Sierra Leone vs Sri Lanka: Particulate matter exposure in 1990 vs. 2017

Sierra Leone

22.46 micrograms per cubic meter

in 2023

Sri Lanka

22.68 micrograms per cubic meter

in 2023

Sierra Leone rank

69th

Sri Lanka rank

68th

Particulate matter exposure in 1990 vs. 2017 over time

Sierra Leone
Sri Lanka

How they compare

Sri Lanka currently reports 22.68 micrograms per cubic meter against 22.46 micrograms per cubic meter in Sierra Leone, a difference of 0.2207 micrograms per cubic meter.

The two have swapped places 4 times across 34 shared years of data; in 1990 it was Sri Lanka ahead.

Sierra Leone ranks 69th and Sri Lanka ranks 68th 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).