Air pollution killed 1.72 million Indians in 2022—a 38 percent jump in twelve years.
India stands at a crossroads where the cost of its energy choices is now being counted in human lives — 1.72 million of them in a single year. A landmark Lancet report reveals that fossil fuel dependence, indoor cooking fires, and a warming climate are converging into a compounding crisis that claimed more lives in 2022 than twelve years prior, even as the world grew more conscious of what was at stake. The tragedy is not merely one of pollution but of deferred choices: a nation whose clean energy transition is slowing rather than accelerating, paying for that hesitation with both lives and economic vitality.
- Air pollution deaths in India have surged 38% in just twelve years, with coal combustion alone responsible for 394,000 lives lost in 2022 — a toll that is rising, not falling.
- The economic wound runs equally deep: $339 billion drained from India's GDP in a single year, while the government simultaneously spent $48.5 billion subsidizing the very fuels driving the crisis.
- Rural households burning wood and dung for cooking face mortality rates higher than the national average, exposing how poverty and the absence of clean alternatives trap millions in a cycle of invisible harm.
- Heat is rewriting the calendar of labour — 247 billion working hours lost in 2024, dengue transmission potential nearly doubled, and coastlines expanding their exposure to deadly waterborne bacteria.
- India's clean energy transition is moving in reverse: fossil fuels still power 96% of road transport and 72% of electricity, while preparedness for a low-carbon future declined 2% in 2024 alone.
In 2022, air pollution ended 1.72 million Indian lives — a 38 percent rise over the previous twelve years, driven overwhelmingly by fossil fuel combustion. Coal alone was responsible for 394,000 of those deaths, according to the 2025 Lancet Countdown report prepared by University College London and the World Health Organization. The economic damage reached $339 billion, nearly a tenth of the country's GDP, while the government spent $48.5 billion that same year subsidizing the fuels at the heart of the crisis.
Beyond the urban smog, rural India burns wood, dung, and crop residue for cooking and heating. Indoor air pollution kills at a rate of 125 per 100,000 in rural areas — higher than the national average — because 58 percent of rural energy still comes from these traditional sources. Poverty and the absence of alternatives have made this a quiet, persistent emergency.
Heat has emerged as a parallel catastrophe. India endured nearly 20 heatwave days in 2024, costing 247 billion labour hours and $194 billion in lost income, with farm workers absorbing both the physical and economic blow. Each Indian now faces 366 more hours of extreme heat annually compared to the 1990s. Meanwhile, dengue transmission potential has nearly doubled since the 1950s, wildfire smoke kills over 10,000 people a year, and more than 18 million Indians live within a metre of rising seas.
The land itself reflects the strain: 2.33 million hectares of tree cover lost since 2001, urban greenness declining, and drought now touching over a third of the country for at least one month each year. Despite the mounting evidence, India's clean energy readiness slipped in 2024. Fossil fuels still supply 96 percent of road transport energy, and the distance between what science demands and what policy delivers continues to grow — measured, with painful precision, in lives.
In 2022, air pollution killed 1.72 million Indians. That number represents a 38 percent increase over the previous twelve years—a trajectory that accelerated even as the world grew more aware of the climate crisis. The deaths came primarily from exposure to PM2.5, the fine particulate matter that embeds itself in lungs and bloodstreams, and the culprit behind most of these deaths was fossil fuel combustion. Coal alone accounted for 394,000 of them. These are the findings of the 2025 Global Report of the Lancet Countdown on Health and Climate Change, prepared by University College London in partnership with the World Health Organization, and they paint a portrait of a nation whose energy infrastructure is exacting a staggering human price.
The economic toll mirrors the human one. Air pollution cost India's economy $339.4 billion in 2022—roughly 9.5 percent of GDP—a figure that captures only the direct health burden, not the cascading losses in productivity, education, and opportunity. Fossil fuels supplied nearly half of those 1.72 million deaths, a consequence of India's continued reliance on coal, which powers 72 percent of the country's electricity and nearly half of its total energy supply. In 2023, the government spent $48.5 billion subsidizing fossil fuels, money that might have accelerated the transition to cleaner sources but instead locked the nation deeper into carbon dependence.
