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Global air pollution

Statistics report on air pollutants and air quality worldwide

Air pollution is one of the biggest threats to human health, with long-term and short-term exposure to several air pollutants, including particulate matter (PM2.5), linked to adverse health effects like lung cancer and heart disease. Every year, exposure to poor air quality is responsible for millions of premature deaths around the world.

This report provides facts and figures about air pollution worldwide. It looks into emissions of various types of air pollutants, air pollution exposure on a country and city-wide basis, emissions sources, health risks posed by poor air quality, and what kind of action is being taken to address this environmental issue.

Table of contents

Overview

5
  • Premium Statistic Annual average PM2.5 exposure levels worldwide 2000-2023
  • Premium Statistic Most polluted countries based on PM2.5 concentration globally 2025
  • Premium Statistic Global number of deaths from air pollution 1990-2021
  • Basic Statistic Number of deaths worldwide from select risk factors in 2021
  • Premium Statistic Average life expectancy loss worldwide 2023, by external risk

Emissions

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  • Premium Statistic Global air pollutant emissions 1990-2022, by type
  • Premium Statistic Global changes in air pollutant emissions 1990-2022, by type
  • Premium Statistic Global changes in air pollutant emissions 1990-2022, by type and region
  • Premium Statistic Largest sulfur dioxide emissions worldwide 2022, by leading country
  • Premium Statistic Global nitrogen oxides emissions 2022, by select country

Air pollution exposure

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  • Premium Statistic Annual average PM2.5 concentrations worldwide 2000-2022, by region
  • Premium Statistic Most polluted capital cities based on PM2.5 concentration globally 2025
  • Premium Statistic Most polluted cities based on PM2.5 concentration globally 2025
  • Premium Statistic Global air pollution levels 2025, by select city
  • Premium Statistic Average PM2.5 exposure worldwide 2020, by region

Sources

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  • Premium Statistic Sources of PM2.5 exposure in Europe 2020, by type
  • Premium Statistic Sources of PM2.5 exposure in North America 2020, by type
  • Premium Statistic Sources of PM2.5 exposure in South Asia 2020, by type
  • Premium Statistic Sources of PM2.5 exposure in Northeast Asia 2020, by type

Health impacts and action

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  • Premium Statistic Global deaths from air pollution by region 2000-2021
  • Premium Statistic Breakdown of global air pollution deaths 2021, by contributor
  • Premium Statistic Global deaths caused by air pollution 2021, by country
  • Premium Statistic Global death rates caused by air pollution 2021, by select country
  • Premium Statistic Global death rates caused by household air pollution 2021, by region
  • Premium Statistic Annual outdoor air quality funding worldwide 2018-2022
  • Premium Statistic Breakdown of outdoor air quality funding worldwide 2018-2022, by sector
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