
n/mNo datan/mn/mn/m
Lisburn Dunmurry Seymour Hill
Graph
Updated: 22/02/2018 09:00
n/mn/m0
Low (1)
n/m18
Low (2)
Lough Navar
Graph
Updated: 22/02/2018 15:00
56
Low (2)
n/mn/mn/m11
Low (1)
Newry Canal Street
Graph
Updated: 22/02/2018 15:00
n/m40
Low (1)
n/mn/m29
Low (2)
Newtownabbey Antrim Road
Graph
Updated: 22/02/2018 07:00
n/mNo datan/mn/mn/m
North Down Holywood A2
Graph
Updated: 22/02/2018 14:00
n/m26
Low (1)
n/mn/m23
Low (2)
Strabane Springhill Park
Graph
Updated: 22/02/2018 15:00
n/mn/m5
Low (1)
n/m16
Low (1)

Low 1 2 3

Moderate 4 5 6

High 7 8 9

Very High 10

Find out more about the bands »