Krompachy vs Senica: PM2.5 compared
Over the last year, Krompachy's air was 25% more polluted than Senica's: PM2.5 averaged 13.5 µg/m³ against 10.8, on the 217 days both cities were measured. Krompachy had the dirtier air on 161 of those days, Senica on 55. Krompachy was over the WHO's daily guideline of 15 µg/m³ on 83 of them, Senica on 45.
Right now
The last year, day by day
Month by month
Year by year
| Year | Krompachy | Senica | Days Krompachy was worse |
|---|---|---|---|
| 2026 so far | 13.0 | 10.3 | 138 |
| 2025 | 15.3 | 11.5 | 196 |
| 2024 | 20.4 | 13.2 | 159 |
Means in µg/m³, as in the chart above, over the days both cities were measured that year; a year shows once they share 30 such days.
Each city's worst days
Krompachy
- 8 Oct 202610336.2 µg/m³
- 27 Jun 20269532.7 µg/m³
- 15 Mar 20269331.4 µg/m³
Senica
- 11 Nov 20258828.7 µg/m³
- 16 Apr 20268728.4 µg/m³
- 20 Mar 20268426.7 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
Krompachy
Side by side with Prešov (the nearest), Čaňa (Slovakia's worst on 30 days), Gujranwala (the world's worst on 30 days).
Senica
Side by side with Hodonín (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 Senica, 13 Oct 2025 – 12 Oct 2026, smogrank.com/compare/sk-krompachy/sk-senica (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 05:07 UTC. Values are PM2.5 (fine particles), the median of each city's monitors, as the US AQI PM2.5 sub-index.