SmogRank / Banja Luka / Sarajevo
Banja Luka vs Sarajevo: PM2.5 compared
Over the last year, Banja Luka's air was 6% more polluted than Sarajevo's: PM2.5 averaged 31.5 µg/m³ against 29.8, on the 312 days both cities were measured. Banja Luka had the dirtier air on 145 of those days, Sarajevo on 164. Banja Luka was over the WHO's daily guideline of 15 µg/m³ on 175 of them, Sarajevo on 188.
Right now
The last year, day by day
Month by month
Year by year
| Year | Banja Luka | Sarajevo | Days Banja Luka was worse |
|---|---|---|---|
| 2026 so far | 82 | 81 | 115 |
| 2025 | 97 | 92 | 122 |
| 2024 | 105 | 99 | 130 |
| 2023 | 81 | 96 | 47 |
Means in US AQI over the days both cities were measured that year; a year shows once they share 30 such days.
Each city's worst days
Banja Luka
- 18 Dec 2025445298.0 µg/m³
- 24 Jan 2026302226.0 µg/m³
- 19 Dec 2025283208.0 µg/m³
Sarajevo
- 23 Jan 2026316233.0 µg/m³
- 16 Dec 2025291216.0 µg/m³
- 22 Jan 2026290215.0 µg/m³
Daily means in US AQI, with µg/m³ beside them, since the index stops at its top value, over the days both cities were measured in the last year. Each date opens that day's world board.
Compare either city with another
Banja Luka
Side by side with Srbac (the nearest), Gujranwala (the world's worst on 30 days).
Sarajevo
Side by side with Pljevlja (the nearest), Gujranwala (the world's worst on 30 days).
Use this page
SmogRank, PM2.5 daily means compared, Banja Luka and Sarajevo, 8 Oct 2025 – 7 Oct 2026, smogrank.com/compare/ba-banja-luka/ba-sarajevo (accessed 8 Oct 2026).
You're welcome to reuse a single chart, image or figure with this citation and a link. Terms. Raw monitor readings in bulk are published by OpenAQ, under each provider's licence.
The same rules as every SmogRank figure: reference monitors first, and a day counts with 18 measured hours. How we measure.
Updated 2026-10-08 20:07 UTC. Values are PM2.5 (fine particles), the median of each city's monitors, as the US AQI PM2.5 sub-index. Some readings: Uzhydromet (Uzbekistan's Hydrometeorological Service); Department of Environment, Nepal; Vietnam's government monitors; Aurassure; Umhverfisstofnun (Environment Agency of Iceland); Love My Air (City and County of Denver), no reuse terms published (why we use them).