SmogRank / Krompachy / Martin

Krompachy vs Martin: PM2.5 compared

Over the last year, Krompachy's air was 20% more polluted than Martin's: PM2.5 averaged 13.3 µg/m³ against 11.1, on the 210 days both cities were measured. Krompachy had the dirtier air on 144 of those days, Martin on 60. Krompachy was over the WHO's daily guideline of 15 µg/m³ on 77 of them, Martin on 45.

Right now

Krompachy#1,543on the 24-hour board of 2,540, at 28 US AQI (5.0 µg/m³)
Martin#729on the 24-hour board of 2,540, at 52 US AQI (9.4 µg/m³)

The last year, day by day

Krompachy
Martin
Each city's daily mean from 13 Oct 2025 to 12 Oct 2026, one stripe a day, coloured by band. A blank stripe is a day without a daily mean.

Month by month

Krompachy, Nov 2025: 16.2 µg/m³Martin, Nov 2025: 15.9 µg/m³Nov2025DecJan2026FebKrompachy, Mar 2026: 20.7 µg/m³Martin, Mar 2026: 14.7 µg/m³MarKrompachy, Apr 2026: 14.1 µg/m³Martin, Apr 2026: 11.8 µg/m³AprKrompachy, May 2026: 11.2 µg/m³Martin, May 2026: 9.9 µg/m³MayKrompachy, Jun 2026: 14.4 µg/m³Martin, Jun 2026: 11.8 µg/m³JunKrompachy, Jul 2026: 10.1 µg/m³Martin, Jul 2026: 9.5 µg/m³JulKrompachy, Aug 2026: 11.9 µg/m³Martin, Aug 2026: 9.4 µg/m³AugKrompachy, Sep 2026: 8.9 µg/m³Martin, Sep 2026: 7.4 µg/m³SepKrompachy, Oct 2026: 16.3 µg/m³Martin, Oct 2026: 13.4 µg/m³Oct
Monthly means in µg/m³ over the days both cities were measured. Solid: Krompachy. Faded: Martin. A month shows once both share 10 such days. Dashed line: the WHO daily guideline, 15 µg/m³.

Year by year

YearKrompachyMartinDays both measuredDays Krompachy was worse
2026 so far5854180127
20256362265134
20246962223156

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

Krompachy

Martin

Daily means in US AQI, with µg/m³ beside them, since the index stops at its top value, over the days both cities were measured in the last year. Each date opens that day's world board.

Compare either city with another

Krompachy

Side by side with Prešov (the nearest), Čaňa (Slovakia's worst on 30 days), Gujranwala (the world's worst on 30 days).

Martin

Side by side with Žilina (the nearest), Čaňa (Slovakia's worst on 30 days), Gujranwala (the world's worst on 30 days).

Use this page

SmogRank, PM2.5 daily means compared, Krompachy and Martin, 13 Oct 2025 – 12 Oct 2026, smogrank.com/compare/sk-krompachy/sk-martin (accessed 13 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 2026-10-13 01:07 UTC. Values are PM2.5 (fine particles), the median of each city's monitors, as the US AQI PM2.5 sub-index.