<http://schema.org/description>
"Levels of PM 2.5 &amp;mdash; the most accurate measure of air pollution &amp;mdash; reached record breaking and hazardous levels in Beijing over the weekend as factories were ordered to cut emissions and residents advised to stay indoors."^^<http://www.w3.org/2001/XMLSchema#string>
<http://inhabitat.com/beijing-smog-beyond-index-as-air-pollution-recorded-at-over-30-times-safe-levels/>