Climate
Niš logs 74 frost days a year to Zrenjanin's 49 — Zrenjanin wins by 25. Niš also leads on hot days by 16.
Niš
Feels-like °C
Dinner outside
Zrenjanin
Feels-like °C
Dinner outside
Air Quality
Niš averages 16.4 µg/m³ (sensitive-groups) PM2.5 annually versus Zrenjanin's 15.3 µg/m³ (sensitive-groups) — Zrenjanin breathes ~7% cleaner air (1.1 µg/m³ lower).
Niš
Zrenjanin
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.
Niš (219K) and Zrenjanin (61K) are 3.6x in population — Niš is the larger metro, Zrenjanin the smaller; on land area Niš spans roughly 2.0x more ground.
Niš is roughly 2.6x the scale of Zrenjanin
Combined population & area comparison
City Scale Rankings
Niš
Zrenjanin
Who Thrives Here
Both cities work well for the clean air seeker.
Also compared
Frequently asked about Niš vs Zrenjanin
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