As per reports, dense fog is expected to persist across several regions of São Paulo state until Friday (11 July), with significant impacts in Itapeva, Sorocaba, Campinas, Bauru, Araraquara, Vale do Ribeira, Paraíba Valley, Metropolitan Region of São Paulo, Baixada Santista, North Coast, and Serra da Mantiqueira.

The Civil Defense has warned of severely reduced visibility, particularly during early morning hours, affecting major highways and mountainous areas.