The presence of pesticides in the air is worrying since they are suspected of being endocrine disruptors and sometimes mutagenic, carcinogenic and reprotoxic. The available data do not allow us to conclude on the quantities observed at the scale of the whole territory. They are mainly limited to an identification of known compounds, often at very low concentrations, but it is difficult to overlook as we do not know the acceptable limits from a health perspective.
It is interesting to note that many compounds are derived from pesticides that have been banned for decades. To explain this, several possibilities. The use of "tank bottom" for many years after the ban, which is quite possible given the few checks carried out. The other reason, and probably by far the most likely, is the presence of pesticide residues in the soil for many years after their use. Pesticides are very often poorly biodegradable compounds, of the semi-volatile type, which accumulate in the soil and can be re-emitted several years later, by simple volatilization when the temperatures increase in hot season.
If it is illusory to hope to clean the atmospheric air, we can however improve the quality of the air we breathe inside by taking advantage of the solutions offered by evO 2 !
For more information :
Quivet, E., Faure, R., Georges, J., Païssé, J. O., Herbreteau, B., & Lantéri, P. (2006). Photochemical degradation of imazamox in aqueous solution: influence of metal ions and anionic species on the ultraviolet photolysis. Journal of agricultural and food chemistry, 54(10), 3641-3645.