Climate
Islamabad logs 158 hot days a year to Karachi's 177 — Islamabad wins by 19. Karachi also leads on sunny days by 13.
Islamabad
Feels-like °C
Dinner outside
Karachi
Feels-like °C
Dinner outside
Air Quality
Islamabad averages 47.9 µg/m³ (very unhealthy) PM2.5 annually versus Karachi's 63.3 µg/m³ (very unhealthy) — Islamabad breathes ~24% cleaner air (15.4 µg/m³ lower).
Islamabad
Karachi
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.
Islamabad (4.9M) and Karachi (21.0M) are 4.3x in population — Karachi is the larger metro, Islamabad the smaller; on land area Karachi spans roughly 1.5x more ground.
Karachi is roughly 2.5x the scale of Islamabad
Combined population & area comparison
KarachiIslamabadCity Scale Rankings
Karachi21.0M4.3xIslamabad4.9M1xKarachi834 km²1.5xIslamabad550 km²1xIslamabad
Karachi
Who Thrives Here
Both cities work well for the winter escapist.
Frequently asked about Islamabad vs Karachi
▶How does the climate compare between Islamabad and Karachi?
▶Should I move to Islamabad or Karachi?
The best city depends on what matters to you
This comparison shows how Islamabad and Karachi 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