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Data for 2011

PM2.5 Air Pollution Exposure, 2011

Figures for 2011, as Atmospheric Composition Analysis Group published them · stored as published, never rewritten

PM2.5 is the dust, soot and smoke in the air fine enough to reach deep into the lungs. This is the yearly average concentration the typical resident breathes: the country's pollution map weighted by where its people live, estimated from satellites, a chemical model and ground monitors.

PM2.5 Air Pollution Exposure, 2011 covers 220 countries on 4 measures. Qatar is highest, at 85.4; Greenland is lowest, at 2.1. The middle country reads 16.4. Against 2010, 217 values changed (105 up, 112 down), the same countries are covered.

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PM2.5 Air Pollution Exposure · Data for 2011

HighestQatar

85.4

LowestGreenland

2.1

Shaded by value in five groups of equal size, darkest at the lowest end.

01Position · derived

The table

Every country and every column of PM2.5 Air Pollution Exposure, 2011, as published. Atmospheric Composition Analysis Group ranks nobody on this measure; the position is derived here by ordering the published values. “=” marks a shared position.

Showing 25 of 220 countries · select a heading to sort

PM2.5 Air Pollution Exposure, 2011: every country, as published by Atmospheric Composition Analysis Group, Washington University in St. Louis.
derived
1QatarQATWestern Asia85.4107.1100.0100.0
2BangladeshBGDSouthern Asia74.067.6100.096.5
3KuwaitKWTWestern Asia63.257.8100.0100.0
4Saudi ArabiaSAUWestern Asia60.849.3100.088.8
5LesothoLSOSouthern Africa60.771.6100.091.1
6EgyptEGYNorthern Africa54.534.1100.091.2
7NigerNERWestern Africa52.847.9100.099.2
8IndiaINDSouthern Asia51.743.0100.071.0
=9BahrainBHRWestern Asia50.753.1100.097.2
=9ChinaCHNEastern Asia50.730.1100.080.7
11PakistanPAKSouthern Asia47.139.5100.081.3
12United Arab EmiratesAREWestern Asia46.454.4100.096.9
13IraqIRQWestern Asia41.936.6100.071.0
14MauritaniaMRTWestern Africa40.341.1100.076.9
15NepalNPLSouthern Asia39.332.3100.066.2
16NigeriaNGAWestern Africa38.439.5100.052.7
=17CameroonCMRMiddle Africa36.528.9100.039.5
=17OmanOMNWestern Asia36.538.5100.057.2
19AfghanistanAFGSouthern Asia35.936.5100.046.1
20ChadTCDMiddle Africa35.541.4100.027.5
21IranIRNSouthern Asia35.435.7100.050.4
22Burkina FasoBFAWestern Africa35.233.4100.041.0
23MaliMLIWestern Africa34.434.6100.040.5
24BhutanBTNSouthern Asia34.027.6100.034.0
25SenegalSENWestern Africa33.733.1100.028.9

02In 2011

At either end

The 5 countries at each end of the headline, then the highest and lowest on each other measure.

Highest

  1. 1Qatar85.4
  2. 2Bangladesh74.0
  3. 3Kuwait63.2
  4. 4Saudi Arabia60.8
  5. 5Lesotho60.7

Lowest

  1. 220Greenland2.1
  2. 219French Polynesia2.2
  3. 218Cook Islands2.4
  4. 217American Samoa2.7
  5. 214Tuvalushared3.0

A higher value is the worse result. The middle country reads 16.4. “Shared” marks a value another country also holds.

Each measure’s ends

  • PM2.5, geographic mean (µg/m³)

    HighestQatar107.1

    LowestFrench Polynesia-1.9

    Middle country: 15.3

  • People at or above 5 µg/m³, the WHO guideline (%)

    Highest154 share it

    Lowest11 share it

    Middle country: 100.0

  • People at or above 35 µg/m³, the WHO's first interim target (%)

    Highest2 share it

    Lowest131 share it

    Middle country: 0.0

032010 → 2011

Since 2010

  • +0 / −0countries joined / left
  • 217values changed, of 220 in both
  • 105 · 112rose · fell
  • 3unchanged

Rose most

Fell most

Changes in value, not in places: a country’s place also moves when others do.

04Caveats

Read before you use

How values are stored
  • 170 distinct values among 220

    Values are stored exactly as published, to 1 decimal. 3 countries share 29.3. Countries sharing a value share a position too.

  • Nothing missing

    Every one of the 220 countries has every column.

05The files

Download and cite

Licence in full

What this site changed: Reshaped to one row per country, with its ISO code; no value recalculated, rescaled or rounded. In full

Licence: CC BY 4.0 · what it allows, in plain words

Cite this edition

Atmospheric Composition Analysis Group, Washington University in St. Louis (2011). PM2.5 Air Pollution Exposure, 2011 [data set], describing 2011. As held by Nations Inquiry, https://nationsinquiry.com/datasets/pm25-exposure/2011

0626 held

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