SmogRank / Chorvátsky Grob - Čierna Voda / Krompachy

Chorvátsky Grob - Čierna Voda vs Krompachy: PM2.5 compared

Over the last year, Krompachy's air was 37% more polluted than Chorvátsky Grob - Čierna Voda's: PM2.5 averaged 13.6 µg/m³ against 9.9, on the 210 days both cities were measured. Krompachy had the dirtier air on 172 of those days, Chorvátsky Grob - Čierna Voda on 36. Krompachy was over the WHO's daily guideline of 15 µg/m³ on 79 of them, Chorvátsky Grob - Čierna Voda on 33.

Right now

Chorvátsky Grob - Čierna Voda#2,157on the 24-hour board of 2,408, at 14 US AQI (2.5 µg/m³)

Krompachy#1,929on the 24-hour board of 2,408, at 18 US AQI (3.3 µg/m³)

The last year, day by day

Chorvátsky Grob - Čierna Voda

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: Chorvátsky Grob - Čierna Voda. Faded: Krompachy. A month shows once both share 10 such days. Dashed line: the WHO daily guideline, 15 µg/m³.

Year by year

Year	Chorvátsky Grob - Čierna Voda	Krompachy	Days both measured	Days Chorvátsky Grob - Čierna Voda was worse
2026 so far	52	58	177	30
2025	55	63	264	71
2024	56	70	223	27

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

Chorvátsky Grob - Čierna Voda

27 Jun 20268225.5 µg/m³
16 Apr 20267421.7 µg/m³
21 Mar 20267321.1 µg/m³

Krompachy

5 Dec 202510537.0 µg/m³
8 Oct 202610336.2 µg/m³
27 Jun 20269532.7 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

Chorvátsky Grob - Čierna Voda

Side by side with Pezinok (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, Chorvátsky Grob - Čierna Voda and Krompachy, 12 Oct 2025 – 11 Oct 2026, smogrank.com/compare/sk-chorvatsky-grob-cierna-voda/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 20:07 UTC. Values are PM2.5 (fine particles), the median of each city's monitors, as the US AQI PM2.5 sub-index.