Nitrogen Dioxide (NO2) and other nitrogen oxides (NOx) damage the human respiratory system and contribute to acid rain. These air pollutants are regulated as part of EPA's National Ambient Air Quality Standards (NAAQS).| US EPA
EPA Administrator Lee Zeldin released the agency’s proposal to rescind the 2009 Endangerment Finding, which has been used to justify over $1 trillion in regulations| US EPA
This page has benefit per-ton estimates that relate changes in emissions in PM2.5 precursor emissions from 17 industrial, area and mobile sectors and monetized benefits.| US EPA
Particle pollution is the term for a mixture of solid particles and liquid droplets found in the air. These include "inhalable coarse particles," with diameters between 2.5 micrometers and 10 micrometers, and "fine particles," 2.5 micrometers and smaller.| US EPA
