24 hour summary

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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: 25/04/2025 15:00
N/M 18
Low (1)
N/M N/M 22
Low (2)
Ballymena Antrim Road
Updated: 25/04/2025 15:00
N/M 18
Low (1)
N/M N/M N/M
Ballymena Ballykeel
Updated:
N/M N/A N/A N/A N/A
Belfast Centre
Updated: 25/04/2025 15:00
62
Low (2)
28
Low (1)
1
Low (1)
19
Low (2)
24
Low (2)
Belfast Newtownards Road
Updated: 25/04/2025 16:00
N/M 26
Low (1)
N/M N/M N/M
Belfast Ormeau Road
Updated: 25/04/2025 16:00
N/M 30
Low (1)
N/M N/M N/M
Belfast Stockman's Lane
Updated: 25/04/2025 15:00
N/M 70
Low (2)
N/M N/M 33
Low (2)
Belfast Westlink Roden Street
Updated: 25/04/2025 15:00
N/M 69
Low (2)
N/M N/M N/M
Castlereagh Dundonald
Updated: 25/04/2025 14:00
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: 25/04/2025 15:00
83
Low (3)
11
Low (1)
5
Low (1)
9
Low (1)
17
Low (2)
Downpatrick Roadside
Updated: 25/04/2025 14:00
N/M 86
Low (2)
N/M N/M N/M
Enniskillen Bowling Green
Updated: 25/04/2025 13:00
N/M N/M N/M 10
Low (1)
16
Low (1)
Limavady Dungiven
Updated: 25/04/2025 16:00
N/M 12
Low (1)
N/M N/M N/M
Lisburn Dunmurry Seymour Hill
Updated: 25/04/2025 14:00
N/M N/M 1
Low (1)
16
Low (2)
20
Low (2)
Lough Navar
Updated: 25/04/2025 15:00
66
Low (2)
N/M N/M 3
Low (1)
3
Low (1)
Newry Canal Street
Updated: 25/04/2025 16:00
N/M 49
Low (1)
N/M N/M 23
Low (2)
Newtownabbey Antrim Road
Updated: 25/04/2025 16:00
N/M 53
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: 25/04/2025 11:00
N/M 21
Low (1)
N/M 19
Low (2)
26
Low (2)
Strabane Springhill Park
Updated:
N/M N/M N/A N/A N/A
Strathfoyle Bawnmore Place
Updated: 25/04/2025 16:00
N/M N/M N/M 12
Low (2)
16
Low (1)
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