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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: 26/04/2018 06:00 |
n/m | 19 Low (1) | n/m | n/m | 11 Low (1) |
Ballymena Antrim Road Graph Updated: 26/04/2018 06:00 |
n/m | 32 Low (1) | n/m | n/m | n/m |
Ballymena Ballykeel Graph Updated: 26/04/2018 06:00 |
n/m | 6 Low (1) | 3 Low (1) | n/m | 9 Low (1) |
Belfast Centre Graph Updated: 26/04/2018 06:00 |
67 Low (3) | 26 Low (1) | 5 Low (1) | 9 Low (1) | 11 Low (1) |
Belfast Newtownards Road Graph Updated: 26/04/2018 05:00 |
n/m | 11 Low (1) | n/m | n/m | n/m |
Belfast Ormeau Road Graph Updated: 26/04/2018 05:00 |
n/m | 15 Low (1) | n/m | n/m | n/m |
Belfast Stockman's Lane Graph Updated: 26/04/2018 06:00 |
n/m | 35 Low (1) | n/m | n/m | No data |
Belfast Westlink Roden Street Graph Updated: 26/04/2018 05:00 |
n/m | 8 Low (1) | n/m | n/m | n/m |
Castlereagh Dundonald Graph Updated: 26/04/2018 06:00 |
n/m | 25 Low (1) | n/m | n/m | n/m |
Derry Dale's Corner Graph Updated: 26/04/2018 05:00 |
n/m | 6 Low (1) | n/m | n/m | n/m |
Derry Rosemount Graph Updated: 26/04/2018 06:00 |
86 Low (3) | 1 Low (1) | 2 Low (1) | 4 Low (1) | 7 Low (1) |
Downpatrick Roadside Graph Updated: 25/04/2018 24:00 |
n/m | 10 Low (1) | n/m | n/m | n/m |
Limavady Dungiven Graph Updated: 26/04/2018 06:00 |
n/m | 55 Low (1) | n/m | n/m | n/m |
Lisburn Dunmurry Seymour Hill Graph Updated: 26/04/2018 05:00 |
n/m | n/m | 0 Low (1) | n/m | 8 Low (1) |
Lough Navar Graph Updated: 26/04/2018 06:00 |
82 Low (3) | n/m | n/m | n/m | 5 Low (1) |
Newry Canal Street Graph Updated: 26/04/2018 05:00 |
n/m | 2 Low (1) | n/m | n/m | 8 Low (1) |
Newtownabbey Antrim Road Graph Updated: 25/04/2018 06:00 |
n/m | No data | n/m | n/m | n/m |
North Down Holywood A2 Graph Updated: 26/04/2018 05:00 |
n/m | 13 Low (1) | n/m | n/m | 11 Low (1) |
Strabane Springhill Park Graph Updated: 26/04/2018 05:00 |
n/m | n/m | 13 Low (1) | n/m | No data |