AURN Monitoring Site Monitoring Data
Leominster (LEOM, an AURN site)
Date Started: 18/07/2005
This monitoring site data was last updated: 09/12/2023 11:00
|Ozone (O3)||Low (Index 3)||78 µg/m3||8 Hour mean|
|Nitrogen dioxide (NO2)||Low (Index 1)||1 µg/m3||hourly mean|
|Nitric oxide (NO)||not applicable||1 µg/m3||hourly mean|
|Nitrogen oxides as nitrogen dioxide (NOx as NO2)||not applicable||2 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.