Q:

What is a primary air pollutant?

A:

A primary air pollutant is emitted directly into the air from its source. Primary air pollutants are known to cause many health problems, negatively impact the environment and cause property damage. When in the atmosphere, these pollutants can undergo chemical reactions, forming other pollutants, which are called secondary pollutants.

Know More

Full Answer

The six most common air pollutants are lead, particulate matter, ozone, carbon monoxide, nitrogen oxides and sulfur dioxide. Of these pollutants, the two responsible for the most widespread health threats are particulate matter and ozone. Ground-level ozone is created when oxides of nitrogen combine with volatile organic compounds in the sunlight.

Learn more in Pollution

Related Questions

  • Q:

    What is air pollution?

    A:

    Air pollution stems from the addition of unnatural compounds and toxins through indirect and direct mechanisms. Direct sources of air pollution include electricity, fuels and transportation, while indirect sources are goods and services that require energy to produce and deliver, such as vehicles and household appliances.

    Full Answer >
    Filed Under:
  • Q:

    What pollutes the air?

    A:

    The main causes of air pollution include the emission of greenhouse gases, such as carbon dioxide, methane, and chlorofluorocarbons, emission from volcanic eruptions and toxic air pollutants emitted by vehicles. The amount of smog as well as the damaging effects on health and the environment indicate the severity of air pollution.

    Full Answer >
    Filed Under:
  • Q:

    How is air pollution prevented?

    A:

    Air pollution levels may be reduced at home and the office by conserving energy, planting deciduous trees, recycling paper and plastics and keeping automobiles maintained. Air pollution stems from many sources, which makes it difficult to prevent it from entering into the atmosphere altogether.

    Full Answer >
    Filed Under:
  • Q:

    How is air pollution measured?

    A:

    In the United States, the amount of air pollutants in the atmosphere can be directly measured by anyone using instruments such as the GASPer air quality monitor, area's immediate reading, or AIR device and sun photometer. Common examples of air pollution include smog, vehicular and power plant emissions and acid rain.

    Full Answer >
    Filed Under:

Explore