It has been documented that environmental factors such as air pollution can provoke or aggravate asthma symptoms in those who are already asthmatic.
Interaction between the different air pollution control technologies is also discussed.
bogeymanleaves the big boogeyman - outdoor air pollution.
Flying off to a warmer climate - a fun site which calculates for you the air pollution caused by any flight route you choose.
walk-through survey to identify possible sources of air pollution.