Qualità dell'aria

El Servicio Meteorológico Nacional anticipa de tres a cinco olas de calor en el centro de México de marzo a mayo de 2026, con temperaturas hasta 4 grados Celsius por encima del promedio. La Comisión Ambiental de la Megalópolis estima que esto podría activar hasta 15 días de contingencia por ozono, imponiendo restricciones vehiculares más estrictas en la Ciudad de México y el Estado de México.

11 marzo 2026 Riportato dall'IA

For the second time this year, a strong sulphur smell has affected Johannesburg, leading to health complaints from residents. The City of Johannesburg detected elevated levels of hydrogen sulphide and sulphur dioxide, likely originating from industrial activities in Mpumalanga's Highveld area. Questions persist about monitoring and enforcement against major polluters.

Researchers have discovered far higher levels of microplastics and nanoplastics in city air than previously estimated, highlighting the atmosphere as a key pathway for plastic pollution. Using a new automated technique, scientists in China measured these tiny particles in Guangzhou and Xi'an, revealing concentrations two to six orders of magnitude above earlier reports. Road dust and rainfall significantly influence how these plastics move through the air.

12 gennaio 2026 Riportato dall'IA

In neighbouring Hebei province, rural residents say they cannot afford to heat their homes enough after switching from coal. Daytime temperatures in northern China often stay below freezing this winter, leaving many rural villagers with little choice but to endure the cold.

Delhi’s air quality worsened to an AQI of 353—classified as 'very poor'—on December 27, exacerbated by dense fog trapping pollutants, according to the Central Pollution Control Board.

26 dicembre 2025 Riportato dall'IA

A seguito dell'attivazione della Fase I il 25 dicembre per fuochi d'artificio e falò natalizi, lo Stato del Messico ha sospeso la Contingenza Ambientale Atmosferica il 26 dicembre 2025, con i livelli di PM2.5 migliorati in intervalli accettabili. La Fase di Allerta persiste nel Valle de Toluca e Santiago Tianguistenco per inquinanti persistenti, con regole normali di Hoy No Circula in vigore — senza restrizioni doppie.