Cape Town vs Rio de Janeiro

Live AQI Comparison

Updated 4h ago · Data from OpenAQ

Cape Town

South Africa

Moderate

PM2.517.609 µg/m³

PM1060.705 µg/m³

Rio de Janeiro

Brazil

Good

PM2.54.73 µg/m³

PM107.97 µg/m³

Verdict

Cape Town currently has worse air quality than Rio de Janeiro (AQI 43 points higher). Both cities have acceptable air quality levels.

Cape Town vs Rio de Janeiro Air Quality Analysis

Based on the latest measurements, Cape Town has an AQI of 63 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 Cape Town and Rio de Janeiro.

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Frequently Asked Questions

Which city has worse air quality today, Cape Town or Rio de Janeiro?

Cape Town currently has worse air quality with an AQI of 63 compared to Rio de Janeiro's AQI of 20. This data is updated hourly from government monitoring stations.

Is it safer to be in Cape Town or Rio de Janeiro right now?

Based on current AQI levels, Rio de Janeiro (AQI 20) has safer air quality than Cape Town (AQI 63). Both cities have acceptable air quality for outdoor activities.

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