Climate
Buenos Aires logs 19 hot days a year to Puerto Iguazú's 141 — Buenos Aires wins by 122. Puerto Iguazú also leads on outdoor-dinner months by 7.
Buenos Aires
Feels-like °C
Dinner outside
Puerto Iguazú
Feels-like °C
Dinner outside
Cost of Living
Buenos Aires averages $1,148/mo for balanced living; Puerto Iguazú has no cost baseline yet.
Buenos Aires
$1,148monthly · balanced
Mobility
Buenos Aires scores 3.0 on mobility (0–5 scale); Puerto Iguazú has no mobility baseline.
Culture
Buenos Aires's culture score of 4.1 sits well above Puerto Iguazú's 0.0.
Nature & Outdoors
Buenos Aires scores 3.2 on nature & outdoors (0–5 scale); Puerto Iguazú has no nature & outdoors baseline.
Safety
Buenos Aires scores 1.5 on safety (0–5 scale); Puerto Iguazú has no safety baseline.
Career
Buenos Aires scores 3.4 on career (0–5 scale); Puerto Iguazú has no career baseline.
Social & Community
Buenos Aires scores 3.2 on social & community (0–5 scale); Puerto Iguazú has no social & community baseline.
Food & Dining
Buenos Aires scores 3.4 on food & dining (0–5 scale); Puerto Iguazú has no food & dining baseline.
Family
Buenos Aires scores 3.1 on family (0–5 scale); Puerto Iguazú has no family baseline.
Healthcare
Buenos Aires scores 2.7 on healthcare (0–5 scale); Puerto Iguazú has no healthcare baseline.
Air Quality
Buenos Aires averages 15.4 µg/m³ (sensitive-groups) PM2.5 annually versus Puerto Iguazú's 12 µg/m³ (moderate) — Puerto Iguazú breathes ~22% cleaner air (3.4 µg/m³ lower).
Buenos Aires
Puerto Iguazú
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.
Buenos Aires (14.2M) and Puerto Iguazú (55K) are 260x in population — Buenos Aires is the larger metro, Puerto Iguazú the smaller; on land area Buenos Aires spans roughly 182x more ground.
Buenos Aires is roughly 217x the scale of Puerto Iguazú
Combined population & area comparison
Buenos AiresPuerto IguazúCity Scale Rankings
Buenos Aires14.2M260xPuerto Iguazú55K1xBuenos Aires2,186 km²182xPuerto Iguazú12 km²1xBuenos Aires
Puerto Iguazú
Who Thrives Here
Buenos Aires is the stronger fit for the big city energy. Both cities work well for the winter escapist.
Also compared
Barcelona 
Berlin 
MiamiFrequently asked about Buenos Aires vs Puerto Iguazú
▶Which is cheaper, Buenos Aires or Puerto Iguazú?
▶How does the climate compare between Buenos Aires and Puerto Iguazú?
▶Is Buenos Aires or Puerto Iguazú safer?
▶Should I move to Buenos Aires or Puerto Iguazú?
The best city depends on what matters to you
This comparison shows how Buenos Aires and Puerto Iguazú 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.
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