Sao Tome and Principe vs Singapore: Ozone o3 concentration in ppb

Sao Tome and Principe
55
in 2015
Singapore
56
in 2015
Sao Tome and Principe rank
92nd
Singapore rank
90th

Ozone o3 concentration in ppb over time

  • Sao Tome and Principe
  • Singapore
0204060199020022015

How they compare

Singapore currently reports 56 against 55 in Sao Tome and Principe, a difference of 1.

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

Sao Tome and Principe ranks 92nd and Singapore ranks 90th of 187 countries.

Across the 3 decades both report, Sao Tome and Principe averaged higher in 2 and Singapore in 1.

Head to head by decade

Decade Sao Tome and Principe Singapore Difference Ahead
1990s 53.5 62 8.5 Singapore
2000s 54 50 4 Sao Tome and Principe
2010s 54.33 54 0.3333 Sao Tome and Principe

Averages of every year both report within each decade.

Frequently asked questions

Which has higher ozone o3 concentration in ppb, Sao Tome and Principe or Singapore?
Singapore, at 56 against 55 in Sao Tome and Principe as of 2015.
What is the difference in ozone o3 concentration in ppb between Sao Tome and Principe and Singapore?
1, with Singapore ahead.
How many years of comparable data are there for Sao Tome and Principe and Singapore?
7 years are reported by both, from 1990 to 2015.
How do Sao Tome and Principe and Singapore rank globally for ozone o3 concentration in ppb?
Sao Tome and Principe ranks 92nd and Singapore ranks 90th of 187 countries.
Where does this data come from?
Our World in Data, published as Ozone o3 concentration in ppb. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Sao Tome and Principe vs Singapore: Ozone o3 concentration in ppb. Statizoid, drawing on Our World in Data. Retrieved 27 August 2026, from https://environment.statizoid.com/compare/ozone-o3-concentration-in-ppb/sao-tome-and-principe/singapore/

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About this data

Indicator
Ozone o3 concentration in ppb
Source
Our World in Data
Licence
CC BY 4.0 (Our World in Data)
Coverage
187 places, 1,309 data points, 1990–2015
Last refreshed