SmogRank / Breda / Lopik

Breda vs Lopik: PM2.5 compared

Over the last year, Breda and Lopik had about the same air: PM2.5 averaged 9.1 and 9.2 µg/m³, on the 323 days both cities were measured. Breda had the dirtier air on 170 of those days, Lopik on 145. Breda was over the WHO's daily guideline of 15 µg/m³ on 41 of them, Lopik on 44.

Right now

Breda#98on the 24-hour board of 1,669, at 73 US AQI (20.7 µg/m³)
Lopik#201on the 24-hour board of 1,669, at 65 US AQI (16.5 µg/m³)

The last year, day by day

Breda
Lopik
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: 8.4 µg/m³Lopik, Nov 2025: 6.9 µg/m³Nov 2025Breda, Dec: 10.9 µg/m³Lopik, Dec: 11.3 µg/m³DecBreda, Jan 2026: 15.1 µg/m³Lopik, Jan 2026: 17.7 µg/m³Jan 2026Breda, Feb: 10.2 µg/m³Lopik, Feb: 13.2 µg/m³FebBreda, Mar: 14.7 µg/m³Lopik, Mar: 14.7 µg/m³MarBreda, Apr: 8.0 µg/m³Lopik, Apr: 7.8 µg/m³AprBreda, May: 8.0 µg/m³Lopik, May: 5.9 µg/m³MayBreda, Jun: 5.5 µg/m³Lopik, Jun: 5.3 µg/m³JunBreda, Jul: 4.9 µg/m³Lopik, Jul: 5.3 µg/m³JulBreda, Aug: 5.6 µg/m³Lopik, Aug: 6.5 µg/m³AugBreda, Sep: 7.3 µg/m³Lopik, Sep: 6.6 µg/m³SepOct
Monthly means in µg/m³ over the days both cities were measured. Solid: Breda. Faded: Lopik. A month shows once both share 10 such days. Dashed line: the WHO daily guideline.

Year by year

YearBredaLopikDays both measuredDays Breda was worse
2026 so far5152244117
20255247357255
20244952334112
2023444910940

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

Breda

Lopik

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.

Lopik

Side by side with Utrecht, Gujranwala.

Use this page

SmogRank, PM2.5 daily means compared, Breda and Lopik, 7 Oct 2025 – 6 Oct 2026, smogrank.com/compare/nl-breda/nl-lopik (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.