Capital city, El Salvador
Air quality in San Salvador
23.3PM2.5 µg/m³, yearly
Polluted
The annual average PM2.5 in San Salvador was 23.3 µg/m³ in 2024, about 4.7 times the WHO guideline of 5 µg/m³.
Key facts
- PM2.5: 23.3 µg/m³ yearly average (2024). Measured at San Salvador.
- Recent average: 21.9 µg/m³ over the last five years of measurements.
PM2.5 by year
| Year | Annual average |
|---|---|
| 2024 | |
| 2023 | |
| 2022 | |
| 2021 | |
| 2020 | |
| 2019 | |
| 2018 |
Quick answers
Is the air in San Salvador bad?
Polluted: 23.3 µg/m³ of PM2.5 on average, 4.7× the WHO guideline.
How does San Salvador compare with the rest of El Salvador?
People in El Salvador breathe 30 µg/m³ of PM2.5 on average (2023, World Bank/WHO), against 23.3 µg/m³ measured here.
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Sources
- WHO Ambient Air Quality Database
- WHO air quality guidelines (2021)
- Live air quality map (WAQI)
- Ministerio de Turismo (CORSATUR)
Annual averages are measured values reported to the WHO; check a live map for today's air. Compiled and reviewed by SoloSquare. How we compile and score this. Spotted something out of date? Tell us.