SmogRank / Munich / Ulm

Munich vs Ulm: PM2.5 compared

Over the last year, Ulm's air was 10% more polluted than Munich's: PM2.5 averaged 11.2 µg/m³ against 10.2, on the 325 days both cities were measured. Ulm had the dirtier air on 186 of those days, Munich on 135. Ulm was over the WHO's daily guideline of 15 µg/m³ on 71 of them, Munich on 48.

Right now

Munich–not on the 24-hour board right now
Ulm–not on the 24-hour board right now

The last year, day by day

Munich
Ulm
Each city's daily mean from 6 Oct 2025 to 5 Oct 2026, one stripe a day, coloured by band. A blank stripe is a day without a daily mean.

Month by month

15Munich, Nov 2025: 9.5 µg/m³Ulm, Nov 2025: 12.9 µg/m³Nov 2025Munich, Dec: 11.0 µg/m³Ulm, Dec: 14.1 µg/m³DecMunich, Jan 2026: 18.3 µg/m³Ulm, Jan 2026: 21.5 µg/m³Jan 2026Munich, Feb: 9.9 µg/m³Ulm, Feb: 11.9 µg/m³FebMunich, Mar: 13.8 µg/m³Ulm, Mar: 15.8 µg/m³MarMunich, Apr: 8.7 µg/m³Ulm, Apr: 9.1 µg/m³AprMunich, May: 7.8 µg/m³Ulm, May: 6.8 µg/m³MayMunich, Jun: 9.1 µg/m³Ulm, Jun: 9.2 µg/m³JunMunich, Jul: 8.4 µg/m³Ulm, Jul: 8.2 µg/m³JulMunich, Aug: 8.7 µg/m³Ulm, Aug: 8.7 µg/m³AugMunich, Sep: 8.4 µg/m³Ulm, Sep: 7.1 µg/m³SepOct
Monthly means in µg/m³ over the days both cities were measured. Solid: Munich. Faded: Ulm. A month shows once both share 10 such days. Dashed line: the WHO daily guideline.

Year by year

YearMunichUlmDays both measuredDays Munich was worse
2026 so far5455250121
20255354309132
20245251253153
20234847239141

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

Ulm

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.

Ulm

Side by side with Neu-Ulm, Gujranwala.

Use this page

SmogRank, PM2.5 daily means compared, Munich and Ulm, 8 Oct 2025 – 5 Oct 2026, smogrank.com/compare/de-munich/de-ulm (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.