Air pollution

Air pollution

Air pollution is the introduction of chemicals, particulates or biological materials into the atmosphere which cause damage to the natural environment and have adverse health affects on organisms.

Industry: Pollution control

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Air pollution

Airborne toxic control measure (ATCM)

Pollution control; Air pollution

A control measure adopted by the ARB (Health and Safety Code Section 39666 et seq. ), which reduces emissions of toxic air contaminants. For more information please see our ATCM top page.

Acid deposition

Pollution control; Air pollution

A comprehensive term for the various ways acidic compounds precipitate from the atmosphere and deposit onto surfaces. It can include: 1) wet deposition by means of acid rain, fog, and snow; and 2) ...

Smog

Pollution control; Air pollution

A combination of smoke and other particulates, ozone, hydrocarbons, nitrogen oxides, and other chemically reactive compounds which, under certain conditions of weather and sunlight, may result in a ...

Smoke

Pollution control; Air pollution

A form of air pollution consisting primarily of particulate matter (i.e., particles released by combustion). Other components of smoke include gaseous air pollutants such as hydrocarbons, oxides of ...

Inert gas

Pollution control; Air pollution

A gas that does not react with the substances coming in contact with it.

Burn day

Pollution control; Air pollution

A day that is not officially determined by meteorologists and air quality managers to be a no-burn day. Burn days vary by air basin on any given day. For more information, please view our smoke ...