Air Quality
Tracking the impacts to air quality from wildfire smoke to air pollution, and what we can do about it.
The latest in Air Quality
![Why Canada’s wildfires will affect air quality for weeks to come](https://cdn.statically.io/img/platform.vox.com/wp-content/uploads/sites/2/chorus/uploads/chorus_asset/file/24758894/1259135124.jpg?quality=90&strip=all&crop=16.666666666667%2C0%2C66.666666666667%2C100&w=2400)
![Why Canada’s wildfires will affect air quality for weeks to come](https://cdn.statically.io/img/platform.vox.com/wp-content/uploads/sites/2/chorus/uploads/chorus_asset/file/24758894/1259135124.jpg?quality=90&strip=all&crop=0%2C0%2C100%2C100&w=2400)
Canada’s fire season is especially bad, and it could lead to smoke drifting southward for the rest of the summer.
![The Air Quality Index and how to use it, explained](https://cdn.statically.io/img/platform.vox.com/wp-content/uploads/sites/2/chorus/uploads/chorus_asset/file/24758546/GettyImages_1259132714.jpg?quality=90&strip=all&crop=33.333333333333%2C0%2C66.666666666667%2C100&w=2400)
![The Air Quality Index and how to use it, explained](https://cdn.statically.io/img/platform.vox.com/wp-content/uploads/sites/2/chorus/uploads/chorus_asset/file/24758546/GettyImages_1259132714.jpg?quality=90&strip=all&crop=0%2C0%2C100%2C100&w=2400)
8 things you should know about the number that measures bad air.
![Scientists fear the Western wildfires could lead to long-term lung damage](https://cdn.statically.io/img/platform.vox.com/wp-content/uploads/sites/2/chorus/uploads/chorus_asset/file/21905178/GettyImages_1228565250.jpg?quality=90&strip=all&crop=16.666666666667%2C0%2C66.666666666667%2C100&w=2400)
![Scientists fear the Western wildfires could lead to long-term lung damage](https://cdn.statically.io/img/platform.vox.com/wp-content/uploads/sites/2/chorus/uploads/chorus_asset/file/21905178/GettyImages_1228565250.jpg?quality=90&strip=all&crop=0%2C0%2C100%2C100&w=2400)
Young children, older adults, and people with preexisting conditions face the highest risks.
![The orange skies and smoky air from Western wildfires, explained](https://cdn.statically.io/img/platform.vox.com/wp-content/uploads/sites/2/chorus/uploads/chorus_asset/file/21867441/AP_20253685108900.jpg?quality=90&strip=all&crop=16.666666666667%2C0%2C66.666666666667%2C100&w=2400)
Air pollution may be the most dangerous element of the massive fires.
![Air pollution is much worse than we thought](https://cdn.statically.io/img/platform.vox.com/wp-content/uploads/sites/2/chorus/uploads/chorus_asset/file/21729493/GettyImages_1196830922.jpg?quality=90&strip=all&crop=2.5793650793651%2C2.4305555555556%2C95.138888888889%2C95.138888888889&w=2400)
Ditching fossil fuels would pay for itself through clean air alone.
![Gas stoves can generate unsafe levels of indoor air pollution](https://cdn.statically.io/img/platform.vox.com/wp-content/uploads/sites/2/chorus/uploads/chorus_asset/file/19950370/GettyImages_1068376830.jpg?quality=90&strip=all&crop=24.761273209549%2C0%2C66.677718832891%2C100&w=2400)
![Gas stoves can generate unsafe levels of indoor air pollution](https://cdn.statically.io/img/platform.vox.com/wp-content/uploads/sites/2/chorus/uploads/chorus_asset/file/19950370/GettyImages_1068376830.jpg?quality=90&strip=all&crop=0%2C0.0082877507044543%2C100%2C99.983424498591&w=2400)
An accumulating body of research suggests gas stoves are a health risk.
![The deadly mix of Covid-19, air pollution, and inequality, explained](https://cdn.statically.io/img/platform.vox.com/wp-content/uploads/sites/2/chorus/uploads/chorus_asset/file/19893086/GettyImages_1217637327.jpg?quality=90&strip=all&crop=16.650390625%2C0%2C66.69921875%2C100&w=2400)
![The deadly mix of Covid-19, air pollution, and inequality, explained](https://cdn.statically.io/img/platform.vox.com/wp-content/uploads/sites/2/chorus/uploads/chorus_asset/file/19893086/GettyImages_1217637327.jpg?quality=90&strip=all&crop=0%2C0.024402147388969%2C100%2C99.951195705222&w=2400)
Covid-19 is disproportionately affecting black and brown communities in New York and elsewhere. Air pollution seems to be one reason why.
