Kualitas Udara

Smog-filled Mexico City skyline during ozone pollution alert with vehicle restrictions and health precautions.

Environmental contingency extended in Mexico Valley until February 16

Minggu, 15 Februari 2026 Dilaporkan oleh AI Gambar dihasilkan oleh AI

The Metropolitan Environmental Commission activated phase 1 of the environmental contingency due to ozone in the Mexico Valley Metropolitan Area on February 15, owing to high pollutant concentrations. This measure will continue into Monday, February 16, with double vehicle restrictions under Doble Hoy No Circula. Authorities recommend precautions to protect public health.

Authorities forecast up to 15 days of double Hoy No Circula due to heat waves in Mexico Valley

The National Meteorological Service anticipates three to five heat waves in central Mexico from March to May 2026, with temperatures up to 4 degrees Celsius above average. The Megalopolis Environmental Commission estimates this could trigger up to 15 days of ozone contingency, imposing stricter vehicle restrictions in Mexico City and the State of Mexico.

Johannesburg faces return of sulphur odour amid pollution concerns

Rabu, 11 Maret 2026 Dilaporkan oleh AI

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.

Asia

Delhi logs second-best January air in five years with AQI of 307

Asia

Delhi sees wettest January in four years with increased chill

Asia

Delhi's AQI reaches moderate level after rain and winds

Ilmuwan menemukan jumlah besar partikel plastik di udara perkotaan

Para peneliti menemukan kadar mikroplastik dan nanoplastik di udara kota jauh lebih tinggi daripada perkiraan sebelumnya, menyoroti atmosfer sebagai jalur utama polusi plastik. Menggunakan teknik otomatis baru, ilmuwan di Tiongkok mengukur partikel kecil ini di Guangzhou dan Xi'an, mengungkap konsentrasi dua hingga enam orde magnitudo di atas laporan sebelumnya. Debu jalan dan curah hujan sangat memengaruhi pergerakan plastik ini di udara.

North China farmers pay heavy price for Beijing's clean air success

Senin, 12 Januari 2026 Dilaporkan oleh AI

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 winter pollution crisis: AQI hits 353 'very poor' amid dense fog

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.

Mexico State suspends Phase I air contingency after Christmas activation, alert remains in Toluca and Tianguistenco

Jumat, 26 Desember 2025 Dilaporkan oleh AI

Following the activation of Phase I on December 25 due to Christmas fireworks and bonfires, Mexico State suspended the Atmospheric Environmental Contingency on December 26, 2025, as PM2.5 levels improved to acceptable ranges. The Alert Phase persists in Valle de Toluca and Santiago Tianguistenco due to ongoing pollutants, with normal Hoy No Circula rules in effect—no double restrictions.

19 Februari 2026 19.38