Air Quality Lab — Thanh Hóa, Vietnam
Air Quality Profile·
Thanh Hóa reports an annual PM2.5 of 29.2 µg/m³. That's above the EU annual limit of 25 µg/m³ — long-term exposure here carries documented health trade-offs.
Thanh Hóa
Vietnam
VietnamAnnual Average
PoorWHO annual classification
29.2µg/m³
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
PM2.5
4242 µg/m³ — Unhealthy
3535 µg/m³ — Poor
2525 µg/m³ — Moderate
2323 µg/m³ — Moderate
2323 µg/m³ — Moderate
2525 µg/m³ — Poor
2222 µg/m³ — Moderate
2020 µg/m³ — Moderate
2626 µg/m³ — Poor
3030 µg/m³ — Poor
3838 µg/m³ — Unhealthy
4242 µg/m³ — Unhealthy
Jan
Feb
Mar
Apr
May
Jun
4242 µg/m³ — Unhealthy
3535 µg/m³ — Poor
2525 µg/m³ — Moderate
2323 µg/m³ — Moderate
2323 µg/m³ — Moderate
2525 µg/m³ — Poor
Jul
Aug
Sep
Oct
Nov
Dec
2222 µg/m³ — Moderate
2020 µg/m³ — Moderate
2626 µg/m³ — Poor
3030 µg/m³ — Poor
3838 µg/m³ — Unhealthy
4242 µg/m³ — Unhealthy
Best months: May, Jul–AugWorst months: Jan, Nov–Dec
Moderate15–25 µg/m³Poor25–35 µg/m³Unhealthy35–50 µg/m³
Based on WUSTL PM2.5 dataset (2020–2024) · WHO 2021 thresholds
Confidence: ●●●
How air quality compares
Compared across Vietnam
Thanh Hóa: 29.2 µg/m³. Typical range in Vietnam: 19.2–28.5 µg/m³. Low anchor: Vũng Tàu, 15.8 µg/m³. High anchor: Hanoi, 35.4 µg/m³.
99 cities tracked