Using data from Copernicus Sentinel-5P, the image shows the difference in carbon monoxide in the air between July 2019 and August 2019 over the Amazon. This pollutant is often associated with traffic, but here we see the increase in atmospheric concentrations following the fires. Naturally, once in the air, it can cause problems for humans by reducing the amount of oxygen that can be transported in the bloodstream.
Read full story: Monitoring air pollution from fires