Air quality monitoring

The Council is responsible for monitoring air quality so that it can compare the pollution levels in the borough with the national health-based objectives. These are set out within the national Air Quality Strategy which can be found on the Defra website.

The following air pollutants are monitored in the borough:

  • nitrogen dioxide
    (NO2) and nitrogen oxides (NOx)
  • particulate matter (PM10/PM2.5)
  • sulphur dioxide (SO2)
  • ozone (O3
  • carbon monoxide (CO)
  • benzene. 

The following pages contain answers to the following frequently asked questions: 

If you have any queries about air quality monitoring, please contact the Environmental Quality team at

Last updated: 29 November 2019