Every person on the planet is feeling the weight of polluted air. According to the Air Quality Life Index (AQLI) 2025 report, exposure to dangerous levels of PM₂.₅, a fine particulate pollutant, subtracts nearly 1.9 years from the average person’s life expectancy.

The findings are based on the 2023 satellite data.

If global air pollution met the World Health Organisation’s (WHO) guideline of 5 µg/m³, humanity could collectively reclaim 15.1 billion years of life.

A World Choking: From Wildfires to Rising Smog

The report shows a mixed global trend.

• In North America, record-shattering wildfires in Canada and the U.S. pushed pollution to levels unseen since 1998 and 2011, respectively. Over 50% of Canadians inhaled air exceeding their national safety threshold, reversing decades of clean-air progress.
• South Asia remains the most polluted region on Earth. PM₂.₅ levels rose by 2.8% in 2023, though still slightly lower than the levels in 2021. In this region, air pollution trims off more life years than malnutrition and is more than five times deadlier than unsafe water and sanitation.
• Meanwhile, Latin America hit its highest particulate levels since AQLI began tracking in 1998, with Bolivia ranking among the world’s ten most polluted countries for the first time since 2010. There, air pollution is nine times deadlier than violence or self-harm.
• China, after a decade of steady progress post-2014’s “War on Pollution,” saw a 2.8% rise in PM₂.₅ in 2023. Still, the air is cleaner than a decade ago, and meeting WHO levels could give citizens an extra 2.2 years of life.
• Oceania remains the cleanest region globally, with 73% of its population breathing within safe limits. Yet even here, the most polluted areas cost residents up to 1.2 years of healthy life.

Africa: Silent Death in the Air

In Central and West Africa, air quality showed slight improvement (8%) in 2023, but PM₂.₅ concentrations remain over four times higher than WHO standards, hovering around 20.9 µg/m³.

On average, citizens lose 1.6 years to air pollution; in hotspots, this figure climbs to 5 years in hotspots like Cameroon and the Democratic Republic of Congo, making dirty air deadlier than HIV/AIDS, malaria, or unsafe water.

Despite bearing one of the heaviest burdens, only seven of 54 African nations have official air quality policies. Nigeria accounts for 22% of Africa’s life years lost to pollution—about 404 million years in total.

A Ghanaian Breath: 0.8 Years Lost to Dirty Air

Closer to home, Ghana’s average PM₂.₅ level in 2023 was 12.91 µg/m³, a modest improvement from 2022’s 13.7, which is two times higher than the World Health Organisation’s (WHO) guideline of 5 µg/m³. Still, polluted air costs Ghanaians nearly 0.8 years of life expectancy.

For comparison:

• Malnutrition takes 1.35 years.
• Malaria/NTDs shave off 1.21 years.
• HIV/AIDS reduces life expectancy by 1.18 years.
• Unsafe water cuts 0.61 years.

In this ranking, air pollution now stands as Ghana’s sixth-greatest external health threat.

The 2024 Global State of Air report estimates 30,000 annual deaths in Ghana due to air pollution—82 individuals every day.

Data Gap Problem

In many of the world’s poorest—and most polluted—countries, there are still no systems in place to measure or monitor air quality. Yet while foreign aid for fossil fuel projects quadrupled in just one year, support for clean air initiatives remains alarmingly scarce. The 2024 State of Global Air Quality Funding report reveals that in 2022, only $4.7 billion—a mere 1% of all international development financing—was directed toward tackling air pollution.

Breathing Hope: Where We Go from Here

Air pollution funding and policy are falling far short—Africa receives under 2% of global pollution-fighting funds. And many countries, including Ghana, still lack formal national air quality standards.

But the AQLI and the newly launched Air Quality Fund are pushing change. The initiative has already helped install air monitors in underserved regions like the Democratic Republic of Congo, Ghana and The Gambia, empowering local leaders with data to drive policy.