We know this from the analysis of air quality monitoring data from around the country. We also know that much of the air pollution is invisible and cannot be detected by human senses. Chief among these is the pollutant ozone.
Ozone is the prime component of smog , the typical air pollution of urban areas.
In Louisiana, ozone formation is largely dependent on summer weather. Health Effects of Ozone Ozone is associated with numerous health effects in humans. Eye irritation is characteristic of ozone pollution. Exposure to ozone can cause coughing, chest pain, and throat irritation. Ozone can also increase susceptibility to respiratory infections.