Environment ❯ Pollution ❯ Air Pollution

Particulate Matter

PM2.5 Health Effects PM10 PM2.5 Levels PM 2.5 Health Risks Health Impacts PM2.5 and PM10 Levels PM2.5 Emissions Road Dust

Study Links Cruise-Ship Ultrafine Pollution to Increased Viral Susceptibility

Lab evidence that metal-rich ultrafine ship emissions increase cell inflammation could push ports to tighten emissions rules.

Long-Term PM2.5 Exposure Tied to Lower Semantic Memory in Older Black Adults

Study Finds Indo‑Gangetic Pollution Rising and Reaching the Himalayas

Arequipa Overtakes Lima as Peru’s Most Polluted City

Peru Now Latin America’s Most Polluted Country as Arequipa Leads the Rankings

Pakistan Tops 2025 Pollution Rankings as Loni, India, Leads City List

Western Europe Braces for Notable Fine-Particle Pollution Episode This Weekend

Congress Demands Overhaul of India’s Air-Quality Standards After New PM2.5 Findings

Saharan Dust Drives Pollution Alerts Across France as Paris Sets Sunday Traffic Limits

Saharan Dust Plume to Sweep Across France, Peaking Thursday

Mexico City Keeps Regular Friday Hoy No Circula as Air Quality Worsens

Winter Smog Persists Over Eastern and Northern Germany, With PM Limits Breached in Saxony and Lower Saxony

Study Finds Home Wood Heating a Major Winter Polluter Linked to 8,600 U.S. Deaths

Germany Faces Weekend of Poor Air as UBA Issues Health Warning

California PM2.5 Alerts Persist as Riverside and Orange Counties Remain Unhealthy for Sensitive Groups

California Air Quality Alerts Persist as 'Unhealthy' PM2.5 Prompts Stay-Home Guidance

EPA Halts Dollar Valuation of PM2.5 and Ozone Health Benefits in Rule Analyses

44% of Indian Cities Breach PM2.5 Limits as Byrnihat Tops 2025 Ranking

California Air Quality Advisory Persists as PM2.5 Reaches Unhealthy Levels in Select Areas

CREA Finds Secondary Ammonium Sulfate Drives Up to 42% of India’s PM2.5, One-Third in Delhi