Air and Radiation
This page shows all of the pages at www.epa.gov that are tagged with Air and Radiation.
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EPA Prioritizes Review of New Chemicals Used in Data Center Projects, Supporting American Manufacturing and Technological Advancement
Following a roundtable with AI and data center leaders at the White House on Monday, U.S. Environmental Protection Agency Administrator Lee Zeldin announced that it will be prioritizing the review of new chemicals under the Toxic Substances Control Act.
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ICYMI: Administrator Zeldin in The Hill: EPA Has a Huge Role in American AI Dominance
Today, U.S. Environmental Protection Agency (EPA) Administrator Lee Zeldin published an op-ed in The Hill highlighting the agency’s role in helping the United States lead the artificial intelligence (AI) revolution.
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EPA Issues Air Permit for Offshore Deepwater Port for Crude Oil Export, Unleashing American Energy Dominance
Information about the Clean Air Act permit for the proposed offshore Texas GulfLink deepwater port.
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EPA Releases Proposal to End the Burdensome, Costly Greenhouse Gas Reporting Program, Saving up to $2.4 Billion
Today, in accordance with President Trump’s Day One executive orders, U.S. Environmental Protection Agency (EPA) Administrator Lee Zeldin announced a proposed rule to end the burdensome Greenhouse Gas Reporting Program (GHGRP)
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EPA Announces Permitting Reform to Provide Clarity, Expedite Construction of Essential Power Generation, Reshore Manufacturing
EPA Administrator Lee Zeldin announced new guidance on New Source Review (NSR) preconstruction permitting requirements to provide much needed clarity for the buildout of essential power generation and reshoring of manufacturing.
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Acuerdo entre EPA y Best Petroleum Corp tras violaciones a la Ley de Aire Limpio en una instalación de almacenamiento de gasolina en Guaynabo, Puerto Rico
EPA News Release: Acuerdo entre EPA y Best Petroleum Corp tras violaciones a la Ley de Aire Limpio en una instalación de almacenamiento de gasolina en Guaynabo, Puerto Rico
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EPA and Forest Service Release Updated AirNow Fire and Smoke Map
Updated map loads more quickly, includes additional information to help protect people from wildfire smoke
EPA News Release: EPA and Forest Service Release Updated AirNow Fire and Smoke Map
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La EPA y el Servicio Forestal publican el mapa actualizado de incendios y humo de AirNow
El mapa actualizado se carga más rápidamente, incluye información adicional para ayudar a proteger a las personas del humo de los incendios forestales
EPA News Release: La EPA y el Servicio Forestal publican el mapa actualizado de incendios y humo de AirNow
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EPA Finalizes Rule Ensuring Military, Asthma Inhalers, Semiconductor Manufacturers Have Priority Access to Needed Ingredients
EPA is finalizing a rule to support essential American industries by renewing limited, priority access to a class of key chemicals called hydrofluorocarbons (HFCs) for critical uses through 2030.
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EPA Cuts Red Tape for Commercial, Industrial Incinerators After Natural Disasters
Agency Follows Through on States’ Request for Flexibility Regarding Effective, Life-Saving Debris Removal
EPA Administrator Lee Zeldin issued an Interim Final Rule (IFR) to cut red tape on the temporary use of Commercial and Industrial Solid Waste Incinerators (CISWI) for natural disaster debris.
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EPA Announces Action on Small Refinery Exemptions, Continues Work to Get Renewable Fuel Standard Program Back on Track
EPA is acting on the backlog of 175 Small Refinery Exemption (SRE) petitions from 38 small refineries for 2016 – 2024 compliance years, in consultation with DOE.
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EPA Administrator Zeldin, VP Vance Tour Alta Refrigeration, Highlight EPA Action to Lower Costs for American Families
With Vice President J.D. Vance at an Alta Refrigeration tour in Peachtree City, Georgia, EPA Administrator Lee Zeldin highlighted agency action to increase access to safe, available refrigeration inputs.
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New Data Shows Chemical Releases Decline While American Economy Thrives
EPA released its Toxics Release Inventory (TRI) National Analysis for reporting year 2023, which shows that toxic chemical releases have decreased as the chemical industry’s contribution to the national Gross Domestic Product (GDP) has increased.
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WHAT THEY ARE SAYING: Leaders Throughout the Country Commend EPA’s Announcement on Diesel Exhaust Fluid
On Tuesday, U.S. Environmental Protection Agency (EPA) Administrator Lee Zeldin announced that the agency is issuing manufacturer guidance to address widespread concerns from truckers, farmers, and other diesel vehicle operators
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ICYMI: EPA Green Lights Diesel Exhaust Fluid (DEF) Fix Protecting Hard-Working American Farmers, Truckers, Equipment Operators
On Tuesday, U.S. Environmental Protection Agency (EPA) Administrator Lee Zeldin announced new guidance urging engine and equipment manufacturers to revise diesel exhaust fluid (DEF) system software in existing vehicles and equipment.
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At Iowa State Fair, EPA Administrator Zeldin Announces Diesel Exhaust Fluid (DEF) Fix
EPA Issues Guidance to Address Derates, Power Loss Concerns Raised by American Farmers, Truckers, and Equipment Operators Without Compromising Environmental Standards
EPA Administrator Lee Zeldin announced new action to protect American farmers, truckers, and other diesel equipment operators from sudden speed and power losses caused by diesel exhaust fluid (DEF) systems.
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EPA Administrator Zeldin Visits Iowa, Announces New EPA DEF Guidance, Attends State Fair, Celebrates One Big Beautiful Bill
On Tuesday, August 12, 2025, U.S. Environmental Protection Agency (EPA) Administrator Lee Zeldin was in Iowa to visit with state, local and federal partners, farmers, and stakeholders to discuss environmental issues in the state, announce new guidance
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Make Gas Cans Great Again by Improving Flow
Today, U.S. Environmental Protection Agency (EPA) issued letters to portable fuel container (PFC or gas can) manufacturers encouraging them to add vents to gas cans to ensure safe and effective refueling.
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EPA Region 2 Highlights Accomplishments Since April
EPA Region 2 continues to deliver measurable results that are improving human health and environmental quality across the Northeast and Caribbean.
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EPA Celebrates Another 100 Days with 100 More Pro-Environmental Actions
EPA Administrator Lee Zeldin shared 100 additional environmental actions EPA has taken in the last 100 days to recognize 200 Days of providing clean air, land, and water for all Americans under President Donald Trump’s leadership.