Epidemiologia e prevenzione

Short-term effects of air pollution in Italy: A combined analysis of studies from 1996 to 2002

Circadian Biology Weekly Brief ↗PubMed ↗

Updated

Abstract

An increase in air pollutants is associated with a 1.4% to 4.1% increase in mortality for all natural causes in Italian cities from 1996 to 2002.

  • Mortality for all natural causes is associated with increases in concentrations of NO2 (0.6%), CO (1.2%), and PM10 (0.31%) per specified increases in pollutant levels.
  • Similar associations were observed for cardiorespiratory mortality and hospital admissions related to respiratory and cardiac diseases.
  • Effects of air pollutants on health outcomes are stronger in the warm season, with a 1.95% increase in mortality for PM10 during this period.
  • The excess risk of mortality peaks within a few days after increases in pollutant exposure, with minor displacement effects lasting less than two weeks.
  • Cumulative effects over 15 days show higher risks for respiratory diseases, particularly related to PM10 exposure.
  • Mortality impacts for gaseous pollutants could have prevented approximately 900 deaths for PM10 and 1400 deaths for NO2 among the studied cities.

Simplified

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