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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Contributors in Air pollution

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Air pollution

California Environmental Protection Agency (Cal/EP

Pollution control; Air pollution

A state government agency established in 1991 for unifying environmental activities related to public health protection in the State of California. There are six boards, departments, and offices ...

Nonattainment transitional

Pollution control; Air pollution

A subcategory of the nonattainment designation category for state standards that signals progress and implies the area is nearing attainment. Districts with nonattainment-transitional status may ...

Ozone

Pollution control; Air pollution

A strong smelling, pale blue, reactive toxic chemical gas consisting of three oxygen atoms. It is a product of the photochemical process involving the sun's energy and ozone precursors, such as ...

Reformulated gasoline predictive model

Pollution control; Air pollution

A set of mathematical equations that predict the emissions likely to occur from the combustion of a given formulation of gasoline. For more information, please go to our predictive model website ...

A programme that permits air district and local governments to allocate vehicle registration surcharge fees to projects that reduce motor vehicle emissions such as zero-emission vehicles, bike lanes, ...

AB 2766 (Sher) Motor Vehicle Fee programme

Pollution control; Air pollution

Ringelmann chart

Pollution control; Air pollution

A series of charts, numbered 0 to 5, that simulate various smoke densities by presenting different percentages of black. A Ringelmann No. 1 is equivalent to 20 percent black; a Ringelmann No. 5 is ...