Manaus air eases from record PM2.5 peak but stays far above WHO limit
Manaus's worst air of the episode peaked at 344.5 µg/m³ PM2.5 on October 29, against the WHO 24-hour reference of 15 µg/m³, prompting school and UEA suspensions. Readings improved but stayed high, and no smoke-attributable health outcomes have been reported.
