Climate
Ma On Shan logs 105 hot days a year to Tuen Mun's 109 — Ma On Shan wins by 4. Ma On Shan also leads on sunny days by 6.
Ma On Shan
Feels-like °C
Dinner outside
Tuen Mun
Feels-like °C
Dinner outside
Air Quality
Ma On Shan averages 13.4 µg/m³ (moderate) PM2.5 annually versus Tuen Mun's 19.8 µg/m³ (sensitive-groups) — Ma On Shan breathes ~32% cleaner air (6.4 µg/m³ lower).
Ma On Shan
Tuen Mun
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.
Ma On Shan (215K) and Tuen Mun (1.1M) are 5.0x in population — Tuen Mun is the larger metro, Ma On Shan the smaller.
Tuen Mun is roughly 5.0x the scale of Ma On Shan
Based on population (area data unavailable for some cities)
Tuen MunMa On ShanCity Scale Rankings
Tuen Mun1.1M5.0xMa On Shan215K1xWho Thrives Here
Ma On Shan is the stronger fit for the clean air seeker. Both cities work well for the winter escapist.
Also compared
Hong Kong Hong 
SingaporeFrequently asked about Ma On Shan vs Tuen Mun
▶How does the climate compare between Ma On Shan and Tuen Mun?
▶Should I move to Ma On Shan or Tuen Mun?
The best city depends on what matters to you
This comparison shows how Ma On Shan and Tuen Mun 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