SmogRank / Countries / Bosnia and Herzegovina

Most polluted cities in Bosnia and Herzegovina

4 measured cities, last 24 hours; 2 above the WHO 24-hour guideline. Worst: Prijedor at 29.9 µg/m³, #30 in the world.

Estimated: cities without a monitor

Bosnia and Herzegovina cities we can't measure, with model estimates for the last 7 days. Listed by population, not ranked: estimates aren't precise enough to rank. Model estimates from the Copernicus Atmosphere Monitoring Service (CAMS), adjusted to measured cities nearby where there are any. Adjusted, a single day lands within ×1.5 of what a monitor would read about two times in three; unadjusted, it can be off by half or double. Treat them as a guide, not a measurement.

City	7-day estimate	Band
Zenica	≈ 15 µg/m³	Moderate
Tuzla	≈ 14 µg/m³	Moderate
Mostar	≈ 9 µg/m³	Moderate
Bihać	≈ 6 µg/m³	Good
Ilidža	≈ 15 µg/m³	Moderate
Lukavac	≈ 13 µg/m³	Moderate
Bugojno	≈ 15 µg/m³	Moderate
Brčko	≈ 16 µg/m³	Moderate
Bijeljina	≈ 19 µg/m³	Moderate
Travnik	≈ 12 µg/m³	Moderate
Doboj	≈ 12 µg/m³	Moderate
Cazin	≈ 6 µg/m³	Good
Velika Kladuša	≈ 7 µg/m³	Good
Visoko	≈ 16 µg/m³	Moderate
Goražde	≈ 11 µg/m³	Moderate
Konjic	≈ 13 µg/m³	Moderate
Gračanica	≈ 14 µg/m³	Moderate
Gradačac	≈ 14 µg/m³	Moderate
Bosanska Krupa	≈ 6 µg/m³	Good

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SmogRank, most polluted cities in Bosnia and Herzegovina, PM2.5, last 24 hours to 2 Oct 2026, 00:00 UTC, smogrank.com/ba.

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Regions

Measured cities in each region (30 days).

Updated 2026-10-02 00:07 UTC. Values are PM2.5 in µg/m³ (fine particles), the median of each city's monitors.