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.

Glossary 

• 0-9
• A
• B
• C
• D
• E
• F
• G
• H
• L
• M
• N
• O
• P
• R
• S
• T
• V
• Z

0-9

• 1,3-Butadiene (C₄H₆)

A

• Acid Deposition
• Acid Rain
• Air Pollution Bandings
• Air Pollution Bulletins
• Air Pollution Index
• Air Pollution Information Service
• Air Quality Management Area (AQMA)
• Air Quality Objectives
• Air Quality Standards
• Air Quality Strategy
• Ambient Air
• Annual Mean
• Automatic Monitoring

B

• BAM (Beta Attenuation Mass Monitor)
• Benzene (C₆H₆)
• Black Smoke

C

• Carbon Monoxide (CO)
• COMEAP

D

• Data Capture
• Days with Exceedences
• Deposition
• Diffusion Tube Samplers
• Dispersion model

E

• EMEP (Co-operative Programme for Monitoring and Evaluation of the Long-Range Transmission ofAir pollutants in Europe)
• Emission Factor
• Emission Inventories
  Emissions inventories estimate the amount and the pollutants that are emitted to the air each year from all sources. There are many sources of air pollution, including traffic, household heating, agriculture and industrial processes. The UK National Atmospheric Emissions Inventory (NAEI) can be accessed: http://www.naei.org.uk/
• EPAQS
• EU Directives
• Exceedence

F

• FDMS

G

• Global Warming
• Gravimetric Equivalent PM₁₀ Data
• Greenhouse Gases

H

• Hydrocarbons

L

• Local Air Quality Action Plan
• Local Air Quality Management (LAQM)

M

• Maximum hourly average
• Microgrammes per cubic metre (µg/m³)

N

• National Atmospheric Emissions Inventory (NAEI).
• National Statistics

O

• Oxides of Nitrogen (NO_X)
• Ozone (O₃)

P

• PAHs
• Particulate matter (PM)
• Parts per billion, ppb
• Parts per million, ppm
• Percentile
• POPs

R

• Running mean

S

• Sulphur Dioxide (SO₂)

T

• TEOM
• TOMPS
• Trajectory Model

V

• Volatile organic compounds (VOCs)

Z

• Zones and Agglomerations