Climate
Hanoi logs 6 outdoor-dinner months a year to Sông Cầu's 3 — Hanoi wins by 3. Sông Cầu also leads on sunny days by 95.
Hanoi
Feels-like °C
Dinner outside
Sông Cầu
Feels-like °C
Dinner outside
Air Quality
Hanoi averages 35.4 µg/m³ (very unhealthy) PM2.5 annually versus Sông Cầu's 14.6 µg/m³ (moderate) — Sông Cầu breathes ~59% cleaner air (20.7 µg/m³ lower).
Hanoi
Sông Cầu
PM2.5 annual average
WHO classification
City Scale
Both maps at the same real-world scale — 1 cm on either map is the same distance.
Hanoi (5.0M) and Sông Cầu (94K) are 53x in population — Hanoi is the larger metro, Sông Cầu the smaller.
Hanoi is roughly 53x the scale of Sông Cầu
Based on population (area data unavailable for some cities)
HanoiSông CầuCity Scale Rankings
Hanoi5.0M53xSông Cầu94K1xWho Thrives Here
Sông Cầu is the stronger fit for the clean air seeker. Both cities work well for the winter escapist.
Also compared
SingaporeFrequently asked about Hanoi vs Sông Cầu
▶How does the climate compare between Hanoi and Sông Cầu?
▶Should I move to Hanoi or Sông Cầu?
The best city depends on what matters to you
This comparison shows how Hanoi and Sông Cầu stack up on the data. But your climate preferences, budget, career needs, and lifestyle priorities can shift the picture entirely. A personalized diagnostic finds what fits your life.
Take the free diagnostic10 minutes, no account needed