Climate
Kupang logs 287 sunny days a year to Surabaya's 256 — Kupang wins by 31. Kupang also leads on hot days by 35.
Kupang
Feels-like °C
Dinner outside
Surabaya
Feels-like °C
Dinner outside
Air Quality
Kupang averages 9.6 µg/m³ (good) PM2.5 annually versus Surabaya's 33.5 µg/m³ (unhealthy) — Kupang breathes ~71% cleaner air (23.9 µg/m³ lower).
Kupang
Surabaya
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.
Kupang (530K) and Surabaya (6.9M) are 13x in population — Surabaya is the larger metro, Kupang the smaller; on land area Surabaya spans roughly 11x more ground.
Surabaya is roughly 12x the scale of Kupang
Combined population & area comparison
SurabayaKupangCity Scale Rankings
Surabaya6.9M13xKupang530K1xSurabaya1,304 km²11xKupang119 km²1xKupang
Surabaya
Who Thrives Here
Kupang is the stronger fit for the clean air seeker. Both cities work well for the winter escapist.
Also compared
SingaporeFrequently asked about Kupang vs Surabaya
▶How does the climate compare between Kupang and Surabaya?
▶Should I move to Kupang or Surabaya?
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