Ambient Air Quality Articles & Analysis: Older
8 news found
Environmental Protection Agency (EPA) has strengthened the National Ambient Air Quality Standards (NAAQS) for ground-level ozone to 70 parts per billion (ppb) from 75 ppb to protect public health. ...
Groundwater and air quality testing before, during, and after natural gas drilling – which includes hydraulic fracturing -- should be key components of efforts to ensure the safety of communities near these sites, according to an expert panel convened to weigh in on public health research needs associated with unconventional natural gas drilling operations ...
The giant wildfire burning at the edge of Yosemite National Park has not only destroyed buildings and threatened water supplies, electricity and sequoias, it has also unleashed a smoky haze that has worsened air quality more than 100 miles away in Nevada. The plume from the Rim Fire in California triggered emergency warnings in the Reno and Carson City area. Schoolchildren were kept inside for ...
Throughout May, as part of Asthma Awareness Month, EPA is encouraging Americans to take simple steps to prevent asthma attacks while also honoring three leading asthma management programs for their efforts to improve the lives of people with asthma in underserved communities. The economic costs of asthma amounts to more than $56 billion per year from direct medical costs and indirect costs, such ...
This research will evaluate the interactions between climate change and air quality and develop approaches to adapt to a changing climate and provide state, local and Tribal partners with tools and technologies to support their climate change programs. ...
Recently, the U.S. Centers for Disease Control (CDC) announced that an additional 4.3 million people were diagnosed with asthma between 2001 and 2009. These new figures bring the total number of asthma suffers in the United States to approximately 1 in 12 or 25 million people. "Despite the fact that outdoor air quality has improved, we've reduced two common asthma triggers - secondhand smoke ...
To kick off Asthma Awareness Month, the U.S. Environmental Protection Agency (EPA) is commemorating World Asthma Day by bringing awareness to a growing nationwide problem. Asthma has consistently increased over the past decade with more than 4 million additional cases reported, including nearly 1 million additional cases reported in children. One out of every 10 school aged children is affected ...
Oxides of nitrogen is one of the six criteria pollutants for which EPA is required to issue air quality criteria under the Clean Air Act (CAA). EPA set a national ambient air quality standard (NAAQS) for nitrogen dioxide (NO2), an indicator for gaseous nitrogen oxides, at an annual average of ...