Pollution Rankings in Brazil

The pollution ranking for Brazil is based on a combination of visitor perceptions and data from institutions like the World Health Organization. The Pollution Index estimates overall pollution levels by considering air and water pollution, garbage disposal, and other factors, with air pollution given the highest weight, while the Pollution Exp Scale uses an exponential function to highlight extremely polluted cities.

Sao Paulo

#1 in Pollution (#51 worldwide)

Pollution remains a critical issue for Sao Paulo in 2024, with air quality affected by high levels of particulate matter due to industrial emissions and vehicular traffic typical of a large urban area. While some progress has been made, the air quality is generally perceived negatively, with PM2.5 and PM10 levels posing health concerns, especially in densely populated areas.

Rio de Janeiro

#2 in Pollution (#102 worldwide)

Pollution is another pressing issue for Rio de Janeiro in 2024, with air quality sitting at concerning levels due to various environmental stressors. Urban emissions and traffic contribute significantly to these levels. While some progress has been made, air pollution remains a substantial challenge, with PM2.5 and PM10 levels being particularly problematic, impacting the health of residents.

Porto Alegre

#3 in Pollution (#161 worldwide)

Porto Alegre continues to grapple with moderate pollution levels. Urban areas experience more intense air quality issues, mainly due to traffic and industrial activities. The city's air quality reflects moderate challenges, particularly with particulate matter, contributing to residents' concerns about potential health implications.

Belo Horizonte

#4 in Pollution (#179 worldwide)

Belo Horizonte's air quality presents a mixed picture in 2024, with moderate pollution levels that are a cause for concern among residents. Despite efforts to manage air pollution, challenges remain, particularly concerning particulate matter levels which affect public health.

Campinas

#5 in Pollution (#209 worldwide)

Campinas has made strides in managing pollution, but air quality challenges persist, primarily due to urban emissions. These issues remain at the forefront of environmental concerns. The city's moderate air quality reflects ongoing struggles with particulate matter, causing residents to remain cautious about health implications.

Curitiba

#6 in Pollution (#263 worldwide)

Curitiba showcases impressive efforts in air quality management, with pollution levels maintained within acceptable bounds. While PM2.5 and PM10 levels present some concerns, the city continues to enjoy a positive air quality rating overall. Residents generally perceive the air quality as favorable, enjoying the benefits of effective environment-friendly policies that aim to mitigate pollution impacts.

Brasilia

#7 in Pollution (#269 worldwide)

Brasilia has witnessed improvements in air quality, reflected in its very low pollution index. The commitment to reducing emissions and enhancing air quality is evident in this performance. Air quality in Brasilia is currently robust, experiencing positive public perception and contributing to the overall health and well-being of residents.