![Study: Small increases in air pollution make coronavirus much more deadly](https://cdn.statically.io/img/platform.vox.com/wp-content/uploads/sites/2/chorus/uploads/chorus_asset/file/19883889/GettyImages_1063856984.jpg?quality=90&strip=all&crop=16.666666666667%2C0%2C66.666666666667%2C100&w=2400)
![Study: Small increases in air pollution make coronavirus much more deadly](https://cdn.statically.io/img/platform.vox.com/wp-content/uploads/sites/2/chorus/uploads/chorus_asset/file/19883889/GettyImages_1063856984.jpg?quality=90&strip=all&crop=0%2C0%2C100%2C100&w=2400)
Preliminary data suggests fine particulates can explain variances in Covid-19 death rates and racial disparities.
![Installing air filters in classrooms has surprisingly large educational benefits](https://cdn.statically.io/img/platform.vox.com/wp-content/uploads/sites/2/chorus/uploads/chorus_asset/file/19586854/1189645201.jpg.jpg?quality=90&strip=all&crop=33.333333333333%2C0%2C66.666666666667%2C100&w=2400)
![Installing air filters in classrooms has surprisingly large educational benefits](https://cdn.statically.io/img/platform.vox.com/wp-content/uploads/sites/2/chorus/uploads/chorus_asset/file/19586854/1189645201.jpg.jpg?quality=90&strip=all&crop=0%2C0%2C100%2C100&w=2400)
$1,000 can raise a class’s test scores by as much as cutting class size by a third.
![What makes Delhi’s air so deadly](https://cdn.statically.io/img/platform.vox.com/wp-content/uploads/sites/2/chorus/uploads/chorus_asset/file/19533466/VDC_XCI_010_delhi_pollution_Clean.jpg?quality=90&strip=all&crop=21.875%2C0%2C56.25%2C100&w=2400)
![What makes Delhi’s air so deadly](https://cdn.statically.io/img/platform.vox.com/wp-content/uploads/sites/2/chorus/uploads/chorus_asset/file/19533466/VDC_XCI_010_delhi_pollution_Clean.jpg?quality=90&strip=all&crop=7.8125%2C0%2C84.375%2C100&w=2400)
The policy behind the pollution.
![The law that’s helping fuel Delhi’s deadly air pollution](https://cdn.statically.io/img/platform.vox.com/wp-content/uploads/sites/2/chorus/uploads/chorus_asset/file/19359370/GettyImages_1180855514.jpg?quality=90&strip=all&crop=15.171957671958%2C0%2C66.887125220459%2C100&w=2400)
![The law that’s helping fuel Delhi’s deadly air pollution](https://cdn.statically.io/img/platform.vox.com/wp-content/uploads/sites/2/chorus/uploads/chorus_asset/file/19359370/GettyImages_1180855514.jpg?quality=90&strip=all&crop=0%2C0.16479894528675%2C100%2C99.670402109426&w=2400)
A policy to conserve water led to the rise of a major source of air pollution, making breathing Delhi’s air as bad as smoking 50 cigarettes.
![Air pollution is much more harmful than you know](https://cdn.statically.io/img/platform.vox.com/wp-content/uploads/sites/2/chorus/uploads/chorus_asset/file/19444966/1166209028.jpg.jpg?quality=90&strip=all&crop=9.4317728421333%2C0%2C66.671099880303%2C100&w=2400)
![Air pollution is much more harmful than you know](https://cdn.statically.io/img/platform.vox.com/wp-content/uploads/sites/2/chorus/uploads/chorus_asset/file/19444966/1166209028.jpg.jpg?quality=90&strip=all&crop=0%2C0.0033246891415644%2C100%2C99.993350621717&w=2400)
The Trump administration is making a bad problem worse.
![Wildfires are making California’s deadly air pollution even worse](https://cdn.statically.io/img/platform.vox.com/wp-content/uploads/sites/2/chorus/uploads/chorus_asset/file/19326214/GettyImages_1178631045.jpg?quality=90&strip=all&crop=16.666666666667%2C0%2C66.666666666667%2C100&w=2400)
![Wildfires are making California’s deadly air pollution even worse](https://cdn.statically.io/img/platform.vox.com/wp-content/uploads/sites/2/chorus/uploads/chorus_asset/file/19326214/GettyImages_1178631045.jpg?quality=90&strip=all&crop=0%2C0%2C100%2C100&w=2400)
Poor air quality can harm millions and take years off lifespans. Dust and wildfire smoke are major contributors.
