Madagascar vs San Marino: Particulate matter exposure in 1990 vs. 2017

Madagascar

12.39 micrograms per cubic meter

in 2023

San Marino

12.74 micrograms per cubic meter

in 2023

Madagascar rank

139th

San Marino rank

137th

Particulate matter exposure in 1990 vs. 2017 over time

Madagascar
San Marino

How they compare

San Marino currently reports 12.74 micrograms per cubic meter against 12.39 micrograms per cubic meter in Madagascar, a difference of 0.3495 micrograms per cubic meter.

The two have swapped places 10 times across 34 shared years of data; in 1990 it was San Marino ahead.

Madagascar ranks 139th and San Marino ranks 137th of 200 countries.

Individual pages

About this data

Indicator: Particulate matter exposure in 1990 vs. 2017
Unit: micrograms per cubic meter
Source: Global Burden of Disease Study 2023, Institute for Health Metrics and Evaluation (IHME), via World Bank (2026) – processed by Our World in Data
Licence: CC BY 4.0 (Our World in Data)
Coverage: 200 places, 6,800 data points, 1990–2023
Last refreshed: 07 August 2026

Population-weighted average level of exposure to concentrations of suspended particles measuring less than 2.5 microns in diameter. Exposure is measured in micrograms per cubic metre (µg/m³).