Author(s)

L.G. Ruiz-Suarez & G.L. Andraca-Ayala

Abstract

Aldehydes, were analyzed in air samples at four places in the Valley of Mexico basin. These were, one urban, one suburban and two rural places, one of them within the area of influence of Mexico City and the other upwind and taken as the reference site. 1 Introduction Mexico City is a most interesting case for the study of air pollution. Within its metropolitan zone live 20 million people (20.4% of the national population). High mountains up to 1000 meters above downtown level run from the northwest to the southeast along the western side of the urban area. Many efforts have been made to reduce air pollution levels with some success on lead, carbon monoxide and extreme ozone peaks. An extensive ai

Keywords