Climate
Antofagasta logs 0 frost days a year to Chillán's 5 — Antofagasta wins by 5. Antofagasta also leads on hot days by 27.
Antofagasta
Feels-like °C
Dinner outside
Chillán
Feels-like °C
Dinner outside
Air Quality
Antofagasta averages 14.3 µg/m³ (moderate) PM2.5 annually versus Chillán's 24.0 µg/m³ (sensitive-groups) — Antofagasta breathes ~40% cleaner air (9.7 µg/m³ lower).
Antofagasta
Chillán
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 Chillán (169K) are 2.2x in population — Antofagasta is the larger metro, Chillán the smaller; on land area Antofagasta spans roughly 1.5x more ground.
Antofagasta is roughly 1.8x the scale of Chillán
Combined population & area comparison
City Scale Rankings
Antofagasta
Chillán
Who Thrives Here
Antofagasta is the stronger fit for the eternal summer. Both cities work well for the sunshine lover.
Also compared
Frequently asked about Antofagasta vs Chillán
▶How does the climate compare between Antofagasta and Chillán?
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