Climate
Taichung logs 256 sunny days a year to Yilan's 147 — Taichung wins by 109. Yilan also leads on hot days by 10.
Taichung
Feels-like °C
Dinner outside
Yilan
Feels-like °C
Dinner outside
Air Quality
Taichung averages 20.3 µg/m³ (sensitive-groups) PM2.5 annually versus Yilan's 14.4 µg/m³ (moderate) — Yilan breathes ~29% cleaner air (5.9 µg/m³ lower).
Taichung
Yilan
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.
Taichung (2.3M) and Yilan (76K) are 30x in population — Taichung is the larger metro, Yilan the smaller; on land area Taichung spans roughly 16x more ground.
Taichung is roughly 22x the scale of Yilan
Combined population & area comparison
TaichungYilanCity Scale Rankings
Taichung2.3M30xYilan76K1xTaichung313 km²16xYilan19 km²1xTaichung
Yilan
Who Thrives Here
Taichung favours the sunshine lover, while Yilan suits the clean air seeker. Both cities work well for the winter escapist.
Also compared
TokyoFrequently asked about Taichung vs Yilan
▶How does the climate compare between Taichung and Yilan?
▶Should I move to Taichung or Yilan?
The best city depends on what matters to you
This comparison shows how Taichung and Yilan 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.
Take the free diagnostic10 minutes, no account needed