City in Preah Sihanouk, Cambodia
Air quality in Sihanoukville
Polluted
The annual average PM2.5 in Sihanoukville was 19 µg/m³ in 2021, about 3.8 times the WHO guideline of 5 µg/m³. Construction dust and burning trash can make air poor at times.
Key facts
- PM2.5: 19 µg/m³ yearly average (2021). Measured at Sihanouk Vil, 17 km away.
- Recent average: 21 µg/m³ over the last five years of measurements.
PM2.5 by year
| Year | Annual average |
|---|---|
| 2021 | |
| 2020 | |
| 2019 |
Air quality across Cambodia
| Place | PM2.5 | Level |
|---|---|---|
| Kep | 10 µg/m³ | Fairly clean |
| Kampot | 13 µg/m³ | Moderate |
| Phnom Penh | 19 µg/m³ | Polluted |
| Sihanoukville | 19 µg/m³ | Polluted |
| Battambang | 35 µg/m³ | Very polluted |
| Siem Reap | 37 µg/m³ | Severely polluted |
Quick answers
Is the air in Sihanoukville bad?
Polluted: 19 µg/m³ of PM2.5 on average, 3.8× the WHO guideline.
When is the air worst in Sihanoukville?
Construction dust and burning trash can make air poor at times.
How does Sihanoukville compare with the rest of Cambodia?
People in Cambodia breathe 19 µg/m³ of PM2.5 on average (2023, World Bank/WHO), against 19 µg/m³ measured here.
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Sources
- WHO Ambient Air Quality Database
- WHO air quality guidelines (2021)
- Live air quality map (WAQI)
- Cambodia Ministry of Tourism
- Cambodia Airports
- UK FCDO travel advice: Cambodia
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 Spotted something out of date?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.