Munich vs Unna: PM2.5 compared
Over the last year, Unna's air was 18% more polluted than Munich's: PM2.5 averaged 12.2 µg/m³ against 10.3, on the 305 days both cities were measured. Unna had the dirtier air on 213 of those days, Munich on 92. Unna was over the WHO's daily guideline of 15 µg/m³ on 64 of them, Munich on 45.
Right now
The last year, day by day
Month by month
Year by year
| Year | Munich | Unna | Days Munich was worse |
|---|---|---|---|
| 2026 so far | 54 | 58 | 58 |
| 2025 | 53 | 55 | 127 |
| 2024 | 52 | 53 | 106 |
| 2023 | 49 | 52 | 76 |
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
Munich
- 1 Jan 2026154
- 24 Jan 2026132
- 22 Jan 2026121
Unna
- 25 Jan 2026135
- 24 Jan 2026126
- 25 Jun 2026110
Daily means in US AQI, over the days both cities were measured in the last year. Each date opens that day's world board.
Compare either city with another
Munich
Side by side with Herrsching am Ammersee, Augsburg, Gujranwala.
Unna
Side by side with Schwerte, Gujranwala.
Use this page
SmogRank, PM2.5 daily means compared, Munich and Unna, 8 Oct 2025 – 5 Oct 2026, smogrank.com/compare/de-munich/de-unna (accessed 6 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 2026-10-06 20:07 UTC. Values are PM2.5 (fine particles), the median of each city's monitors, as the US AQI PM2.5 sub-index.