Environment ❯ Air Quality ❯ Pollution

Particulate Matter

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

Boyle Heights Warehouse Fire Triggers Large-Scale Cleanup and Closure Demands

Contractors are removing roughly 85 million pounds of rotting food under city orders to protect public health.

Tire Fire in Houston’s East End Sent Particulate Spikes Measured Miles Downwind

Huge Tire Fire in Houston Exposes Missing Permits and Longstanding Legal Troubles

ASA Bans Brighton Poster That Linked Wood‑Burning to School Pollution

Galicia Activates Air-Quality Protocol as Saharan Dust Raises Particle Levels

EEA Reports Cleaner Air in Europe as PM and Ozone Persist

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

Saharan Dust Plume Brings ‘Blood Rain’ Risk Across Germany

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