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CH3041
ON-LINE LECTURE 29
PHOTOCHEMICAL SMOG
Secondary
pollutant smogs are common
in cities where there is a high motor traffic
density, stable air, sunlight and T > 18oC.
in cities where there is a high motor traffic
density, stable air, sunlight and T > 18oC.
• The city where this was first reported
was
Los Angeles but it is also a common sight in
Australia as
these shots
of a photo-
chemical
smog in
Sydney
illustrate:
Los Angeles but it is also a common sight in
Australia as
these shots
of a photo-
chemical
smog in
Sydney
illustrate:
(NB.
London now has mainly a photochemical smog.)