Beyond the cities where air quality monitors track PM2.5 concentrations, another crisis unfolds in rural kitchens. Household air pollution from solid biofuels—wood, dung, and crop residue burned for cooking and heating—kills silently and steadily. In 2022, the mortality rate from indoor air pollution stood at 113 deaths per 100,000 people nationally, but in rural areas it climbed to 125 per 100,000. Fifty-eight percent of rural energy still comes from these traditional fuels, a reality that reflects both poverty and the absence of alternatives.
Heat has become its own killer. In 2024, India experienced 19.8 heatwave days, 6.6 of which would not have occurred without human-driven climate change. The country's workers—particularly those in agriculture—lost 247 billion potential labour hours that year, translating to $194 billion in lost income. Agriculture accounted for two-thirds of that loss, meaning millions of farm workers and outdoor labourers absorbed both the economic shock and the physical toll of extreme heat simultaneously. Each Indian faced 366 extra hours of extreme heat compared to conditions in the 1990s.
The warming is reshaping disease patterns across the subcontinent. The potential for dengue transmission has nearly doubled since the 1950s. The coastline suitable for Vibrio bacteria, which causes severe waterborne infections, has expanded by 46 percent. More than 18 million Indians now live within one metre of sea level, increasingly vulnerable to storm surges and rising seas. Between 2020 and 2024, wildfire smoke killed an average of 10,200 people annually—a 28 percent increase since the early 2000s. Droughts have intensified: the share of land hit by severe dry spells has risen 138 percent since the 1950s, and over a third of the country now experiences at least one month of drought every year.
The landscape itself is greying. India lost 2.33 million hectares of tree cover between 2001 and 2023, including 143,000 hectares in 2023 alone. In urban areas, 124 of 189 major cities now have low or very low greenness, and average city vegetation has declined 3.6 percent since 2015. Livestock and dairy production account for 65 percent of agricultural emissions, which have risen 13 percent since 2000—another structural driver of the crisis that touches food security, rural livelihoods, and air quality simultaneously.
Yet even as the evidence accumulates, India's preparedness for a low-carbon future slipped by 2 percent in 2024. The clean energy transition, which should be accelerating, appears to be slowing. Fossil fuels still supply 96 percent of energy for road transport, while electricity accounts for just 0.3 percent. The gap between what the science demands and what policy delivers continues to widen, measured in millions of lives and hundreds of billions of dollars.
Citas Notables
India spent $48.5 billion on fossil fuel subsidies in 2023, outstripping its carbon revenue.— Lancet Countdown on Health and Climate Change report
The country's preparedness for a low-carbon future slipped by 2 percent in 2024.— Lancet Countdown on Health and Climate Change report
La Conversación del Hearth Otra perspectiva de la historia
Why does the Lancet report focus so heavily on PM2.5 when there are so many other pollutants in Indian air?
Because PM2.5 is what gets into your blood. It's small enough to cross the lung barrier and enter the bloodstream, triggering inflammation, heart attacks, strokes. It's the pollutant that kills most directly and measurably. The report is tracking what we can quantify—and what we can quantify is already catastrophic.
The number 1.72 million is staggering. Does that mean India's air is uniquely bad, or is it just that India has 1.4 billion people?
Both. India has scale, yes, but the death rate per capita is also elevated. What matters is that this is a 38 percent jump in twelve years. The problem is accelerating, not stabilizing. And much of it is preventable—it's tied to choices about energy infrastructure, not inevitability.
You mention that fossil fuel subsidies outstrip carbon revenue. What does that actually mean for a person living in rural India?
It means the government is making it cheaper to burn coal than to invest in alternatives. A farmer cooking with dung and wood because there's no grid electricity, no LPG subsidy reaching her village—that's the consequence. The subsidies prop up the old system while the new one never gets built.
The report says India's clean energy transition is slowing. Why would it slow when the crisis is so visible?
Inertia. Coal plants are already built. Coal mining employs millions. Transitioning requires upfront capital, political will, and a willingness to strand existing assets. It's easier to keep burning what you've already invested in than to rebuild the entire system.
What strikes you most about the wildfire deaths—10,200 a year?
That it's happening in addition to everything else. It's not either-or. People are dying from air pollution and heat and wildfires and drought simultaneously. The crises compound. A farm worker loses income to heat, then loses crops to drought, then breathes smoke from fires. The system is failing on multiple fronts at once.
Is there anything in the report that suggests India could turn this around?
The report documents the problem with precision. That precision is a kind of power—it makes denial harder. But the report also shows that preparedness is declining, not improving. So the answer is: yes, it's possible. But the current trajectory suggests it's not happening.