Environment ❯ Air Quality ❯ Pollution

Particulate Matter

PM2.5 Health Effects PM10 PM2.5 and PM10 Health Risks PM 2.5 PM2.5 Levels AQI Health Impacts Wildfire Smoke

EEA Reports Cleaner Air in Europe as PM and Ozone Persist

The agency urges sharp cuts to fine particle pollution to protect heart and lung health.

Praan Positions ‘Filterless’ Air Systems for Scale With Mumbai Factory and Real-Estate Deals

Gurugram Leads March Pollution as Ghaziabad Tops FY 2025-26, Study Finds

Mexico City Sticks With Regular Hoy No Circula After Friday’s Hazardous Air

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

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

Hoy No Circula Uses Second‑Saturday Rules Across Mexico City Area on March 14

Johannesburg’s ‘Rotten-Egg’ Odor Persists as Monitors Log Hydrogen Sulphide Spikes

Ghaziabad Leads 2025–26 Winter Pollution Rankings as CREA Reports Worsening PM2.5

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

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

Hazardous Dust in California’s Imperial Valley, Orange PM2.5 Advisories in Tuxtla and New York City

Philadelphia Launches Breathe Philly, Citywide Real-Time Air Quality Network

Massive U.S. Study Links Fine-Particle Pollution to Higher Alzheimer’s Risk

Code Orange Air Quality Alerts Continue in Parts of Pennsylvania, Extending Into Thursday in Some Areas

Hoy No Circula Suspended This Sunday in CDMX, Edomex and Toluca Metro Areas

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

Bay Area Issues Thursday Spare the Air Alert, Bans Wood and Solid-Fuel Burning

Hoy No Circula: Monday, Feb. 2 Rules Hold Steady in Mexico City and Edomex

Germany Records Widespread PM2.5 Breaches as Rain and Wind Bring Partial Relief