24 hour summary

Switch to the current levels summary

Key

N/D
Data not available
N/M
Data not measured
Air pollution levels for the last 24 hours
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
Updated: 04/07/2025 01:00
N/M 28
Low (1)
N/M N/M 16
Low (1)
Ballymena Antrim Road
Updated: 04/07/2025 01:00
N/M 20
Low (1)
N/M N/M N/M
Ballymena Ballykeel
Updated: 04/07/2025 01:00
N/M 13
Low (1)
2
Low (1)
N/A N/A
Belfast Centre
Updated: 04/07/2025 01:00
38
Low (2)
28
Low (1)
1
Low (1)
5
Low (1)
10
Low (1)
Belfast Newtownards Road
Updated: 04/07/2025 02:00
N/M 22
Low (1)
N/M N/M N/M
Belfast Stockman's Lane
Updated: 04/07/2025 01:00
N/M 67
Low (1)
N/M N/M 17
Low (2)
Belfast Westlink Roden Street
Updated: 04/07/2025 02:00
N/M 34
Low (1)
N/M N/M N/M
Castlederg
Updated: 04/07/2025 02:00
N/M N/M N/M 6
Low (1)
10
Low (1)
Castlereagh Dundonald
Updated: 03/07/2025 24:00
N/M 26
Low (1)
N/M N/M N/M
Derry Dale's Corner
Updated:
N/M N/A N/M N/M N/M
Derry Rosemount
Updated: 04/07/2025 01:00
53
Low (2)
4
Low (1)
1
Low (1)
3
Low (1)
9
Low (1)
Downpatrick Roadside
Updated: 03/07/2025 05:00
N/M 41
Low (1)
N/M N/M N/M
Enniskillen Bowling Green
Updated: 03/07/2025 21:00
N/M N/M N/M 5
Low (1)
10
Low (1)
Limavady Dungiven
Updated: 04/07/2025 02:00
N/M 13
Low (1)
N/M 5
Low (1)
10
Low (1)
Lisburn Dunmurry Seymour Hill
Updated: 03/07/2025 24:00
N/M N/M 1
Low (1)
4
Low (1)
8
Low (1)
Lough Navar
Updated: 04/07/2025 01:00
43
Low (2)
N/M N/M 4
Low (1)
7
Low (1)
Newry Canal Street
Updated: 04/07/2025 01:00
N/M 16
Low (1)
N/M N/M 12
Low (1)
Newtownabbey Antrim Road
Updated: 04/07/2025 02:00
N/M 55
Low (1)
N/M N/M N/M
Newtownstewart
Updated:
N/M N/M N/M N/A N/A
North Down Holywood A2
Updated: 03/07/2025 24:00
N/M 31
Low (1)
N/M 5
Low (1)
11
Low (1)
Strabane Springhill Park
Updated: 03/07/2025 09:00
N/M N/M 4
Low (1)
N/A N/A
Strathfoyle Bawnmore Place
Updated: 04/07/2025 02:00
N/M N/M N/M 4
Low (1)
7
Low (1)
Find out more about the bands