Banská Bystrica vs Krompachy: PM2.5 compared

Over the last year, Krompachy's air was about 2.0× as polluted as Banská Bystrica's: PM2.5 averaged 13.8 µg/m³ against 6.8, on the 202 days both cities were measured. Krompachy had the dirtier air on 199 of those days, Banská Bystrica on 3. Krompachy was over the WHO's daily guideline of 15 µg/m³ on 80 of them, Banská Bystrica on 7.

Right now

Banská Bystrica#2,287on the 24-hour board of 2,702, at 17 US AQI (3.1 µg/m³)

Krompachy#2,230on the 24-hour board of 2,702, at 18 US AQI (3.3 µg/m³)

The last year, day by day

Banská Bystrica

Krompachy

Each city's daily mean from 12 Oct 2025 to 11 Oct 2026, one stripe a day, coloured by band. A blank stripe is a day without a daily mean.

Month by month

Monthly means in µg/m³ over the days both cities were measured. Solid: Banská Bystrica. Faded: Krompachy. A month shows once both share 10 such days. Dashed line: the WHO daily guideline, 15 µg/m³.

Year by year

Year	Banská Bystrica	Krompachy	Days both measured	Days Banská Bystrica was worse
2026 so far	35	59	170	2
2025	54	63	266	39
2024	55	70	223	13

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

Banská Bystrica

15 Nov 20257220.5 µg/m³
16 Nov 20256717.5 µg/m³
8 Nov 20256416.2 µg/m³

Krompachy

8 Oct 202610336.2 µg/m³
27 Jun 20269532.7 µg/m³
15 Mar 20269331.4 µg/m³

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

Banská Bystrica

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

Krompachy

Side by side with Prešov (the nearest), Čaňa (Slovakia's 2nd worst on 30 days), Gujranwala (the world's worst on 30 days).

Use this page

SmogRank, PM2.5 daily means compared, Banská Bystrica and Krompachy, 12 Oct 2025 – 11 Oct 2026, smogrank.com/compare/sk-banska-bystrica/sk-krompachy (accessed 12 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 2026-10-12 19:07 UTC. Values are PM2.5 (fine particles), the median of each city's monitors, as the US AQI PM2.5 sub-index.