Climate
Aiud logs 80 frost days a year to Constanţa's 9 — Constanţa wins by 71. Constanţa also leads on sunny days by 38.
Aiud
Feels-like °C
Dinner outside
Constanţa
Feels-like °C
Dinner outside
Air Quality
Aiud averages 14.2 µg/m³ (moderate) PM2.5 annually versus Constanţa's 12.9 µg/m³ (moderate) — Constanţa breathes ~9% cleaner air (1.3 µg/m³ lower).
Aiud
Constanţa
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.
Aiud (28K) and Constanţa (273K) are 9.6x in population — Constanţa is the larger metro, Aiud the smaller.
Constanţa is roughly 9.6x the scale of Aiud
Based on population (area data unavailable for some cities)
ConstanţaAiudCity Scale Rankings
Constanţa273K9.6xAiud28K1xWho Thrives Here
Both cities work well for the clean air seeker.
Frequently asked about Aiud vs Constanţa
▶How does the climate compare between Aiud and Constanţa?
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