SmogRank / Bottrop / Munich

Bottrop vs Munich: PM2.5 compared

Over the last year, Bottrop and Munich had about the same air: PM2.5 averaged 10.5 and 10.2 µg/m³, on the 312 days both cities were measured. Bottrop had the dirtier air on 164 of those days, Munich on 147. Bottrop was over the WHO's daily guideline of 15 µg/m³ on 50 of them, Munich on 45.

Right now

Bottrop#318on the 24-hour board of 1,611, at 58 US AQI (13.0 µg/m³)
Munich–not on the 24-hour board right now

The last year, day by day

Bottrop
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

15Bottrop, Nov 2025: 10.6 µg/m³Munich, Nov 2025: 9.3 µg/m³Nov 2025Bottrop, Dec: 12.2 µg/m³Munich, Dec: 11.0 µg/m³DecBottrop, Jan 2026: 18.5 µg/m³Munich, Jan 2026: 18.2 µg/m³Jan 2026Bottrop, Feb: 12.0 µg/m³Munich, Feb: 9.9 µg/m³FebBottrop, Mar: 15.4 µg/m³Munich, Mar: 13.8 µg/m³MarBottrop, Apr: 9.2 µg/m³Munich, Apr: 8.7 µg/m³AprBottrop, May: 7.9 µg/m³Munich, May: 7.4 µg/m³MayBottrop, Jun: 9.4 µg/m³Munich, Jun: 9.1 µg/m³JunBottrop, Jul: 7.0 µg/m³Munich, Jul: 8.4 µg/m³JulBottrop, Aug: 6.8 µg/m³Munich, Aug: 8.9 µg/m³AugBottrop, Sep: 6.5 µg/m³Munich, Sep: 8.7 µg/m³SepOct
Monthly means in µg/m³ over the days both cities were measured. Solid: Bottrop. Faded: Munich. A month shows once both share 10 such days. Dashed line: the WHO daily guideline.

Year by year

YearBottropMunichDays both measuredDays Bottrop was worse
2026 so far5454234120
20255554314159
20245352264148
202344399753

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

Bottrop

Munich

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

Bottrop

Side by side with Oberhausen, Gujranwala.

Munich

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

Use this page

SmogRank, PM2.5 daily means compared, Bottrop and Munich, 8 Oct 2025 – 5 Oct 2026, smogrank.com/compare/de-bottrop/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.