Countries by Air Pollution Exposure
Complete ranking of 38 countries • Percentage of population • Updated 2026
About Exposed To Air Pollution Rankings
Luxembourg leads all 38 countries in Exposed To Air Pollution with a value of 100, while Finland ranks last at 47.847. This represents a 2-fold difference between the highest and lowest values.
What Exposed To Air Pollution Measures
Exposed To Air Pollution is a comparative indicator tracked across countries by the OECD. It provides a quantitative basis for cross-national comparison, enabling researchers and policymakers to benchmark national performance on this dimension against global peers.
Why This Ranking Matters
Examining Exposed To Air Pollution across all countries reveals patterns that might not be obvious at the national level. Regional clusters, outlier nations, and historical trajectories all become clearer when the full global picture is assembled in a single ranking.
Global Range
Values range from 47.847 (Finland) to 100 (Luxembourg) — a 2-fold difference across 38 countries.
Regional Patterns
European countries dominate this ranking, holding 16 of the top 20 positions. This strong regional concentration suggests shared economic, geographic, or policy factors that drive higher values across the continent.
Values are tightly clustered around the median of 99.698, with most countries falling within a narrow range. A few outliers at the extremes account for most of the overall spread.
Notable Outliers
The top of the ranking is competitive: Luxembourg and Slovakia are separated by only 0%, indicating that the leading positions could shift with updated data.
Continental Leaders
Highest Ranked
The top five countries for Exposed To Air Pollution are Luxembourg (100), Slovakia (100), Lithuania (99.999), Czechia (99.999), and Slovenia (99.998). Together, these nations represent the global leaders in this metric.
Data Source & Methodology
Rankings are based on the latest available data from OECD, covering 38 of 249 countries and territories. Countries without data for this metric are excluded from the ranking. All values represent the most recently reported figures.
Top 10 Countries
Full Rankings
| Percentile | ||||
|---|---|---|---|---|
| 1st |  Luxembourg | 100.0% | Europe | 100% |
| 2nd |  Slovakia | 100.0% | Europe | 97% |
| 3rd |  Lithuania | 100.0% | Europe | 95% |
| 4th |  Czechia | 100.0% | Europe | 92% |
| 5th |  Slovenia | 100.0% | Europe | 89% |
| 6th |  Hungary | 100.0% | Europe | 87% |
| 7th |  Austria | 100.0% | Europe | 84% |
| 8th |  Germany | 100.0% | Europe | 82% |
| 9th |  Mexico | 100.0% | North America | 79% |
| 10th |  Belgium | 100.0% | Europe | 76% |
| 11th |  Costa Rica | 99.9% | North America | 74% |
| 12th |  Israel | 99.9% | Asia | 71% |
| 13th |  Ireland | 99.9% | Europe | 68% |
| 14th |  Poland | 99.9% | Europe | 66% |
| 15th |  Latvia | 99.9% | Europe | 63% |
| 16th |  Colombia | 99.8% | North America | 61% |
| 17th |  Turkey | 99.8% | Europe | 58% |
| 18th |  Switzerland | 99.7% | Europe | 55% |
| 19th |  France | 99.7% | Europe | 53% |
| 20th |  Greece | 99.7% | Europe | 50% |
| 21st |  Chile | 99.7% | South America | 47% |
| 22nd |  Netherlands | 99.4% | Europe | 45% |
| 23rd |  Japan | 99.3% | Asia | 42% |
| 24th |  Spain | 99.2% | Europe | 39% |
| 25th |  Denmark | 99.2% | Europe | 37% |
| 26th |  United Kingdom | 99.1% | Europe | 34% |
| 27th |  Italy | 99.1% | Europe | 32% |
| 28th |  South Korea | 99.1% | Asia | 29% |
| 29th |  Australia | 99.0% | Oceania | 26% |
| 30th |  Portugal | 98.3% | Europe | 24% |
| 31st |  New Zealand | 97.8% | Oceania | 21% |
| 32nd |  United States | 95.8% | North America | 18% |
| 33rd |  Estonia | 89.1% | Europe | 16% |
| 34th |  Canada | 80.8% | North America | 13% |
| 35th |  Sweden | 73.0% | Europe | 11% |
| 36th |  Norway | 70.6% | Europe | 8% |
| 37th |  Iceland | 67.7% | Europe | 5% |
| 38th |  Finland | 47.8% | Europe | 3% |