Milan vs Rieti: PM2.5 compared
Milan and Rieti were both measured on only 0 days over the last year, too few to compare them (it takes 30).
Right now
Compare either city with another
Milan
Side by side with Monza, Vinovo, Gujranwala.
Rieti
Side by side with L'Aquila, Gujranwala.
The same rules as every SmogRank figure: reference monitors first, and a day counts with 18 measured hours. How we measure.
Updated 2026-10-06 21:07 UTC. Values are PM2.5 (fine particles), the median of each city's monitors, as the US AQI PM2.5 sub-index.