Conclusion is from a Technical Note produced by IEMA with the air quality data published by CETESB. Nitrogen dioxide is once again perceived as a problem for the city

In a Technical Note produced from data from the Air Quality Platform, the Institute for Energy and the Environment (IEMA) analyzed the air pollution in the city of São Paulo between 2000 and 2021. Although air quality data published by CETESB showed improvements, the indices still do not reach the minimum recommendations of the World Health Organization (WHO) for the pollutants particulate matter, ozone and nitrogen dioxide. The latter, incidentally, is once again perceived as a problem for the city based on the current WHO recommendations. The results of the Note, which is the second after the publication about Macaé (RJ), provides a new impetus to pressurize for the compliance with the gradual elimination of nitrogen dioxide emissions by buses.

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