Air pollution is bad for the ecology. An ecological disaster like smog filled cities caused by environmental pollutants create soot and haze from polluting factories.


Bad For The Ecology

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Can you see the buildings?
Air Pollution
  In the past three decades, environmental measures have cleared up much of the visible pollution that once hovered menacingly over urban areas, but smog, soot and haze persist in many cities and even cloud the views in wilderness areas. Air pollution is aggravated because of four developments: increasing traffic, growing cities, rapid economic development, and industrialization. Worldwide air pollution is responsible for large numbers of deaths and cases of respiratory disease.
  Every year, approximately 1,000 new chemicals are developed and added to the 70,000 chemicals, 9 million mixtures, formulations and blends of chemicals already in commercial use. Few of these chemicals have been adequately assessed for their potential toxicity, either individually or in combination with other chemicals.
  There are two main types of air pollution:
  1. Indoor Air Pollution
    This includes Second-Hand Smoke, Household Products, Nitrogen Dioxide, Carbon Monoxide, Formaldehyde, Mold, Microbes and Radon.
  2. Outdoor Air Pollution
    This includes Smog, Acid Rain, The Greenhouse Effect, and Ozone Depletion

  Air pollutants can be divided into three groups:
Criteria pollutants - Air toxics - Biological pollutants
-Criteria air pollutants are used as indicators of air quality.
-Air toxics are pollutants that are present in the air in low concentrations and are hazardous to human, plant or animal.
-Biological pollutants are microbiological contamination (moulds, the skin of animals or humans and the remains and dropping of pests such as cockroaches) Biological pollutants can be airborne and can have a significant impact on indoor air quality.

Current Air Quality Index Sites

Some information was borrowed from
Natural Resources Defense Council
Australian Government Department of Environment

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