Congo vs Laos: Ozone (O₃) concentration

Congo
62 ppb
in 2015
Laos
62 ppb
in 2015
Congo rank
55th
Laos rank
55th

Ozone (O₃) concentration over time

  • Congo
  • Laos
0204060199020022015

How they compare

Congo currently reports 62 ppb against 62 ppb in Laos, a difference of 0 ppb.

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

Congo ranks 55th and Laos ranks 55th of 187 countries.

Congo has averaged higher in every one of the 3 decades both report.

Head to head by decade

Decade Congo Laos Difference Ahead
1990s 61 ppb 48.5 ppb 12.5 ppb Congo
2000s 61 ppb 52.5 ppb 8.5 ppb Congo
2010s 62 ppb 60.33 ppb 1.67 ppb Congo

Averages of every year both report within each decade.

Frequently asked questions

Which has higher ozone (o₃) concentration, Congo or Laos?
Congo, at 62 ppb against 62 ppb in Laos as of 2015.
What is the difference in ozone (o₃) concentration between Congo and Laos?
0 ppb, with Congo ahead.
How many years of comparable data are there for Congo and Laos?
7 years are reported by both, from 1990 to 2015.
How do Congo and Laos rank globally for ozone (o₃) concentration?
Congo ranks 55th and Laos ranks 55th of 187 countries.
Where does this data come from?
Health Effects Institute (2017) – processed by Our World in Data, published as Ozone (O₃) concentration. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Congo vs Laos: Ozone (O₃) concentration. Statizoid, drawing on Health Effects Institute (2017) – processed by Our World in Data. Retrieved 24 September 2026, from https://environment.statizoid.com/compare/ozone-o3-concentration-in-ppb/congo-rep/lao-pdr/

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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.