You are here:

The UK-AIR website uses cookies to make the site simpler. Find out more about cookies

Glossary 

This glossary provides definitions of common terms used in the context of air pollution.

You can navigate quickly to a term using the alphabetic links below; clicking on the terms will show their definition.



0-9

A

B

C

D

E

F

G

H

L

M

N

O

P

R

S

T

V

Z

  • Zones and Agglomerations
    The UK has been divided into zones and agglomerations for the purposes of air pollution monitoring, in accordance with EC Directive 96/62/EC. There are 16 zones. They match:
    1. The boundaries of England's Government Offices for the Regions; and
    2. The boundaries agreed by the Scottish Executive, National Assembly for Wales, and Department of the Environment in Northern Ireland.
    There are 28 agglomerations in the UK. An agglomeration is defined as any urban area with a population greater than 250,000.

Page last modified: 14 February 2011