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: 09/06/2025 18:00
N/M 36
Low (1)
N/M N/M 30
Low (2)
Ballymena Antrim Road
Updated: 09/06/2025 18:00
N/M 29
Low (1)
N/M N/M N/M
Ballymena Ballykeel
Updated:
N/M N/A N/A N/A N/A
Belfast Centre
Updated: 09/06/2025 18:00
61
Low (2)
29
Low (1)
1
Low (1)
30
Low (3)
36
Low (3)
Belfast Newtownards Road
Updated: 10/06/2025 06:00
N/M 34
Low (1)
N/M N/M N/M
Belfast Ormeau Road
Updated:
N/M N/A N/M N/M N/M
Belfast Stockman's Lane
Updated: 09/06/2025 18:00
N/M 66
Low (1)
N/M N/M 37
Low (3)
Belfast Westlink Roden Street
Updated: 10/06/2025 05:00
N/M 20
Low (1)
N/M N/M N/M
Castlereagh Dundonald
Updated: 10/06/2025 05:00
N/M 29
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: 09/06/2025 18:00
75
Low (3)
10
Low (1)
2
Low (1)
1
Low (1)
29
Low (2)
Downpatrick Roadside
Updated: 10/06/2025 05:00
N/M 57
Low (1)
N/M N/M N/M
Enniskillen Bowling Green
Updated: 10/06/2025 05:00
N/M N/M N/M 16
Low (2)
20
Low (2)
Limavady Dungiven
Updated: 10/06/2025 05:00
N/M 45
Low (1)
N/M 21
Low (2)
26
Low (2)
Lisburn Dunmurry Seymour Hill
Updated: 10/06/2025 05:00
N/M N/M 2
Low (1)
21
Low (2)
25
Low (2)
Lough Navar
Updated: 09/06/2025 18:00
61
Low (2)
N/M N/M 26
Low (3)
30
Low (2)
Newry Canal Street
Updated: 10/06/2025 04:00
N/M 37
Low (1)
N/M N/M 19
Low (2)
Newtownabbey Antrim Road
Updated: 10/06/2025 05:00
N/M 70
Low (2)
N/M N/M N/M
Newtownstewart
Updated:
N/M N/M N/M N/A N/A
North Down Holywood A2
Updated: 10/06/2025 05:00
N/M 43
Low (1)
N/M 24
Low (3)
29
Low (2)
Strabane Springhill Park
Updated:
N/M N/M N/A N/A N/A
Strathfoyle Bawnmore Place
Updated: 10/06/2025 06:00
N/M N/M N/M 20
Low (2)
24
Low (2)
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