A summary of the results of Contra Costa County
by Orit Gourgy Hacohen MD, PhD
The American Lung Association recently published their annual report regarding the air quality in the United States. The current report utilizes data from 2011, 2012 and 2013 to grade the Ozone and Particle pollution levels in the different counties and metropolitans nationwide.
The results for Contra Costa County are:
Ozone levels – Grade C
24 hour particle pollution – Grade C
Annual particle pollution – Pass
Highlights for our county:
Compared to last year’s report (for the years 2010-2012) there were fewer high ozone days and the same amount of 24-hour particle pollution days (see below the color classification and explanation regarding the grading system).
Read the entire article here State of the air 2015