Air Quality
2.1/5
29.2 µg/m³Unhealthy
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: ●●●
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 HóaVietnam
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: ●●●
Who thrives in Thanh Hóa
Things to consider in Thanh Hóa
PM2.5 annual average of 29.2 µg/m³ exceeds the WHO interim target of 15 µg/m³. The WHO guideline value is 5 µg/m³.
Data sources: WHO (air quality), OECD (safety).
Why not Thanh Hóa?
Why not Thanh Hóa? Honestly, air quality is a meaningful downside — at 29.2 µg/m³ annual PM2.5, Thanh Hóa sits above the EU limit, which may matter for allergy sufferers or long-term residents.
Frequently asked about Thanh Hóa
▶How many sunny days does Thanh Hóa have per year?
Thanh Hóa averages approximately 139 sunny days per year, based on historical climate data.
▶What is the air quality in Thanh Hóa?
Thanh Hóa has an annual PM2.5 concentration of 29.2 µg/m³, classified as "Poor" by WHO standards. Significantly above WHO targets. Increased health risk, especially outdoors.