SmogRank / Breda / Zwanenburg

Breda vs Zwanenburg: PM2.5 compared

Over the last year, Breda and Zwanenburg had about the same air: PM2.5 averaged 9.2 and 9.3 µg/m³, on the 313 days both cities were measured. Breda had the dirtier air on 170 of those days, Zwanenburg on 136. Breda was over the WHO's daily guideline of 15 µg/m³ on 42 of them, Zwanenburg on 44.

Right now

Breda#98on the 24-hour board of 1,669, at 73 US AQI (20.7 µg/m³)
Zwanenburg–not on the 24-hour board right now

The last year, day by day

Breda
Zwanenburg
Each city's daily mean from 7 Oct 2025 to 6 Oct 2026, one stripe a day, coloured by band. A blank stripe is a day without a daily mean.

Month by month

15Breda, Nov 2025: 9.2 µg/m³Zwanenburg, Nov 2025: 7.3 µg/m³Nov 2025Breda, Dec: 10.9 µg/m³Zwanenburg, Dec: 11.5 µg/m³DecBreda, Jan 2026: 15.3 µg/m³Zwanenburg, Jan 2026: 17.4 µg/m³Jan 2026Breda, Feb: 10.0 µg/m³Zwanenburg, Feb: 14.7 µg/m³FebBreda, Mar: 14.7 µg/m³Zwanenburg, Mar: 14.2 µg/m³MarBreda, Apr: 8.0 µg/m³Zwanenburg, Apr: 6.6 µg/m³AprBreda, May: 7.8 µg/m³Zwanenburg, May: 7.4 µg/m³MayBreda, Jun: 5.7 µg/m³Zwanenburg, Jun: 6.7 µg/m³JunBreda, Jul: 5.4 µg/m³Zwanenburg, Jul: 5.3 µg/m³JulBreda, Aug: 5.7 µg/m³Zwanenburg, Aug: 5.7 µg/m³AugBreda, Sep: 7.4 µg/m³Zwanenburg, Sep: 6.7 µg/m³SepOct
Monthly means in µg/m³ over the days both cities were measured. Solid: Breda. Faded: Zwanenburg. A month shows once both share 10 such days. Dashed line: the WHO daily guideline.

Year by year

YearBredaZwanenburgDays both measuredDays Breda was worse
2026 so far5152241128
20254647274134
20244744198116
20233544439

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

Breda

Side by side with Tilburg, Venray, Gujranwala.

Zwanenburg

Side by side with Badhoevedorp, Gujranwala.

Use this page

SmogRank, PM2.5 daily means compared, Breda and Zwanenburg, 8 Oct 2025 – 6 Oct 2026, smogrank.com/compare/nl-breda/nl-zwanenburg (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 23:07 UTC. Values are PM2.5 (fine particles), the median of each city's monitors, as the US AQI PM2.5 sub-index.