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Health Risks

UK Launches Opt‑In Local Air Quality Alert Service

The service sends targeted text or email warnings to help people avoid short‑term pollution spikes and support public health protection.

Hoy No Circula Limits Vehicles in Mexico City Area on Aug. 13–14

Mexico City’s Hoy No Circula Runs Normally as No Contingency Is Declared

Wildfire Smoke Forces Multiple Outdoor Concerts to Cancel or Postpone

Canadian Wildfires Send Hazardous Smoke Over U.S. Midwest and Northeast

Delhi L‑G Orders 'Mission‑Mode' Dust Control After CAQM Reviews GRAP

CAQM Revokes Stage I GRAP Across Delhi‑NCR After AQI Falls to Moderate

Mexico City Metro Keeps Regular Hoy No Circula Rules for Saturday, May 16

Mexico City Region Ends Ozone Contingency After Levels Fall

French Parliament Passes ‘Simplification’ Law That Repeals Low-Emission Zones

IMD Warns of Rapid Heat Surge Across India as Delhi Nears 40°C This Week

Mexico City Keeps Ozone Contingency in Force as 'Doble Hoy No Circula' Applies Wednesday

Severe Storms Erupt Across Central U.S. This Evening With Tornado Risk Concentrated Near and South of I-80

Western U.S. Heat Builds Toward Records as Brief Warm Spell Spreads East

Hoy No Circula Returns to Regular Third‑Saturday Rules as Air Quality Improves in Mexico City Region

Study Finds Global Wildfire-Weather Days Nearly Tripled in 2023–24

Health and Environmental Groups Sue EPA Over Repeal of Greenhouse-Gas ‘Endangerment Finding’

Code Orange Air Quality Alerts Remain in Effect Across Southeastern and Central Pennsylvania

Munich Court Orders Return to 30 km/h on Mittlerer Ring as Mayor Delays Implementation

Official Alerts Sweep the Americas as Winter Storm and Cold Front Drive Hazardous Weather