AURN Monitoring Site Monitoring Data

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Ballymena Ballykeel (BALM, an AURN site)

Latitude: 54.861595
Longitude: -6.250873
Date Started: 01/01/2010
Altitude: 59 metres
Environment: Urban Background

Latest Data

This monitoring site data was last updated: 13/12/2025 01:00

Parameter Pollution Band Concentration Period
Nitrogen dioxide (NO2) Low (Index 1) 7 µg/m3 hourly mean
Sulphur dioxide (SO2) Low (Index 1) 4 µg/m3 15 Minute mean
Nitric oxide (NO) not applicable 1 µg/m3 hourly mean
Nitrogen oxides as nitrogen dioxide (NOx as NO2) not applicable 7 µg/m3 hourly mean

Note: Values are based on provisional data. Data are GMT hour ending.
PM10 is measured as a running 24 hour mean, up to the current hour, and the band/index is calculated accordingly.

Map showing the location of the Ballymena Ballykeel monitoring site