And if you experience chest tightness or difficulty breathing call 000. If you’re worried about your symptoms, see your doctor or call NURSE-ON-CALL on 1300 606 024. They might experience symptoms like wheezing, coughing, tightness of the chest or difficulty breathing. This could include young children, older people, pregnant women and people with allergies, heart or lung conditions. People who are sensitive to air pollution might experience symptoms when PM2.5 levels are high. Small enough for you to breath them deeply into your lungs.
In comparison, a fine grain of sand measures about 90 micrometres across and a human hair averages a width of about 75 micrometres. A micrometre is one thousandth of a millimetre. To help you understand we mean matter that has a diameter of 2.5 micrometres or smaller. PM stands for particulate matter and the 2.5 refers to size. In Victoria sources of pollution like industry emissions, vehicle exhaust, smoke from fires and dust can impact our air.Ī key indicator of air quality is the amount of PM2.5 in the air. Polluted air can affect human health and the environment.
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