Posts Tagged with: pm2.5 (2)

What is Particulate Matter (PM2.5) and the Environmental Significance

Particulate Matter (PM) comprises a diverse mix of solid and liquid particles suspended in the atmosphere, varying in size, chemical composition, and origin (U.S. Environmental Protection Agency [EPA], 2023). Among...

July 14, 2025

5 min read

Understanding the Air Quality Index (AQI)

The Air Quality Index (AQI) is a vital tool developed by the U.S. Environmental Protection Agency (EPA) to communicate outdoor air quality and its potential health impacts. This index provides...

October 29, 2024

9 min read