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Air quality and aerosol metrology

UK ambient air quality networks

Novel analysis of air quality data

NPL operates three UK ambient air quality networks for the Environment Agency, which manages their delivery for the Department for Environment Food and Rural Affairs (Defra): the Heavy Metals Network, the Particle Numbers and Concentrations Network and the Black Carbon Network.

Find out more about our air quality networks 

In addition to the routine operation of the networks, NPL also inputs into relevant CEN standardisation committees and delivers research to maximise the value of the data generated by the network. Examples of published research using network data includes:


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