Glossary
Air Quality and Automobile. Status on Air Quality in Large Cities

Pollution locale; Local pollution

It involves pollutants (NO ₂ , PM...) with direct effects on health and the environment locally.

Pollution globale ou planétaire; Global or planetary pollution

It involves pollutants that are so long-lived that their effects are felt on a planetary scale, such as climate change, depletion of the stratospheric ozone layer and radioactive pollution.

Air Quality; Qualité de l'air

Air quality is a means of characterizing local pollution by measuring the concentration of pollutants in ambient air.

Emission ; Emission

Emissions are the quantities of pollutants released directly into the atmosphere by human activities (factory or housing chimneys,...