Smoke from bushfires can lead to major worsening in air quality with high levels of fine particles and lessened visibility being the major worry.
With comprehensive drought situation, this year is predicted by United Nations Environment Programme (UNEP) Finance Initiative a bad year for fires. There should be major impacts on environment of fire smoke depending on weather are expected to take place all through the summer.
Regarding to United Nations Environment Programme (UNEP) Finance Initiative
Fine particles, known as PM10 (particular matter smaller than 10 um in diameter), can impact on people's health particularly those that have existing respiratory or heart disease. The effect of particles are also mainly shown on children and the elderly.