On December 13, 2013, the streets of Paris they were as polluted as a 20-square-meter room with eight smokers. The capital was going through an episode of contamination extremely dense, due to road traffic, heating and industrial activities. At 18:6 p.m., the sky presented XNUMX million particles fine per liter of air, 30 times more than normal. The atmosphere for a Parisian was similar to that of the Smoking passive.
These unpublished data were made public on Monday, November 24, and were obtained thanks to the Paris ball, installed in the park Andre Citroën, in District 15, able to continuously measure the nanoparticles present in the air. These particles ultrafine, whose diameter is less than 0,1 microns, are extremely harmful to human health, because they penetrate deep into the lungs, enter the flow sanguine and they can reach the vessels of the heart.
Fine o ultrafine, these particles are classified since 2012 by the World Health Organization (WHO), as carcinogenic (lung, bladder). These can cause enfermedades cardiovascular and asthma. They also have an impact on births and put pregnant women at increased risk of giving birth to low birth weight children. The WHO estimates that more than 2 million people worldwide die each year from inhaling particles fine in the air, due to the contamination atmospheric world.