Ground-level

Ground-level ozone kills farm crops and also adversely affects health.

Global warming rate could be halved by controlling 2 pollutants, U.N. study says 2011

Ground-level ozone, the chief ingredient of smog, has been linked to decreases in lung function and increased risks of throat irritation, coughing, chest pain, and lung-tissue inflammation.

California air-purifier regulations hit home 2010

Ground-level ozone kills farm crops and also adversely affects health.

Global warming rate could be halved by controlling 2 pollutants, U.N. study says 2011

Ground-level ozone, the main component of smog, is a health hazard, particularly to children and adults with lung disease.

By the Numbers: EPA proposes tighter air-quality standard for ground-level ozone 2010

Ground-level ozone (aka "smog," as opposed to stratospheric ozone that protects us from harmful ultraviolet rays) is formed most often during summer, when NOx react with volatile organic compounds and sunlight -- a toxic mix that can affect everyone, especially children, older adults and those with asthma, cardiovascular disease or weakened immune systems.

'Be air aware' this week 2010

Ground-level ozone, the chief ingredient of smog, has been linked to decreases in lung function and increased risks of throat irritation, coughing, chest pain, and lung-tissue inflammation.

California air-purifier regulations hit home 2010

Ground-level ozone, the main component of smog, is a health hazard, particularly to children and adults with lung disease.

By the Numbers: EPA proposes tighter air-quality standard for ground-level ozone 2010

Ground-level ozone is a primary ingredient in smog linked to respiratory illnesses.

EPA Again Delays Tighter Ozone Restrictions Stephen Power 2010

Ground-level ozone forecasts, for years a key predictor of air quality in major U.S. cities, are now available throughout the contiguous United States.

NOAA Air Quality Ozone Forecasts Now Available Coast to Coast « ResourceShelf 2007

Ground-level ozone presents average values that exceed the selected guideline values in all of the analysis by regions, income level and number of inhabitants, demonstrating that this is a global problem with consequences for rich and poor countries, large and medium cities and all the regions.

Air quality in megacities 2008