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Countries with the Least Air Pollution

Name the countries with the lowest level of human exposure to particulate matter.
For the year 2015 according to the World Bank. To make it easier we filled in countries below 1 million in population
Last updated: January 05, 2017
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μg/m3
Population
Country
3.4
< 1 mil
Kiribati
3.7
< 1 mil
Samoa
3.9
< 1 mil
Tonga
5.0
< 1 mil
Brunei
5.2
< 1 mil
Solomon Islands
5.4
4.6 mil
New Zealand
5.8
24 mil
Australia
6.0
< 1 mil
Fiji
6.1
< 1 mil
F. S. Micronesia
6.1
9.8 mil
Sweden
6.5
< 1 mil
Vanuatu
7.0
36 mil
Canada
7.2
5.5 mil
Finland
7.4
4.5 mil
Liberia
7.5
< 1 mil
Iceland
8.3
321 mil
United States
8.9
5.2 mil
Norway
9.1
1.3 mil
Estonia
μg/m3
Population
Country
9.1
< 1 mil
Marshall Islands
9.5
10.3 mil
Portugal
9.6
4.6 mil
Ireland
9.6
46.4 mil
Spain
9.7
< 1 mil
Andorra
10.4
7.6 mil
Papua New Guinea
10.7
5.7 mil
Denmark
11.1
208 mil
Brazil
11.2
3.4 mil
Uruguay
12.1
66.8 mil
France
12.2
65.1 mil
United Kingdom
12.5
< 1 mil
Dominica
12.5
16.1 mil
Ecuador
12.6
< 1 mil
Bahamas
12.6
3.9 mil
Panama
12.6
< 1 mil
São Tomé and Príncipe
12.6
8.3 mil
Switzerland
+1
level ∞
Jan 5, 2017
The standard type-ins were not applied, as infinitely many commenters pointed out. They will work now.
+2
level 52
Jan 5, 2017
It's surprising that the U.S. is on here, given how bad our pollution is in the cities. I guess the amount of rural areas with less pollution offsets that?
+1
level 54
Jan 5, 2017
I was pleasantly surprised as well.
+1
level ∞
Jan 5, 2017
Its based on the effect of pollution on the population. The U.S. is high on the list because we have excellent air quality, even in the urban areas.
+1
level 51
Apr 22, 2017
It's mostly surprising because the press would have us believe that the US is the worst in everything.
+2
level 75
Apr 22, 2017
yes. this. One thing that foreigners, including many Europeans, comment on when talking to me about their impression of the United States when they visited is how incredibly clean everything is. Like my ex's mother from Romania who went and bought new white sneakers, walked around outside for a day in them, and just couldn't stop talking about how the bottoms of her sneaker were still white. The US has excellent water and air quality and the water from the tap is among the best in the world, too. It wasn't always this way. It was a hard long road to progress that the country made from the 1960s/70s. And it won't last if Trump has anything to say about it.
+2
level 27
Apr 22, 2017
Yes the USA is one of the top countries in many categories. Sadly the media and many top academics/left wingers seem to demonize it and its capitalist 'evils'.
+1
level 66
Apr 22, 2017
I will say that the US is far, far cleaner than most countries I've visited...and France is absolutely filthy.
+1
level 54
Apr 27, 2017
It doesn't seem reasonable to extrapolate political understandings and their correctness or incorrectness based on the US' presence on this one quiz.
+1
level 59
Aug 7, 2018
Of the 500 cities with the most air pollution, the United States has zero of them.
+1
level 48
Jan 5, 2017
Why are some of the countries given? Maybe give a bit more time but don't give any answers?
+1
level 63
Jan 6, 2017
Because they're small countries, which most regular users won't get (though I'm sure any Jetpunk expert would get them all).
+1
level 46
Apr 22, 2017
Oh, please... that's a poor comment. No country should be given. Furthermore, your criteria is very subjective.
+1
level 70
Apr 22, 2017
Who cares about the "regular users". What's the point of a quiz when it gives you half of the answers right away?
+1
level 68
Jan 5, 2017
I was ready to start typing Pacific Island nations and Iceland, only to see all my first guesses already filled in.
+1
level 75
Apr 22, 2017
Same here. Seems to me that it might have been better to make a caveat, "Countries with over one million population," and omit the smaller countries altogether, or better yet just give us credit for being able to figure out all of them. I think I've been insulted. :)
+1
level 54
Jan 5, 2017
I was surprised to see Liberia on here when none of the other African countries worked. Does anyone know what makes it different?
+1
level ∞
Jan 5, 2017
Nothing really. Other countries near Liberia also have decent air quality, just not enough to make the list.
+2
level 70
Apr 22, 2017
The air quality may be good, but not the food, water, health, living, and any other type of quality you could think of.
+1
level 75
Apr 22, 2017
I missed Liberia and several Latin American countries. The latter because after guessing several others that I thought would make it but did not (Argentina, Chile, Bolivia, Costa Rica)... I wouldn't have thought to guess the ones that actually did make it.
+1
level 57
Jan 15, 2017
US, 55%? I knew people think low of the country, but didn't know that low!
+1
level 76
Apr 8, 2017
It's a question of balance. Perhaps people didn't realise that bad air pollution in urban areas was offset by the vast stretches of rural areas that the US has.
+1
level 61
Apr 22, 2017
Earth Day! Btw I do not like this answer fill-ins. I don't think anyone does.
+1
level 67
Apr 22, 2017
Same here -regular quizzers would guess most of those countries anyway.
+1
level 47
Apr 22, 2017
Yeah, I agree. Any of us are capable of getting those nations.
+1
level 59
Apr 22, 2017
It is possible to guess half the countries based on their population. I'd remove that column so quiz takers have to think about which countries have the best air quality, not for example, 321 million people.
+1
level 70
Apr 22, 2017
Funny. The country with the best air quality (Kiribati) is suffering the most from climate change. That sucks.
+1
level 51
Apr 22, 2017
surprised bhutan isnt here
+1
level 65
Nov 6, 2017
It's on the quiz of countries with worst air pollution. Now that's surprising!
+1
level 50
Apr 22, 2017
Please remove auto-fill answers for small countries. I don't know why this is becoming a common theme so much lately, but it makes for poor quizzes when half the answers are there out of the gate.
+1
level 77
Apr 23, 2017
Spot on.
+1
level 61
Apr 24, 2017
Why have you given us half the answers... Please don't insult us by thinking we have not heard of Andorra etc.
+1
level 72
Apr 24, 2017
Suggestion: remove all the given answers and note in the instructions that all countries are >1 million. This has been done in other quizzes without backlash. The reason would be obvious for this quiz, and it would clean up the board nicely.
+1
level 60
Apr 25, 2017
Costa Rica with be on this quiz in a couple of years.
+1
level 57
Apr 26, 2017
Please stop making it easier! What's the point!? No one is here because it's easy.
+1
level 53
Apr 30, 2017
Rubbish. Like picking up the newspaper and the crossword has already been more than half completed.
+1
level 65
Nov 6, 2017
I'm surprised that Australia made this list, because the quiz on worst polluted countries includes a lot of desert countries as they count sand as particles people are exposed to.
+1
level 66
Jul 7, 2018
Liberia may have cleanish air but everything on the ground is one massive open sewer.
+1
level 54
Dec 2, 2018
I'm surprised of Australia and America's inclusion but the one I'm most surprised about is Brazil.
+1
level 55
Jan 16, 2019
Totally agree--very, very silly to invalidate the small countries. Please correct!