SmogRank / Hannover / Munich

Hannover vs Munich: PM2.5 compared

Over the last year, Hannover and Munich had about the same air: PM2.5 averaged 9.9 and 10.2 µg/m³, on the 309 days both cities were measured. Hannover had the dirtier air on 123 of those days, Munich on 182. Hannover was over the WHO's daily guideline of 15 µg/m³ on 46 of them, Munich on 46.

Right now

Hannover#352on the 24-hour board of 1,611, at 57 US AQI (12.2 µg/m³)
Munich–not on the 24-hour board right now

The last year, day by day

Hannover
Munich
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

15Hannover, Nov 2025: 8.4 µg/m³Munich, Nov 2025: 9.3 µg/m³Nov 2025Hannover, Dec: 10.6 µg/m³Munich, Dec: 11.0 µg/m³DecHannover, Jan 2026: 19.5 µg/m³Munich, Jan 2026: 18.2 µg/m³Jan 2026Hannover, Feb: 17.4 µg/m³Munich, Feb: 9.9 µg/m³FebHannover, Mar: 13.6 µg/m³Munich, Mar: 13.8 µg/m³MarHannover, Apr: 8.1 µg/m³Munich, Apr: 8.6 µg/m³AprHannover, May: 6.6 µg/m³Munich, May: 7.6 µg/m³MayHannover, Jun: 8.2 µg/m³Munich, Jun: 9.1 µg/m³JunHannover, Jul: 6.3 µg/m³Munich, Jul: 8.4 µg/m³JulHannover, Aug: 6.1 µg/m³Munich, Aug: 8.8 µg/m³AugHannover, Sep: 5.9 µg/m³Munich, Sep: 8.6 µg/m³SepOct
Monthly means in µg/m³ over the days both cities were measured. Solid: Hannover. Faded: Munich. A month shows once both share 10 such days. Dashed line: the WHO daily guideline.

Year by year

YearHannoverMunichDays both measuredDays Hannover was worse
2026 so far535423194
20255053319100
2024445226190
20234249329132

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

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

Hannover

Side by side with Hildesheim, Gujranwala.

Munich

Side by side with Herrsching am Ammersee, Augsburg, Gujranwala.

Use this page

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