중남미

As researchers, our role often involves identifying and highlighting flaws and obsolescence in environmental policies. However, it is equally important to acknowledge and commend notable advancements, regardless of political affiliations. One such advancement is the recent implementation of Brazil`s National Air Quality Policy (PNQAr), officially unveiled at a prestigious event on June 27, 2024, in Brasília.1 This event marked an important moment in Brazil`s environmental policy, offering clarity and direction in the nation`s approach to air quality management.Since 1990, with the promulgation of the first resolution by the National Environment Council (CONAMA) concerning air quality standards—CONAMA Resolution number 03/1990—and the subsequent update in CONAMA Resolution number 491/2018, Brazil has struggled with ambiguous goals, undefined deadlines, and a lack of accountability in meeting proposed air quality limits.2, 3 Historically, Brazil has lagged behind international standards, adopting WHO guidelines years after their recommendation, as evidenced by the 2018 adoption of the 2005 WHO standards. The introduction of PNQAr and the proposed revision of the legal framework regarding air quality, now enacted through the publication of CONAMA Resolution number 506/2024 on July 5, 2024,4 mean a policy shift in Brazil`s commitment to air quality