SmogRank / Munich / Saarlouis

Munich vs Saarlouis: PM2.5 compared

Over the last year, Munich's air was 14% more polluted than Saarlouis's: PM2.5 averaged 8.7 µg/m³ against 7.6, on the 69 days both cities were measured. Munich had the dirtier air on 54 of those days, Saarlouis on 14. Munich was over the WHO's daily guideline of 15 µg/m³ on 3 of them, Saarlouis on 2.

Right now

Munich–not on the 24-hour board right now
Saarlouis#861on the 24-hour board of 1,611, at 38 US AQI (6.8 µg/m³)

The last year, day by day

Munich
Saarlouis
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

15Nov 2025DecJan 2026FebMarAprMayJunMunich, Jul: 8.4 µg/m³Saarlouis, Jul: 6.9 µg/m³JulMunich, Aug: 8.8 µg/m³Saarlouis, Aug: 9.1 µg/m³AugSepOct
Monthly means in µg/m³ over the days both cities were measured. Solid: Munich. Faded: Saarlouis. A month shows once both share 10 such days. Dashed line: the WHO daily guideline.

Each city's worst days

Munich

Saarlouis

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.

Saarlouis

Side by side with Dillingen, Gujranwala.

Use this page

SmogRank, PM2.5 daily means compared, Munich and Saarlouis, 18 Jun 2026 – 10 Sep 2026, smogrank.com/compare/de-munich/de-saarlouis (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.