The article presents the results of research of meteorological factor influence on the aggravation of an arterial hypertension on an example of the Barnaul population. It is established that aggravation frequency of an arterial hypertension at men and women depends on meteorological factors at the date of aggravation and within seven days before and after aggravation. The days making the most essential impact on development of aggravations vary in both groups.

Key words: air temperature, atmospheric pressure, relative humidity of air, arterial hypertension, cardiovascular pathology.