Portugal vs Spain: Emissions of air pollutants

Portugal
33.53 (1990 = 100)
in 2015
Spain
34.34 (1990 = 100)
in 2015
Portugal rank
23rd
Spain rank
20th

Emissions of air pollutants over time

  • Portugal
  • Spain
406080100199020022015

How they compare

Spain currently reports 34.34 (1990 = 100) against 33.53 (1990 = 100) in Portugal, a difference of 0.81 (1990 = 100).

The two have swapped places 2 times across 26 shared years of data; in 1990 it was Spain ahead.

Portugal ranks 23rd and Spain ranks 20th of 31 countries.

Portugal has averaged higher in every one of the 3 decades both report.

Head to head by decade

Decade Portugal Spain Difference Ahead
1990s 98.42 (1990 = 100) 88.3 (1990 = 100) 10.13 (1990 = 100) Portugal
2000s 58.71 (1990 = 100) 45.7 (1990 = 100) 13 (1990 = 100) Portugal
2010s 36.17 (1990 = 100) 35.02 (1990 = 100) 1.15 (1990 = 100) Portugal

Averages of every year both report within each decade.

Frequently asked questions

Which has higher emissions of air pollutants, Portugal or Spain?
Spain, at 34.34 (1990 = 100) against 33.53 (1990 = 100) in Portugal as of 2015.
What is the difference in emissions of air pollutants between Portugal and Spain?
0.81 (1990 = 100), with Spain ahead.
How many years of comparable data are there for Portugal and Spain?
26 years are reported by both, from 1990 to 2015.
How do Portugal and Spain rank globally for emissions of air pollutants?
Portugal ranks 23rd and Spain ranks 20th of 31 countries.
Where does this data come from?
OECD (2018) – processed by Our World in Data, published as Emissions of air pollutants. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Portugal vs Spain: Emissions of air pollutants. Statizoid, drawing on OECD (2018) – processed by Our World in Data. Retrieved 26 September 2026, from https://climate.statizoid.com/compare/emissions-of-air-pollutants-oecd/portugal/spain/

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About this data

Indicator
Emissions of air pollutants
Unit
(1990 = 100)
Source
OECD (2018) – processed by Our World in Data
Licence
CC BY 4.0 (Our World in Data)
Coverage
31 places, 806 data points, 1990–2015
Last refreshed

Index of local air pollutant emissions since 1990. Annual emission levels are assumed to be 100 in 1990; values less than 100 therefore indicate a reduction in emissions; values over 100 indicate an increase since 1990.