Dupnitsa vs Ruse: PM2.5 compared
Dupnitsa and Ruse were both measured on only 0 days over the last year, too few to compare them (it takes 30).
Right now
Dupnitsa–not on the 24-hour board right now
Ruse#906on the 24-hour board of 2,516, at 45 US AQI (8.1 µg/m³)
Compare either city with another
Dupnitsa
Side by side with Blagoevgrad (the nearest), Gujranwala (the world's worst on 30 days).
Ruse
Side by side with Svishtov (the nearest), Varna (Bulgaria's 2nd 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 02:07 UTC. Values are PM2.5 (fine particles), the median of each city's monitors, as the US AQI PM2.5 sub-index.