1.
https://earthobservatory.nasa.gov/images/145464/fires-in-brazilAs of August 16, 2019, an analysis of NASA satellite data indicated that total fire activity across the Amazon basin this year has been close to the average in comparison to the past 15 years. (The Amazon spreads across Brazil, Peru, Colombia, and parts of other countries.)
Though activity appears to be above average in the states of Amazonas and Rondônia, it has so far appeared below average in Mato Grosso and Pará, according to estimates from the Global Fire Emissions Database, a research project that compiles and analyzes NASA data.
2. According to the BBC, the total CO2 equivalent emissions (used to measure the amount and intensity of fire activity) in Brazil were actually
higher in 2003, 2004, 2005 and 2007 (under Lula) than in 2019.
https://www.bbc.com/news/world-latin-america-494337673. Many of the photos being shared by Bolsonaro opponents, including the one in
this tweet by Emmanuel Macron, were either taken before Bolsonaro took office or not even taken in Brazil at all.
4. Bolsonaro has just authorized the military to go in and fight the fires.