Air Pollution and Air Quality

When Chinese officials and the IOC declared the air in Beijing clean for the Games -- IOC president Jacques Rogge said the sun was simply hiding behind fog from "heat and humidity," never mind that, some days, there was less than 60 percent relative humidity -- it gave a seal of approval to...  

The International Olympic Committee (IOC) is asking journalists and athletes to trust the Beijing official figures on air quality and trust that it is in journalists’ and athletes’ best interests not to know the current rate of pollution in the Chinese capital.  

FRESNO (AP) -- Air quality in the San Joaquin Valley was predicted to be at its unhealthiest level in a month Friday as 104-degree heat and stagnant air combine to trap pollution. Air officials issued a "very unhealthy" forecast for Fresno County, while the air in Merced, Kings, Tulare and Kern...  

FRESNO — A dangerous mix of heat, pollution and stagnant air has settled over the San Joaquin Valley, pushing air quality to very unhealthy levels.  

The U.S. Environmental Protection Agency, state regulators, and the electric power industry are struggling to come to grips with the impact of a surprise court decision last month that dismantled a major air-pollution regulation. Author: Erik Stokstad  

Combustion Research Facility, Mail Stop 9055, Sandia National Laboratories, Livermore, California 94551-0969, Department of Chemistry, University of California, Berkeley, California 94720, Chemical Sciences ...  

As the 2008 Beijing Olympic Games get underway, an expensive environmental experiment is taking place, providing a golden opportunity for pollution science. The Beijing Olympic Air Quality Monitoring and Warning Project, a 30 million yuan (US$4.3 million) monitoring system, has been created in an...  

A Chinese scientist says barring a dramatic change between now and Friday, the air quality in Beijing will be fairly good at the Olympic Games opening.Chinese authorities have taken several drastic measures in recent weeks from shutting down factories in and around the capital to severely...  

Geneva Rock Products Inc. is coughing up nearly $1.7 million to cover fines and required improvements after pumping too much pollution into the air at its Point of the Mountain gravel pit.  

A chemistry doctoral student at the University of California, Merced has been arrested for allegedly stealing university supplies to produce methamphetamine.  

BEIJING - Beijing's pollution levels dropped Wednesday to less than half of the previous day's, the lowest reading since authorities began pulling cars off the road and shutting down factories to address athletes' concerns about air quality ahead of the Olympic Games.  

Christopher W. Dilbeck , and Barbara J. Finlayson-Pitts * Department of Chemistry, University of California Irvine, Irvine, California 92697-2025 bjfinlay@uci.edu Received June 3, 2008 Abstract: Photolysis of a ...