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Tag : Air Quality

Indoor Environmental Quality – Carbon Dioxide

What is Carbon Dioxide? Carbon Dioxide (CO2) is often used within the indoor environment as a way to determine the ventilation rate. When an indoor environment is unoccupied and there is air entering from outside the concentration of carbon dioxide will eventually reach the same as the outdoor levels.¬†When people enter the space, as a result of breathing they produce carbon dioxide (amongst other things) and over time the concentrations increase [2]. Whilst many buildings are designed to have specific […]

Environmental Quality – Particulate Matter

What is Particulate Matter? Particulate Matter, also known as PM or Particle Pollution refers to extremly small solid particles and liquid droplets which are typically suspended in air. Particulate matter can be made up of a variety of compounds from soil or dust particles through to organic chemicals, metals and other compounds[1]. The size of the particulate matter can have a significant impact on its potential to cause health problems, and this is often how it is graded; PM10 refers […]

Bushfires & Air Quality

Sadly from 2019 (mid to end) into 2020 Australia has been the midst of a Bushfire Crisis, with a significant amount of land which has been burnt by fire. Estimates have placed the size of the fire at around 10 million hectares (or 15.6 million acres) as of around Mid January 2020. These fires have also claimed the lives of up to 28 people including four firefighters. The fires have primarily been spread across New South Wales, Victoria and South […]