Wildfire smoke pollution raises growing health concerns

Wildfire smoke, intensified by climate change, is becoming a leading global source of deadly air pollution, contributing to hundreds of thousands of premature deaths each year.

Hiroko Tabuchi reports for The New York Times.


In short:

  • Wildfire smoke contains hazardous pollutants like particulate matter, nitrogen dioxide and lead, which are linked to respiratory, cardiovascular and other diseases.
  • Recent fires in Los Angeles elevated air quality to dangerous levels, particularly affecting vulnerable populations such as children and older adults.
  • Studies suggest that wildfire pollution has reversed progress in reducing harmful air particles, with mortality rates from wildfire-related pollution projected to rise significantly.

Key quote:

“We’re breathing in this toxic brew of volatile organic compounds and polycyclic aromatic hydrocarbons and hexavalent chromium. All of it is noxious.”

— Dr. Lisa Patel, pediatrician and executive director of the Medical Society Consortium on Climate and Health

Why this matters:

Air pollution from wildfires threatens public health even in regions far from fire zones. Prolonged exposure to smoke may lead to long-term health complications, requiring urgent measures to address climate change and protect at-risk communities.

Related EHN coverage:

BYD dealership under construction in San Miguel de Allende, Mexico. Feb 12, 2026
Credit: Jim Germond

In South America, Chinese EVs are racing ahead

Western automakers ignored smaller markets like Argentina. But China saw potential—and that bet is paying off.
Arctic Ocean sea routes map with Northwest Passage and Northern Sea Route.
Credit: Peter Hermes Furian/BigStock Photo ID: 134481572

After Hormuz, China looks to the promise – and peril – of the Arctic’s ‘ice silk road’

China has established the first scheduled transit through the northern sea route, but questions remain over the environmental and political risks.

Computer generated 3D illustration with oil pumps, solar panels and wind turbines.
Credit: MIRO3D/BigStock Photo ID: 147195269

How $600B of Biden’s clean energy funding escaped Trump’s cuts

A POLITICO analysis finds that while the administration wiped out hundreds of billions in clean-energy tax breaks, spending has been harder to unwind.

Great white shark at the center of a school of fish

‘Our new normal’: How marine heatwaves affect life in British seas

As warming seas push native species to cooler waters farther north, once-rare visitors have become more common.

The concept of climate change. Planat earth on a fiery orange background.
Credit: izmeda/BigStock Photo ID: 349738711

In Germany, record heat meets climate action fatigue

Climate action does not seem to be a priority for the German government — despite record temperatures, heat-related deaths and drought. Why aren't more people taking to the streets in protest?
Resilient daisy plant flowering on a sandy desert with no water.
Credit: AlessandroZ/BigStock Photo ID: 305500738

Spotlight on UN desertification summit as it mulls how to spend $12bn war chest

Extreme weather has raised the significance of Cop17 talks starting this week on tackling drought and land degradation.

Electric semi-truck filling up at a charging station

Australia is spending billions on fuel security. What if some of that went to electric trucks?

The war in Iran has drawn attention to something invisible to most Australians — we use a lot of diesel to keep this country running. 
From our Newsroom
Multiple Houston-area oil and gas facilities that have violated pollution laws are seeking permit renewals

Multiple Houston-area oil and gas facilities that have violated pollution laws are seeking permit renewals

One facility has emitted cancer-causing chemicals into waterways at levels up to 520% higher than legal limits.

Regulators are underestimating health impacts from air pollution: Study

Regulators are underestimating health impacts from air pollution: Study

"The reality is, we are not exposed to one chemical at a time.”

Pennsylvania governor Josh Shapiro speaks with the state flag and American flag behind him.

Two years into his term, has Gov. Shapiro kept his promises to regulate Pennsylvania’s fracking industry?

A new report assesses the administration’s progress and makes new recommendations

silhouette of people holding hands by a lake at sunset

An open letter from EPA staff to the American public

“We cannot stand by and allow this to happen. We need to hold this administration accountable.”

wildfire retardants being sprayed by plane

New evidence links heavy metal pollution with wildfire retardants

“The chemical black box” that blankets wildfire-impacted areas is increasingly under scrutiny.

Stay informed: sign up for The Daily Climate newsletter
Top news on climate impacts, solutions, politics, drivers. Delivered to your inbox week days.