Sampling wildfire smoke sometimes means sticking a tube out the window of an airplane.
Brett Palm/University of Washington
Thousands of chemical compounds in wildfire smoke are interacting with each other and sunlight as the smoke travels. For people downwind, it can become more toxic over time.
A vendor cuts cannabis popularly known as marijuana for sale in Nigeria.
Pius Utomi Ekpei/AFP/Getty Images
Beyond recreational consumption, young Nigerians are using cannabis to aid their schooling and work.
Flames approach houses during the Blue Ridge Fire on Oct. 27, 2020 in Chino Hills, California.
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A fire scientist offers a six-point strategy for preventing wildfires and living safely in flammable landscapes.
Smoke from the Black Summer fires likely caused more than 400 deaths. A national set of air quality categories is long overdue.
Wildfire smoke turned the San Francisco sky orange in the middle of the day in early September.
Ray Chavez/Medianews Group/The Mercury News via Getty Images
To understand the risks of wildfire smoke, it helps to understand the chemicals people are breathing.
A red hazy sunset over Indiana caused by wildfire smoke from the Western U.S.
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Last week, much of the Midwest and eastern US experienced hazy skies and red sunsets. The cause was smoke transported from the Western US by the jet stream and spread as far as Boston and even Europe.
Firefighters have battled camp crud before, but COVID-19 brings new risks with the potential for heart and lung damage.
Robyn Beck/AFP/Getty Images
Wildfire smoke makes it harder for firefighters' bodies to fight off viruses. Social distancing is difficult in that environment, but fire crews are coming up with solutions.
The health impact of wildfire exposure depends in part on the fire itself and how much smoke a person breathes in, how often and for how long.
AP Photos/Noah Berger
Wildfires blanketing several Western cities are creating hazardous health conditions. Don't count on cloth masks to protect your lungs.
Australians choked through a smoke-ridden summer during the bushfire crisis. But many of us are unaware of the silent damage indoor wood fire heaters are doing to our health.
Secondhand smoke may come from many miles away.
According to a new study, about four in 10 air pollution deaths in the US are due to emissions crossing state lines.
Smoke from recent bushfires has shrouded major Australian cities.
Bushfire smoke accumulating over Australian cities contains a complex chemical mix which does all sorts of things to the human body.
Throughout history, Australian bushfires have spread smoke over our cities. But this time it’s different.
This is not the first time Australia's major cities have been shrouded in bushfire smoke. But this time, the culprits must held to account.
People in Sydney have this week been donning face masks. But they’re unlikely to prevent smoke inhalation.
With smoke haze this week at its most hazardous level yet, people on Australia's east coast have been taking precautions to protect their health. But some methods are more effective than others.
Smoke is blanketing Australia’s most populated city, making it impossibly to ignore the reality of climate change.
Fuming, burnt out, drained. Can our smoky cities spark a change in the political atmosphere?
Active fire hotspots detected by S-NPP/VIIRS on September 7 2019.
We have developed an online tool to help authorities identify which areas they should focus on for reducing forest fires and haze in order to maximize overall health benefits.
The aftermath of a bushfire at Holsworthy, New South Wales.
A startling phenomenon occurs after a fire tears through a landscape. So what is it in bushfires that gives plants this kiss of life?
Wood smoke may smell good, but it is not good for you.
The smoke from wood-burning stoves and fireplaces contributes to air pollution and poor health.
An image from the International Space Station captures plumes of smoke from California wildfires on August 4, 2018.
Haze from Northern California wildfires has drifted as far east as Philadelphia. Wildfire smoke contains many potentially toxic substances, so anyone exposed to it should take basic precautions.
High intensity logging burns and the resulting smoke plume near Mount Baw Baw, April 2018
Photo Chris Taylor.
Every autumn Victoria copes with smoke haze from planned burns that reduce bushfire risk, but a large part of that pollution actually comes from industrial logging activity.
Flames and smoke shroud State Route 33 as a wildfire burns in Ventura, California, Dec. 5, 2017.
Daniel Dreifuss via AP
Intense wildfires in southern California are triggering air quality alerts. Health experts know surprisingly little about how inhaling smoke affects human health, especially over the long term.