• Air and Air Pollution
  Agency for Toxic Substances and Disease Registry
• Air Pollution and Respiratory Health
  Centers for Disease Control and Prevention
• Air Pollution and Cardiovascular Disease -- Summary Page
  American Heart Association
• Air Quality Index
  AIRNOW.Gov
• Environmental Management of Pediatric Asthma: Guidelines for Health Care Providers
  National Environmental Education Foundation
• Mobile Source Air Toxics
  U. S. Environmental Protection Agency
• National Air Toxics Assessments
  U. S. Environmental Protection Agency
• National Environmental Public Health Tracking Network
  Centers for Disease Control and Prevention
• Six Common Air Pollutants
  U. S. Environmental Protection Agency
• State of the Air: 2012 Report
  American Lung Association
• Toxic Air Pollutants
  U. S. Environmental Protection Agency

• Glossary of Terms
  U. S. Environmental Protection Agency

Data

• Air Pollutant Emission Trends
  U. S. Environmental Protection Agency
• Air Trends
  U. S. Environmental Protection Agency
• AirData: Access to Air Pollution Data
  U. S. Environmental Protection Agency

• Air Quality Management in the United States (2004)
  National Research Council / National Academies Press
• Air Quality Planning and Standards
  U. S. Environmental Protection Agency
• Clean Air Act
  U. S. Environmental Protection Agency
• EPA Strengthens Smog Standard/Proposed standards, strictest to date, will protect the health of all Americans, especially children
  U.S. Environmental Protection Agency
• Particulate Matter (PM) Standards
  U. S. Environmental Protection Agency
• The Plain English Guide to the Clean Air Act
  U. S. Environmental Protection Agency

Cadmium

• Public Health Statement for Cadmium (PDF, 580 KB)
  Agency for Toxic Substances and Disease Registry
• ToxFAQs™ for Cadmium
  Agency for Toxic Substances and Disease Registry

Methyl tert-Butyl Ether (MTBE)

• ToxFAQs™ for Methyl tert-Butyl Ether (MTBE)
  Agency for Toxic Substances and Disease Registry

Nitrogen Oxide

• ToxFAQs™ for Nitrogen Oxides
  Agency for Toxic Substances and Disease Registry

Ozone

• Ozone
  AIRNOW.Gov
• Ozone
  National Institute of Environmental Health Sciences
• Ozone and Your Patients' Health: Training for Health Care Providers
  U. S. Environmental Protection Agency

Particulate Matter

• Particulate Matter
  U. S. Environmental Protection Agency
• Particle Pollution and Your Health
  AIRNow.Gov

Sulfur Dioxide

• Public Health Statement for Sulfur Dioxide
  Agency for Toxic Substances and Disease Registry
• Sulfur Dioxide
  U. S. Environmental Protection Agency
• ToxFAQs™ for Sulfur Dioxide
  Agency for Toxic Substances and Disease Registry
• Toxicological Profile for Sulfur Dioxide
  Agency for Toxic Substances and Disease Registry

Sulfur Trioxide

• Public Health Statement for Sulfur Trioxide and Sulfuric Acid
  Agency for Toxic Substances and Disease Registry
• ToxFAQs™ for Sulfur Trioxide and Sulfuric Acid
  Agency for Toxic Substances and Disease Registry

PubMed - Biomedical journal literature

• Outdoor Air Pollution and Illness
  
  • Articles from last 12 months
  • Review articles
  • All articles on this topic - May retrieve large number of citations
• Chlorofluorocarbons
  
  • Articles from last 12 months
  • Review articles
  • All articles on this topic - May retrieve large number of citations
• Lead
  
  • Articles from last 12 months
  • Review articles
  • All articles on this topic - May retrieve large number of citations
• Nitrogen Oxides
  
  • Articles from last 12 months
  • Review articles
  • All articles on this topic - May retrieve large number of citations
• Ozone
  
  • Articles from last 12 months
  • Review articles
  • All articles on this topic - May retrieve large number of citations
• Sulfur Dioxide
  
  • Articles from last 12 months
  • Review articles
  • All articles on this topic - May retrieve large number of citations

Hazardous Substances Data Bank - Toxicology of potentially hazardous chemicals

• Lead, elemental
• Lead Compounds
• Nitric Oxide
• Nitrogen Dioxide
• Sulfur Dioxide

TOXLINE - Special journal literature, technical reports and archival collections

• Lead
  
  • Articles from last 12 months
  • Review articles
  • All articles on this topic - May retrieve large number of citations
• Nitrogen Dioxide
  
  • Articles from last 12 months
  • Review articles
  • All articles on this topic - May retrieve large number of citations
• Sulfur Dioxide
  
  • Articles from last 12 months
  • Review articles
  • All articles on this topic - May retrieve large number of citations

ChemIDplus - Chemical identification and structure database

• Lead
• Nitric oxide
• Nitrogen dioxide
• Nitrogen Oxide (NOx)
• Sulfur Dioxide

Tox Town - Consumer introduction to environmental health and toxic chemicals

• Diesel
• Gasoline
• Natural Gas
• Nitrogen Oxides
• Outdoor Air
• Ozone
• Particulate Matter
• Sulfur Dioxide

MedlinePlus - Consumer Health Information

• Air Pollution
• Lead Poisoning
• Ozone

NLM Catalog - Access to information about books and other materials in NLM's catalog

• Air Pollution
  
  • Books from last 5 years
  • All books on this topic

• AIRNOW
• American Heart Association
• American Lung Association®

• Anhídrido sulfuroso. ToxFAQs
  Agencia para Sustancias Tóxicas y el Registro de Enfermedades
• Contaminación aérea y Riesgo de Salud
  U. S. Environmental Protection Agency
• Contaminación del aire
  MedlinePlus. National Library of Medicine
• Contaminación del aire y salud respiratoria
  Centros para el Control y la Prevención de Enfermedades
• Evaluación de Riesgo para Contaminantes Tóxicos del Aire: Guía de un Ciudadano
  U. S. Environmental Protection Agency
• Exposiciones evaluando Contaminantes de Aire Tóxicos: Guía de un Ciudadano
  Agencia de Protección Ambiental de Estados Unidos
• Manejo Ambiental de Asma Pediátrica: Guías para el Personal de Salud (PDF, 2 MB)
  National Environmental Education Foundation and the National Hispanic Medical Association
• Óxidos de nitrógeno. ToxFAQs
  Agencia para Sustancias Tóxicas y el Registro de Enfermedades
• Ozono (PDF, 65 KB)
  Departamento de Salud y Servicios para Personas Mayores de New Jersey
• Ozono
  MedlinePlus, National Library of Medicine
• Tox Town en Español
  
  • Aire exterior
  • Compuestos orgánicos volatiles
  • Diesel
  • Gas natural
  • Gasolina
  • Material particulado
  • Óxidos de nitrógeno
  • Ozono
  • Plomo