Manaus Suspends Classes as Wildfire Smoke Envelopes City Amid Strong El Niño

Public schools in Manaus, the largest urban center in Brazil's Amazon basin, were ordered to remain closed on Friday after a dense veil of smoke from hundreds of wildfires drifted over the city, prompting health officials to advise against outdoor activities.

The smoke plume, which has lingered for several days, is the latest manifestation of an intensifying El Niño pattern that has driven unusually dry conditions across the Amazon region. Satellite imagery shows a sharp rise in fire activity this month, with flames igniting across both forested and deforested areas, contributing to hazardous air quality levels in the capital.

Local health agencies warned that the particulate matter in the haze can exacerbate respiratory problems, particularly for children, the elderly and those with pre‑existing conditions. Schools were deemed high‑risk environments, leading the municipal education department to suspend classes until air quality improves.

Amazonian wildfires are not new, but their frequency and scale tend to surge during El Niño years, when reduced rainfall and higher temperatures create a tinderbox environment. Similar spikes were recorded in 2015 and 2019, both of which saw widespread school closures and public health alerts in the region.

City authorities have deployed monitoring equipment to track pollutant concentrations and are coordinating with state and federal agencies to contain the blazes. While firefighting resources have been mobilized, officials acknowledge that suppression efforts are hampered by the sheer number of ignition points and the remote nature of many fire sites.

Experts say the current situation underscores the broader challenges of balancing economic activity, land‑use change and climate variability in the Amazon. As the El Niño episode persists, residents can expect continued air‑quality advisories, and officials have indicated that further school disruptions remain possible should conditions deteriorate further.