Why air pollution is a bigger threat to Kenyans than HIV/AIDS
By Joel Masibo, September 8, 2025In Kenya, public health conversations often centre on HIV/AIDS, a disease that has shaped the country’s healthcare system and scarred many families for decades. Yet, away from the headlines and donor-driven campaigns, another killer quietly takes more lives every year, air pollution.
A 2024 World Health Organisation (WHO) report on combating household air pollution (HAP) revealed that around 23,000 Kenyans die annually due to exposure to smoky kitchens and inefficient stoves that burn wood, charcoal, or kerosene. This surpasses the 20,478 AIDS-related deaths recorded in 2023 by the National Syndemic Diseases Control Council (NSDCC).
While HIV/AIDS is widely recognised and funded—with Kenya receiving over Ksh65 billion ($500 million) in 2023 for HIV programs—air pollution remains underfunded and largely invisible in policy priorities.
The silent numbers
The disparity is stark. HIV/AIDS deaths have declined steadily thanks to antiretroviral therapy and prevention programs, with mother-to-child transmission falling to 89 per cent coverage for pregnant women. But air pollution shows no such progress. WHO data estimates that between 19,000 and 32,000 Kenyans die prematurely each year from all forms of air pollution, including ambient pollution from vehicle emissions and industry.
Disability-adjusted life years (DALYs), which measure years lost to poor health or early death, show air pollution’s heavier burden. In 2019, HAP contributed to over 800,000 DALYs nationwide, cutting across respiratory infections, heart disease, stroke, and cataracts.
Women and children at risk
The toll is heaviest on women and children. In rural areas, where over 80 per cent of households still rely on biomass fuels, mothers inhale toxic smoke daily while cooking.
“Exposure to a smoky kitchen is as dangerous for women as smoking several packs of cigarettes,” the WHO warned in its 2024 report.
Children, who often sit nearby, face risks of low birth weight, asthma, developmental delays, and even premature death.
In Nairobi, ambient air pollution caused 2,500 premature deaths in 2019, disproportionately affecting residents of low-income neighbourhoods. Unlike HIV, which largely targets specific vulnerable groups, air pollution reaches nearly every Kenyan household.
A hidden economic cost
Beyond lives lost, the economic strain is massive. The WHO estimates air pollution costs Africa 2.5 per cent of GDP annually. In Kenya, this translates to billions of shillings lost to healthcare costs and reduced productivity. Unlike HIV, which benefits from strong donor funding, clean cooking solutions remain unaffordable for many families.
While HIV/AIDS still demands vigilance, ignoring air pollution means thousands more will die silently each year. Clearing the air is no longer a luxury—it is a public health necessity.