![Study: US air pollution deaths increased by 9,700 a year from 2016 to 2018](https://cdn.statically.io/img/platform.vox.com/wp-content/uploads/sites/2/chorus/uploads/chorus_asset/file/19313338/863272846.jpg.jpg?quality=90&strip=all&crop=49.76%2C40.834083408341%2C39.44%2C59.165916591659&w=2400)
![Study: US air pollution deaths increased by 9,700 a year from 2016 to 2018](https://cdn.statically.io/img/platform.vox.com/wp-content/uploads/sites/2/chorus/uploads/chorus_asset/file/19313338/863272846.jpg.jpg?quality=90&strip=all&crop=39.9%2C40.834083408341%2C59.16%2C59.165916591659&w=2400)
The increase might be due to overly lax policies from both Trump and Obama.
![Breathing dirty air takes years off people’s lives. This tool shows just how much.](https://cdn.statically.io/img/platform.vox.com/wp-content/uploads/sites/2/chorus/uploads/chorus_asset/file/13462130/GettyImages_491122650.jpg?quality=90&strip=all&crop=16.666666666667%2C0%2C66.666666666667%2C100&w=2400)
![Breathing dirty air takes years off people’s lives. This tool shows just how much.](https://cdn.statically.io/img/platform.vox.com/wp-content/uploads/sites/2/chorus/uploads/chorus_asset/file/13462130/GettyImages_491122650.jpg?quality=90&strip=all&crop=0%2C0%2C100%2C100&w=2400)
How improving air quality could add years to people’s lives around the world.
![We’ll soon know the exact air pollution from every power plant in the world. That’s huge.](https://cdn.statically.io/img/platform.vox.com/wp-content/uploads/sites/2/chorus/uploads/chorus_asset/file/16218163/shutterstock_229816288.jpg?quality=90&strip=all&crop=16.666666666667%2C0%2C66.666666666667%2C100&w=2400)
![We’ll soon know the exact air pollution from every power plant in the world. That’s huge.](https://cdn.statically.io/img/platform.vox.com/wp-content/uploads/sites/2/chorus/uploads/chorus_asset/file/16218163/shutterstock_229816288.jpg?quality=90&strip=all&crop=0%2C0%2C100%2C100&w=2400)
Satellite data plus artificial intelligence equals no place to hide.
![Trump EPA appointees want more air pollution — that’s a very bad idea](https://cdn.statically.io/img/platform.vox.com/wp-content/uploads/sites/2/chorus/uploads/chorus_asset/file/15995421/859523246.jpg.jpg?quality=90&strip=all&crop=17.179825568051%2C0%2C59.53637824191%2C100&w=2400)
![Trump EPA appointees want more air pollution — that’s a very bad idea](https://cdn.statically.io/img/platform.vox.com/wp-content/uploads/sites/2/chorus/uploads/chorus_asset/file/15995421/859523246.jpg.jpg?quality=90&strip=all&crop=5.3477163185678%2C0%2C89.304567362864%2C100&w=2400)
Fine particulates are, if anything, massively under-regulated.
![As air pollution gets worse, a dystopian accessory is born](https://cdn.statically.io/img/platform.vox.com/wp-content/uploads/sites/2/chorus/uploads/chorus_asset/file/15969374/Air_Masks_2.png?quality=90&strip=all&crop=21.875%2C0%2C56.25%2C100&w=2400)
The air is getting more dangerous to breathe all over the world — and a suite of companies are hoping to capitalize with a new fashion item.
![Northern California still has dangerous air quality due to wildfire smoke](https://cdn.statically.io/img/platform.vox.com/wp-content/uploads/sites/2/chorus/uploads/chorus_asset/file/13450163/1060117216.jpg?quality=90&strip=all&crop=16.866666666667%2C0%2C66.266666666667%2C100&w=2400)
![Northern California still has dangerous air quality due to wildfire smoke](https://cdn.statically.io/img/platform.vox.com/wp-content/uploads/sites/2/chorus/uploads/chorus_asset/file/13450163/1060117216.jpg?quality=90&strip=all&crop=0.3%2C0%2C99.4%2C100&w=2400)
An enormous area of California has smoke-polluted air.
