[The effect of air pollution on the frequency of the visits of the population of an industrial city for medical first aid].

Significant increase in the rate of applying for emergency medical care has been been established on days on which high atmospheric air pollution levels are recorded as compared with more "clean" days in the city with its large works of ferrous metallurgy, by-product coke industry and construction industry (civil engineering), the above fact being accounted for by compromised state of the respiratory system in children between the ages of 3 to 7 years.