Average annual exposure to PM2.5 air pollution in San Marino
San Marino: Average annual exposure to PM2.5 air pollution was 12.74 micrograms per cubic meter in 2023. ▼ Falling
Average annual exposure to PM2.5 air pollution in San Marino, 1990–2023
Source: Global Burden of Disease Study 2023, Institute for Health Metrics and Evaluation (IHME), via World Bank (2026) – processed by Our World in Data. Measured in micrograms per cubic meter.
Analysis
In 2023, average annual exposure to pm2.5 air pollution in San Marino stood at 12.74 micrograms per cubic meter.
The figure is down 23.7% on the previous year and down 14.2% over ten years.
Over the whole period, average annual exposure to pm2.5 air pollution in San Marino peaked at 21.95 micrograms per cubic meter in 1990 and was at its lowest, 11.8 micrograms per cubic meter, in 2021.
That places San Marino 137th out of 200 countries with data for 2023, putting it in the middle of the range.
The long-run direction has been consistently falling across the 34 years of available data.
Average annual exposure to PM2.5 air pollution in San Marino, year by year
| Year | micrograms per cubic meter | Change |
|---|---|---|
| 1990 | 21.95 micrograms per cubic meter | — |
| 1991 | 21.79 micrograms per cubic meter | -0.7% |
| 1992 | 21.49 micrograms per cubic meter | -1.4% |
| 1993 | 21.18 micrograms per cubic meter | -1.4% |
| 1994 | 20.88 micrograms per cubic meter | -1.4% |
| 1995 | 20.86 micrograms per cubic meter | -0.1% |
| 1996 | 20.26 micrograms per cubic meter | -2.9% |
| 1997 | 19.96 micrograms per cubic meter | -1.5% |
| 1998 | 19.65 micrograms per cubic meter | -1.5% |
| 1999 | 19.35 micrograms per cubic meter | -1.6% |
| 2000 | 18.9 micrograms per cubic meter | -2.3% |
| 2001 | 17.54 micrograms per cubic meter | -7.2% |
| 2002 | 17.76 micrograms per cubic meter | +1.2% |
| 2003 | 19.09 micrograms per cubic meter | +7.5% |
| 2004 | 16.55 micrograms per cubic meter | -13.3% |
| 2005 | 17.22 micrograms per cubic meter | +4.0% |
| 2006 | 20.15 micrograms per cubic meter | +17.1% |
| 2007 | 19.3 micrograms per cubic meter | -4.3% |
| 2008 | 16.84 micrograms per cubic meter | -12.7% |
| 2009 | 15.98 micrograms per cubic meter | -5.1% |
| 2010 | 16.17 micrograms per cubic meter | +1.2% |
| 2011 | 17.31 micrograms per cubic meter | +7.1% |
| 2012 | 16.28 micrograms per cubic meter | -6.0% |
| 2013 | 14.84 micrograms per cubic meter | -8.8% |
| 2014 | 12.99 micrograms per cubic meter | -12.5% |
| 2015 | 16.58 micrograms per cubic meter | +27.6% |
| 2016 | 13.51 micrograms per cubic meter | -18.5% |
| 2017 | 13.98 micrograms per cubic meter | +3.5% |
| 2018 | 13.25 micrograms per cubic meter | -5.2% |
| 2019 | 12.49 micrograms per cubic meter | -5.8% |
| 2020 | 12.99 micrograms per cubic meter | +4.1% |
| 2021 | 11.8 micrograms per cubic meter | -9.2% |
| 2022 | 16.7 micrograms per cubic meter | +41.5% |
| 2023 | 12.74 micrograms per cubic meter | -23.7% |
San Marino compared with similar countries
- San Marino's 12.74 micrograms per cubic meter is above the median for high income countries, which is 10.06 micrograms per cubic meter, 1.3× the median. (70 countries reporting)
- San Marino's 12.74 micrograms per cubic meter is below the median for Europe & Central Asia, which is 12.88 micrograms per cubic meter, 99% of the median. (52 countries reporting)
Biggest year-on-year movements
Years where Average annual exposure to PM2.5 air pollution in San Marino changed far more than this series normally does. A large move can be a real event or a change in how the figure was measured — the source note below says who published it.
| Year | Change | From | To |
|---|---|---|---|
| 2022 | +41.5% | 11.8 micrograms per cubic meter | 16.7 micrograms per cubic meter |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1990s | 20.74 micrograms per cubic meter | 19.35 micrograms per cubic meter | 21.95 micrograms per cubic meter | 10 |
| 2000s | 17.93 micrograms per cubic meter | 15.98 micrograms per cubic meter | 20.15 micrograms per cubic meter | 10 |
| 2010s | 14.74 micrograms per cubic meter | 12.49 micrograms per cubic meter | 17.31 micrograms per cubic meter | 10 |
| 2020s | 13.56 micrograms per cubic meter | 11.8 micrograms per cubic meter | 16.7 micrograms per cubic meter | 4 |
Countries ranked near San Marino
- 134 Botswana 13.24 micrograms per cubic meter compare
- 135 Latvia 13.01 micrograms per cubic meter compare
- 136 Czechia 12.75 micrograms per cubic meter compare
- 138 Slovenia 12.56 micrograms per cubic meter compare
- 139 Madagascar 12.39 micrograms per cubic meter compare
- 140 East Timor 11.99 micrograms per cubic meter compare
More environment data for San Marino
- Standard Deviation, annual growth rate 0 % change on previous year (2025)
- Historical exposure to drought — Cropland soil moisture anomaly 6.82 Percentage change (2025)
- Historical exposure to drought — Land soil moisture anomaly 6.82 Percentage change (2025)
- Temperature change 2.11 °C (2025)
- Standard Deviation 0.361 °C (2025)
- Cropland — Share in Land area 25.65 % (2024)
- Permanent crops — Area 0.3125 1000 ha (2024)
- Agricultural land — Share in Land area 42.33 % (2024)
- Cropland — Area 1.57 1000 ha (2024)
- Cropland — Share in Agricultural land 60.59 % (2024)
Frequently asked questions
- What is average annual exposure to pm2.5 air pollution in San Marino?
- Average annual exposure to pm2.5 air pollution in San Marino was 12.74 micrograms per cubic meter in 2023, according to Global Burden of Disease Study 2023, Institute for Health Metrics and Evaluation (IHME), via World Bank (2026) – processed by Our World in Data.
- What is the highest average annual exposure to pm2.5 air pollution recorded in San Marino?
- The highest recorded value was 21.95 micrograms per cubic meter in 1990.
- What is the lowest average annual exposure to pm2.5 air pollution recorded in San Marino?
- The lowest recorded value was 11.8 micrograms per cubic meter in 2021.
- How does San Marino rank for average annual exposure to pm2.5 air pollution?
- San Marino ranks 137th out of 200 countries with data for 2023.
- Is average annual exposure to pm2.5 air pollution rising or falling in San Marino?
- Over the last ten years it is down 14.2%. The long-run trend across the full record is falling.
- Where does this San Marino data come from?
- The figures come from Global Burden of Disease Study 2023, Institute for Health Metrics and Evaluation (IHME), via World Bank (2026) – processed by Our World in Data, published as part of Average annual exposure to PM2.5 air pollution. Statizoid updates them automatically from the source API.
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CSV · JSON — 34 observations, free to reuse under CC BY 4.0 (Our World in Data).
About this data
The average level of exposure of the population to suspended particles less than 2.5 microns in diameter, which are capable of penetrating deep into the respiratory tract and damaging health. This is measured in micrograms per cubic meter.