Statizoid

Denmark vs Mali: Ozone (O₃) concentration

Denmark
50 ppb
in 2015
Mali
50 ppb
in 2015
Denmark rank
120th
Mali rank
120th

Ozone (O₃) concentration over time

  • Denmark
  • Mali
01020304050199020022015

How they compare

Denmark currently reports 50 ppb against 50 ppb in Mali, a difference of 0 ppb.

The two have swapped places 2 times across 7 shared years of data; in 1990 it was Mali ahead.

Denmark ranks 120th and Mali ranks 120th 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.