Climate
Bucharest logs 60 hot days a year to Iaşi's 37 — Iaşi wins by 23. Bucharest also leads on frost days by 15.
Bucharest
Feels-like °C
Dinner outside
Iaşi
Feels-like °C
Dinner outside
Air Quality
Bucharest averages 16.0 µg/m³ (sensitive-groups) PM2.5 annually versus Iaşi's 13.8 µg/m³ (moderate) — Iaşi breathes ~13% cleaner air (2.2 µg/m³ lower).
Bucharest
Iaşi
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.
Bucharest (2.0M) and Iaşi (305K) are 6.5x in population — Bucharest is the larger metro, Iaşi the smaller; on land area Bucharest spans roughly 4.3x more ground.
Bucharest is roughly 5.3x the scale of Iaşi
Combined population & area comparison
City Scale Rankings
Bucharest
Iaşi
Who Thrives Here
Both cities work well for the clean air seeker.
Frequently asked about Bucharest vs Iaşi
▶How does the climate compare between Bucharest and Iaşi?
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