Climate
Antofagasta logs 0 frost days a year to Rancagua's 40 — Antofagasta wins by 40. Antofagasta also leads on hot days by 7.
Antofagasta
Feels-like °C
Dinner outside
Rancagua
Feels-like °C
Dinner outside
Air Quality
Antofagasta averages 14.3 µg/m³ (moderate) PM2.5 annually versus Rancagua's 30.2 µg/m³ (unhealthy) — Antofagasta breathes ~53% cleaner air (15.8 µg/m³ lower).
Antofagasta
Rancagua
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.
Antofagasta (365K) and Rancagua (278K) are 1.3x in population — Antofagasta is the larger metro, Rancagua the smaller.
Antofagasta is roughly 1.2x the scale of Rancagua
Combined population & area comparison
AntofagastaRancaguaCity Scale Rankings
Antofagasta365K1.3xRancagua278K1xAntofagasta56 km²1.1xRancagua53 km²1xAntofagasta
Rancagua
Who Thrives Here
Antofagasta is the stronger fit for the clean air seeker. Both cities work well for the sunshine lover.
Also compared
Frequently asked about Antofagasta vs Rancagua
▶How does the climate compare between Antofagasta and Rancagua?
▶Should I move to Antofagasta or Rancagua?
The best city depends on what matters to you
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