Guyana vs Samoa: Ozone (O₃) concentration

Guyana

32 ppb

in 2015

Samoa

31 ppb

in 2015

Guyana rank

183rd

Samoa rank

184th

Ozone (O₃) concentration over time

Guyana
Samoa

How they compare

Guyana currently reports 32 ppb against 31 ppb in Samoa, a difference of 1 ppb.

The two have swapped places 1 time across 7 shared years of data; in 1990 it was Samoa ahead.

Guyana ranks 183rd and Samoa ranks 184th of 187 countries.

Individual pages

Ozone (O₃) concentration in Guyana
Ozone (O₃) concentration in Samoa
Full country ranking

About this data

Indicator: Ozone (O₃) concentration
Unit: ppb
Source: Health Effects Institute (2017) – processed by Our World in Data
Licence: CC BY 4.0 (Our World in Data)
Coverage: 187 places, 1,309 data points, 1990–2015
Last refreshed: 07 August 2026

Population-weighted average ozone (O₃) concentrations in parts per billion (ppb). Local concentrations of ozone are recorded and estimated at a 11x11km resolution. These values are subsequently weighted by population-density for calculation of nation-level average concentrations.