SmogRank / Rio Claro / Taubaté

Rio Claro vs Taubaté: PM2.5 compared

Over the last year, Rio Claro's air was about 1.5× as polluted as Taubaté's: PM2.5 averaged 14.9 µg/m³ against 9.7, on the 270 days both cities were measured. Rio Claro had the dirtier air on 234 of those days, Taubaté on 36. Rio Claro was over the WHO's daily guideline of 15 µg/m³ on 108 of them, Taubaté on 25.

Right now

Rio Claro#350on the 24-hour board of 2,540, at 60 US AQI (14.0 µg/m³)
Taubaté–no readings since 8 Oct

The last year, day by day

Rio Claro
Taubaté
Each city's daily mean from 12 Oct 2025 to 11 Oct 2026, one stripe a day, coloured by band. A blank stripe is a day without a daily mean.

Month by month

Rio Claro, Nov 2025: 12.9 µg/m³Taubaté, Nov 2025: 10.0 µg/m³Nov2025Rio Claro, Dec 2025: 9.9 µg/m³Taubaté, Dec 2025: 8.7 µg/m³DecRio Claro, Jan 2026: 9.2 µg/m³Taubaté, Jan 2026: 7.6 µg/m³Jan2026FebRio Claro, Mar 2026: 14.5 µg/m³Taubaté, Mar 2026: 9.8 µg/m³MarRio Claro, Apr 2026: 17.3 µg/m³Taubaté, Apr 2026: 10.6 µg/m³AprRio Claro, May 2026: 13.1 µg/m³Taubaté, May 2026: 8.7 µg/m³MayRio Claro, Jun 2026: 16.0 µg/m³Taubaté, Jun 2026: 10.1 µg/m³JunRio Claro, Jul 2026: 17.7 µg/m³Taubaté, Jul 2026: 11.6 µg/m³JulRio Claro, Aug 2026: 23.2 µg/m³Taubaté, Aug 2026: 12.7 µg/m³AugRio Claro, Sep 2026: 14.0 µg/m³Taubaté, Sep 2026: 7.2 µg/m³SepOct
Monthly means in µg/m³ over the days both cities were measured. Solid: Rio Claro. Faded: Taubaté. A month shows once both share 10 such days. Dashed line: the WHO daily guideline, 15 µg/m³.

Year by year

YearRio ClaroTaubatéDays both measuredDays Rio Claro was worse
2026 so far6352203180
20256453338304
20247158305275
20236655256232

Means in US AQI over the days both cities were measured that year; a year shows once they share 30 such days.

Each city's worst days

Rio Claro

Taubaté

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

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).

Taubaté

Side by side with São José dos Campos (the nearest), Gujranwala (the world's worst on 30 days).

Use this page

SmogRank, PM2.5 daily means compared, Rio Claro and Taubaté, 12 Oct 2025 – 11 Oct 2026, smogrank.com/compare/br-rio-claro/br-taubate (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 01:07 UTC. Values are PM2.5 (fine particles), the median of each city's monitors, as the US AQI PM2.5 sub-index.