Climate
Plovdiv logs 76 hot days a year to Ruse's 57 — Ruse wins by 19. Ruse also leads on frost days by 9.
Plovdiv
Feels-like °C
Dinner outside
Ruse
Feels-like °C
Dinner outside
Air Quality
Plovdiv averages 17.5 µg/m³ (sensitive-groups) PM2.5 annually versus Ruse's 15.4 µg/m³ (sensitive-groups) — Ruse breathes ~12% cleaner air (2.1 µg/m³ lower).
Plovdiv
Ruse
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.
Plovdiv (332K) and Ruse (83K) are 4.0x in population — Plovdiv is the larger metro, Ruse the smaller; on land area Plovdiv spans roughly 2.7x more ground.
Plovdiv is roughly 3.3x the scale of Ruse
Combined population & area comparison
PlovdivRuseCity Scale Rankings
Plovdiv332K4.0xRuse83K1xPlovdiv49 km²2.7xRuse18 km²1xPlovdiv
Ruse
Who Thrives Here
Both cities work well for the clean air seeker.
Also compared
Sofia Frequently asked about Plovdiv vs Ruse
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