Statizoid

Grenada vs Tonga: Ozone (O₃) concentration

Grenada
39 ppb
in 2015
Tonga
39 ppb
in 2015
Grenada rank
169th
Tonga rank
169th

Ozone (O₃) concentration over time

  • Grenada
  • Tonga
010203040199020022015

How they compare

Grenada currently reports 39 ppb against 39 ppb in Tonga, a difference of 0 ppb.

Across all 7 years both countries report, Tonga has been ahead every year.

Grenada ranks 169th and Tonga ranks 169th of 187 countries.

Individual pages

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

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.