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Smog air pollution by county. <a href="https://earthjustice.org/feature/soot-smog-air-map-united-states-county">See full map.</a> (Air Quality System Data / U.S. EPA)
feature June 26, 2025

Mapping Soot and Smog Pollution in the United States

How is the air where you live?
Smog air pollution by county. <a href="https://earthjustice.org/feature/soot-smog-air-map-united-states-county">See full map.</a> (Air Quality System Data / U.S. EPA)
feature June 26, 2025

What’s the state of smog pollution where you live?

Search by county to see the level of smog pollution in the air. Smog can trigger asthma attacks and increase the risk of heart and lung diseases.
Press Release June 27, 2024

Corte Suprema Bloquea Plan Federal de Contaminación del Aire

La Corte Suprema votó 5-4 para suspender el "Plan del Buen Vecino" de la EPA
The U.S. Supreme Court. (Shutterstock)
Press Release June 27, 2024

Supreme Court Blocks Life-Saving Federal Air Pollution Plan

The Supreme Court voted 5-4 to stay EPA’s “Good Neighbor Plan”
Emissions from a stack at the Mitchell Power Plant, a coal-powered plant, in Moundsville, WV, on Thurs., May 4, 2023. (Lauren Petracca for Earthjustice)
Update June 27, 2024

The Supreme Court Just Ruled on a Major Air Pollution Case

Health and environmental stakes are high as the Court ruled in favor of industrial polluters and political allies in their challenge of the EPA’s efforts to curb smog and protect…
A haze of smog covers the Port of Houston. (James Dillard)
case February 28, 2024

The EPA’s Good Neighbor Plan: Defending Public Health in the Supreme Court

The future of the Good Neighbor Plan hangs in the balance, with implications for public health and economic prosperity nationwide.
Press Release February 21, 2024

Corte Suprema Escucha Solicitud Extraordinaria Para Bloquear Nuevo Plan de Smog de la EPA

El futuro del Plan del Buen Vecino es incierto, con implicaciones para la salud pública y la prosperidad económica
Ozone is a type of pollution formed from the exhaust of power plants, factories, cars and trucks. (Tatiana Grozetskaya / Shutterstock)
Press Release February 21, 2024

SCOTUS Hears Extraordinary Request to Block EPA’s New Smog Plan

The future of the Good Neighbor Plan is uncertain, with implications for public health and economic prosperity
The U.S. Supreme Court. (Phil Roeder / CC BY 2.0)
Press Release February 21, 2024

Supreme Court to Hear Oral Arguments on Cross-State Ozone Pollution

Blocking the Good Neighbor Plan would be extraordinarily harmful
(Architect of the Capitol)
Press Release November 3, 2023

Earthjustice Statement on House Passage of Interior-Environment Appropriations Bill

The bill doubles down on policies that reject science, undermine environmental protections, and prioritize the profits of polluting industries over our health
Press Release September 25, 2023

Court Rejects Polluters’ Requests to Block EPA’s Good Neighbor Rule

Reductions in cross-state smog-forming emissions will go forward
document September 25, 2023

Federal Appeals Court Denies Polluters Request Challenging EPA’s Good Neighbor Rule

Order denies the requests of states and industry groups to block the Environmental Protection Agency's (EPA) "Good Neighbor Rule.” The rule, designed to address cross-state air pollution and the adverse…
(Architect of the Capitol)
From the Experts July 19, 2023

House Republicans Released Their Interior-EPA Appropriations Bill. It’s Even Worse than We Expected

Congress must reject these poison pill riders and non-negotiable provisions that will harm communities and the environment.
Press Release March 15, 2023

New Rule Will Require Upwind Industry and Power Plants to Reduce Smog Polluting Downwind States

The Good Neighbor Rule will require 23 states to clean up their smog-forming emissions
Press Release March 3, 2023

Federal Court Upheld EPA Cross-State Ozone Rule

The rule requires states to reduce power plant pollution that contributes to unhealthy smog levels in downwind states