Aerosols in the atmosphere have several important environmental effects. They ar

Question

Aerosols in the atmosphere have several important environmental effects. They are a respiratory health hazard at the high concentrations found in urban environments. They scatter and absorb visible radiation, limiting visibility. They affect the Earth’s climate both directly (by scattering and absorbing radiation) and indirectly (by serving as nuclei for cloud formation). They provide sites for surface chemistry and condensed-phase chemistry to take place in the atmosphere.

Briefly describe the sources and sinks of PM2.5 , including its production, growth, and removal in the atmosphere. What are some of the air pollution control strategies for stationary sources of this pollutant?

Explanation / Answer

Sources of PM2.5

Sinks of PM2.5

The PM 2.5 falls on the ground finally and it acts as a sink.

PM 2.5 is removed from the atmosphere when rain fall occurs.

What are some of the air pollution control strategies for stationary sources of this pollutant?

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