High Hourly Air Pollution Levels More Than Double Stroke Risk (Medical News Today) High hourly levels of air pollution, more than double the risk of one type of stroke, suggests research published ahead of print in Occupational and Environmental Medicine.Currently, the risk of respiratory and cardiovascular problems tends to be linked to the average daily amount of air pollution, rather than variations in hourly levels. [click link for full article] [News Source]

Air pollution could be stroke of bad luck (The Star) The risk of death from a stroke is linked to exposure to high concentrations of air pollution two hours before death, Japanese scientists say. Because this risk appears to be independent of 24-hour particulate matter levels, they suggest air quality standards be based on hourly data. [News Source]

Soot rules: No small matter.

The U.S. Environmental Protection Agency has defied the recommendation of its own science advisors on regulating the tiny airborne particles in soot.

[News Source]