Even air pollution levels far higher than any we experience in the United States are perfectly safe. Thenation's air does not cause adverse health effects.

A new report exaggerates existing air quality problems and misleads the public on the state of the air we breathe.

Do not fear overhyped, scary environmentalist reports. Air quality is improving.

Air pollution is at a historic low and affects far fewer people, far less often, and with far less severity than activists care to admit.

Air Quality in America rebuts mistaken perceptions that U.S. air quality is bad by documenting marked improvements over the past decades.

Evidence continues to mount that air pollution at contemporary low levels is causing little or no harm, even in the most polluted areas of the country.

Where has national ozone policy gone wrong, and how can we acheive healthy air at a far lower price?

Visiting scholar Joel Schwartz available for comment on the State of the Air 2007 report.