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SMOG What it looks like and where it comes from
Poor air quality,
whether natural or human-caused,
is called smog.
What does smog look like?
Smog in Boulder, CO, USA
UCAR
Smog in Denver, CO, USA
UCAR
Smog in San Francisco, CA, USA
wikipedia
Smog in New York City, NY, USA
EPA
Smog in New York City, NY, USA
wikipedia
Smog in Los Angeles, CA, USA
NASA
Smog in Mexico City, Mexico
UCAR
Smog in Mexico City, Mexico
UCAR
Smog in Beijing, China
wikipedia
Smog in Beijing, China
wikipedia
Smog in Athens, Greece
wikipedia
Smog in Sao Paulo, Brazil
wikipedia
Where does smog come from?
wikipedia
Emissions from factories
UCAR
Emissions from factories
UCAR
Emissions from oil refineries
UCAR
Emissions from power plants
wikipedia
Emissions from burning car batteries
EPA
Burning grasslands and forests
UCAR
Emissions from oil and gas wells
UCAR
Emissions from offshore wells.
NASA
Emissions from cars and trucks
colorado.gov
Emissions from wildfires
State of Nebraska
Emissions from wildfires seen from space
NASA
Emissions from volcanic eruptions
wikipedia
This educational resource is a part of
The Air Quality Teaching Box:
www.spark.ucar.edu/air-quality
And is made possible by the University
Corporation for Atmospheric Research (UCAR)
and CIRES at the University of Colorado with
support from NASA DISCOVER-AQ.
To learn more about the types of air pollutants
and how researchers are studying them, visit
www.spark.ucar.edu/air-quality

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SMOG What it looks like and where it comes from