![Breathing Seattle’s air right now is like smoking 7 cigarettes. Blame wildfires.](https://cdn.statically.io/img/platform.vox.com/wp-content/uploads/sites/2/chorus/uploads/chorus_asset/file/12323561/westcoastfires2018.jpg?quality=90&strip=all&crop=16.137855579869%2C0%2C67.724288840263%2C100&w=2400)
![Breathing Seattle’s air right now is like smoking 7 cigarettes. Blame wildfires.](https://cdn.statically.io/img/platform.vox.com/wp-content/uploads/sites/2/chorus/uploads/chorus_asset/file/12323561/westcoastfires2018.jpg?quality=90&strip=all&crop=0%2C0.78082929456112%2C100%2C98.438341410878&w=2400)
Major wildfires are delivering choking haze to much of the western United States.
![The Trump administration is lifting key controls on toxic air pollution](https://cdn.statically.io/img/platform.vox.com/wp-content/uploads/sites/2/chorus/uploads/chorus_asset/file/10105351/1280px_Indiana_Harbor.jpg?quality=90&strip=all&crop=16.6796875%2C0%2C66.640625%2C100&w=2400)
![The Trump administration is lifting key controls on toxic air pollution](https://cdn.statically.io/img/platform.vox.com/wp-content/uploads/sites/2/chorus/uploads/chorus_asset/file/10105351/1280px_Indiana_Harbor.jpg?quality=90&strip=all&crop=0.01953125%2C0%2C99.9609375%2C100&w=2400)
The EPA says its reading of the Clean Air Act means polluters can be held to lower standards.
![How Delhi became the most polluted city on Earth](https://cdn.statically.io/img/platform.vox.com/wp-content/uploads/sites/2/chorus/uploads/chorus_asset/file/9734675/GettyImages_871511920IndiaDelhi.jpg?quality=90&strip=all&crop=16.231884057971%2C0%2C67.536231884058%2C100&w=2400)
![How Delhi became the most polluted city on Earth](https://cdn.statically.io/img/platform.vox.com/wp-content/uploads/sites/2/chorus/uploads/chorus_asset/file/9734675/GettyImages_871511920IndiaDelhi.jpg?quality=90&strip=all&crop=0%2C0.64377682403433%2C100%2C98.712446351931&w=2400)
Breathing in the Indian capital this month was like smoking 50 cigarettes a day.
![Map: see where wildfires are causing record pollution in California](https://cdn.statically.io/img/platform.vox.com/wp-content/uploads/sites/2/chorus/uploads/chorus_asset/file/9433923/Screen_Shot_2017_10_10_at_3.58.04_PM.png?quality=90&strip=all&crop=0%2C0.5982905982906%2C100%2C98.803418803419&w=2400)
![Map: see where wildfires are causing record pollution in California](https://cdn.statically.io/img/platform.vox.com/wp-content/uploads/sites/2/chorus/uploads/chorus_asset/file/9433923/Screen_Shot_2017_10_10_at_3.58.04_PM.png?quality=90&strip=all&crop=0%2C17.065527065527%2C100%2C65.868945868946&w=2400)
Particulates from smoke have drastically impacted air quality in areas of several states.
![These countries have the deadliest air pollution. (Surprisingly, Georgia is No. 1.)](https://cdn.statically.io/img/platform.vox.com/wp-content/uploads/sites/2/chorus/uploads/chorus_asset/file/15856943/shutterstock_280828427.0.1537616407.jpg?quality=90&strip=all&crop=16.671428571429%2C0%2C66.657142857143%2C100&w=2400)
![These countries have the deadliest air pollution. (Surprisingly, Georgia is No. 1.)](https://cdn.statically.io/img/platform.vox.com/wp-content/uploads/sites/2/chorus/uploads/chorus_asset/file/15856943/shutterstock_280828427.0.1537616407.jpg?quality=90&strip=all&crop=0.0071428571428598%2C0%2C99.985714285714%2C100&w=2400)
And the US has much cleaner air than Western Europe.
![Mexico City's adopting a popular method to fight air pollution. It probably won't work.](https://cdn.statically.io/img/platform.vox.com/wp-content/uploads/sites/2/chorus/uploads/chorus_asset/file/15756118/GettyImages-687806.0.1459779730.jpg?quality=90&strip=all&crop=17.2%2C0%2C65.6%2C100&w=2400)
![Mexico City's adopting a popular method to fight air pollution. It probably won't work.](https://cdn.statically.io/img/platform.vox.com/wp-content/uploads/sites/2/chorus/uploads/chorus_asset/file/15756118/GettyImages-687806.0.1459779730.jpg?quality=90&strip=all&crop=0.8%2C0%2C98.4%2C100&w=2400)
Starting Tuesday, all cars in Mexico City will be banned from driving one day a week.
