Rio de Janeiro vs Sao Paulo

Live AQI Comparison

Updated 38m ago · Data from OpenAQ

Rio de Janeiro

Brazil

Good

PM2.54.73 µg/m³

PM107.97 µg/m³

Sao Paulo

Brazil

Moderate

PM2.513 µg/m³

PM1042 µg/m³

Verdict

Sao Paulo currently has worse air quality than Rio de Janeiro (AQI 33 points higher). Both cities have acceptable air quality levels.

Rio de Janeiro vs Sao Paulo Air Quality Analysis

Based on the latest measurements, Sao Paulo has an AQI of 53 compared to Rio de Janeiro's AQI of 20. The World Health Organization (WHO) recommends annual PM2.5 levels below 15 µg/m³ and 24-hour levels below 45 µg/m³.

PM2.5 levels are within the "Moderate" range. Air quality is generally acceptable, though unusually sensitive individuals may experience minor symptoms.

Air quality can change rapidly due to weather patterns, traffic, and industrial activity. Check back hourly for the latest comparison between Rio de Janeiro and Sao Paulo.

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Frequently Asked Questions

Which city has worse air quality today, Rio de Janeiro or Sao Paulo?

Sao Paulo currently has worse air quality with an AQI of 53 compared to Rio de Janeiro's AQI of 20. This data is updated hourly from government monitoring stations.

Is it safer to be in Rio de Janeiro or Sao Paulo right now?

Based on current AQI levels, Rio de Janeiro (AQI 20) has safer air quality than Sao Paulo (AQI 53). Both cities have acceptable air quality for outdoor activities.

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