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Tehran is the capital city of Iran and has many different functions such as educational, administrative, economical, social and cultural activities. According to the different reports,
Tehran is one of the most polluted cities in the world.
Clim,atology as an ancient subject has too relationships with other sciences. Undoubtedly m,an and natural environment depend on climatic conditions influences. Applied climatology encounter to serious air pollution problem, and should study it very carefully.
In this paper the relationships between clinwtic factors and
air pollution with the Asthma disease in Tehran city for the years 1995-1999 period has been investigated. It has been utlized statistical n1ethods especially correlation coefficient between variables and Asthma. The research findings are:
a) There is a significant relationship between Co, NO2, SO2
and Asthma.
b) The Asthma occun'ence is more in the winter season. This is due to earth radiation, much length, Night, inversion and increased air pollution.