Getting to Know You: Ground Level Ozone
by SLCgreen intern Emalee Carroll
As Salt Lake City residents we are well acquainted with air pollution, but do we know what’s in it? With the Clear Air Challenge happening over the summer, we at SLCgreen wanted to take some time to provide a rundown on some of the different types of air pollution in Salt Lake City, what you can do about it, and what the city is currently working on and has done to make a difference!
What is Ground Ozone?
As we enter the thick of summer and all the fun outdoor activities that come with it, let’s break down a major summertime pollutant – ground level ozone. Ozone gas is naturally occurring in our atmosphere, helping to protect us from harmful UV radiation. However, ozone is not found naturally at ground level. Rather, the gas is known as a “secondary pollutant” meaning it’s created through a series of reactions between compounds in the air. This process is facilitated by heat and sunlight which is why ozone levels are typically higher in the summer months.
How does Ozone Affect SLC residents?
Like PM 2.5, studies have shown ozone also has adverse impacts on respiratory health. Ozone gas can reach deep into our lungs, damaging cells like a sunburn would, and trapping air in the alveoli. This process can cause coughing, throat irritation, chest pain, and congestion. Additionally, ozone can aggravate respiratory diseases such as asthma, COPD, and chronic bronchitis.
Aside from harming the health of Salt Lake residents, ozone can also negatively impact local ecology. When ground-level ozone enters the membranes of leaves, it reduces the ability of the plant to photosynthesize sunlight, slows growth, and ultimately weakens the organism. In extreme circumstances, this can lead to a loss of trees and other plants, which affects both the quality of life in urban settings, as well as the health of the overall ecosystem and animals that rely on those plants for food.
Read more