SmogRank / Rio Claro / Sorocaba
Rio Claro vs Sorocaba: PM2.5 compared
Rio Claro and Sorocaba were both measured on only 0 days over the last year, too few to compare them (it takes 30).
Right now
Rio Claro#381on the 24-hour board of 2,660, at 60 US AQI (13.7 µg/m³)
Sorocaba#1,198on the 24-hour board of 2,660, at 39 US AQI (7.1 µg/m³)
Compare either city with another
Rio Claro
Side by side with Limeira (the nearest), Nilópolis (Brazil's 2nd worst on 30 days), Gujranwala (the world's worst on 30 days).
Sorocaba
Side by side with Jundiaí (the nearest), 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.