The main source of this pollutant is vehicle emissions. We monitor across multiple sites throughout Cheltenham and currently have no exceedances of the government limit of 40 μg/m³.
Air monitoring in Cheltenham
We monitor both nitrogen dioxide and particulate matter locally – the results for this monitoring can be found below.
Particulate matter (PM) is a mixture of tiny solid particles and liquid droplets suspended in the air. We monitor PM levels using our BAM monitors at a site on Gloucester Road, the results of which can be found below.