Krompachy vs Sereď: PM2.5 compared
Krompachy and Sereď were both measured on only 0 days over the last year, too few to compare them (it takes 30).
Right now
Krompachy#1,714on the 24-hour board of 2,660, at 27 US AQI (4.8 µg/m³)
Sereď#1,591on the 24-hour board of 2,660, at 29 US AQI (5.2 µg/m³)
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).
Sereď
Side by side with Trnava, Trnava Region (the nearest), Čaňa (Slovakia's worst on 30 days), Gujranwala (the world's worst on 30 days).
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 00:07 UTC. Values are PM2.5 (fine particles), the median of each city's monitors, as the US AQI PM2.5 sub-index.