The mass of air surrounding the Earth.

Anthropogenic

Where a local authority has set up an AQMA, it must produce an action plan setting out the measures it intends to take in the designated area.

Objectives for air pollution are concentrations over a given time period that are acceptable in terms of their effect on health and the environment. They can also be used as indicators to see if air p [..]

An area which a local authority had designated for action, based upon a prediction that Air Quality Objectives will be exceeded.

A lung condition characterised by inflammation and spasm of the airways. This causes intermittent breathing problems such as coughing, wheezing and shortness of breath. Asthma can be triggered by infe [..]

Any substance in the air that could, in high enough concentration, harm humans, animals, or plant life.

The biosphere is the part of the earth and its atmosphere in which living organisms exist. It includes everything living on Earth, including humans, animals, and insects. In other words, the biosphere [..]

A chemical process in which a substance reacts with oxygen to give heat and light in the form of either a glow or flames.

Light that is produced as the result of a chemical reaction.