![Meet the scientist connecting the dots between air pollution and dementia](https://cdn.statically.io/img/platform.vox.com/wp-content/uploads/sites/2/chorus/uploads/chorus_asset/file/15708240/grist-air-pollution.0.1547423162.jpg?quality=90&strip=all&crop=15.180412371134%2C0%2C56.185567010309%2C100&w=2400)
![Meet the scientist connecting the dots between air pollution and dementia](https://cdn.statically.io/img/platform.vox.com/wp-content/uploads/sites/2/chorus/uploads/chorus_asset/file/15708240/grist-air-pollution.0.1547423162.jpg?quality=90&strip=all&crop=7.860824742268%2C0%2C84.278350515464%2C100&w=2400)
Increasingly, research suggests a link between dirty air and diseases like Alzheimer’s and Parkinson’s.
![India's air pollution is so bad it's reducing life expectancy by 3.2 years](https://cdn.statically.io/img/platform.vox.com/wp-content/uploads/sites/2/chorus/uploads/chorus_asset/file/15272435/157882560.0.0.1424736214.jpg?quality=90&strip=all&crop=16.666666666667%2C0%2C66.666666666667%2C100&w=2400)
![India's air pollution is so bad it's reducing life expectancy by 3.2 years](https://cdn.statically.io/img/platform.vox.com/wp-content/uploads/sites/2/chorus/uploads/chorus_asset/file/15272435/157882560.0.0.1424736214.jpg?quality=90&strip=all&crop=0%2C0%2C100%2C100&w=2400)
A new study finds that excess air pollution in India is shortening the lives of 660 million people by 3.2 years on average.
![Indoor air pollution is now the world's deadliest environmental problem](https://cdn.statically.io/img/platform.vox.com/wp-content/uploads/sites/2/chorus/uploads/chorus_asset/file/14843865/6768398713_56196f92d3_o__1_.0.0.1539459582.jpg?quality=90&strip=all&crop=16.6875%2C0%2C66.625%2C100&w=2400)
![Indoor air pollution is now the world's deadliest environmental problem](https://cdn.statically.io/img/platform.vox.com/wp-content/uploads/sites/2/chorus/uploads/chorus_asset/file/14843865/6768398713_56196f92d3_o__1_.0.0.1539459582.jpg?quality=90&strip=all&crop=0.03125%2C0%2C99.9375%2C100&w=2400)
It now kills 4 million people each year — more than malaria and AIDS combined.
![India has the world's worst air pollution](https://cdn.statically.io/img/platform.vox.com/wp-content/uploads/sites/2/chorus/uploads/chorus_asset/file/14711899/157882560.0.1498614125.jpg?quality=90&strip=all&crop=16.666666666667%2C0%2C66.666666666667%2C100&w=2400)
![India has the world's worst air pollution](https://cdn.statically.io/img/platform.vox.com/wp-content/uploads/sites/2/chorus/uploads/chorus_asset/file/14711899/157882560.0.1498614125.jpg?quality=90&strip=all&crop=0%2C0%2C100%2C100&w=2400)
If you live in a large Indian city, your lungs are taking in dangerous levels of air pollution on a daily basis.
![47% of Americans live with unsafe air pollution](https://cdn.statically.io/img/platform.vox.com/wp-content/uploads/sites/2/chorus/uploads/chorus_asset/file/14702142/167503537.0.1412183578.jpg?quality=90&strip=all&crop=16.691176470588%2C0%2C66.617647058824%2C100&w=2400)
![47% of Americans live with unsafe air pollution](https://cdn.statically.io/img/platform.vox.com/wp-content/uploads/sites/2/chorus/uploads/chorus_asset/file/14702142/167503537.0.1412183578.jpg?quality=90&strip=all&crop=0.036764705882348%2C0%2C99.926470588235%2C100&w=2400)
The US has made a ton of progress in the last few decades — but air pollution is still with us.
![Air pollution now kills 7 million people per year](https://cdn.statically.io/img/platform.vox.com/wp-content/uploads/sites/2/chorus/uploads/chorus_asset/file/14666627/800px-factory_in_china.0.1540776313.jpg?quality=90&strip=all&crop=14.875%2C0%2C70.25%2C100&w=2400)
![Air pollution now kills 7 million people per year](https://cdn.statically.io/img/platform.vox.com/wp-content/uploads/sites/2/chorus/uploads/chorus_asset/file/14666627/800px-factory_in_china.0.1540776313.jpg?quality=90&strip=all&crop=0%2C2.5504151838671%2C100%2C94.899169632266&w=2400)
The World Health Organization finds that indoor and outdoor air pollution are now one of the leading causes of death worldwide.