Australia: Air
Air Quality Index – AQI: 24 – Good
(Average Score Mid-2022)
- Global ranking – 2021: #11 least polluted nation of 117 monitored.
(Based on 2021 AQI of 23.) - Most polluted city – 2021: Armidale, New South Wales| AQI = 47.
- Least polluted city – 2021: St. Helens, Tasmania | AQI = 8 – Very Good.
- Leading pollutants and sources: Particulate matter and gases from both human-made and naturally occurring sources including transportation, industry, commercial activities, soil dust (dust storms), brush fires and ocean spray. Particulate matter and gases from vehicles and industry are the leading air pollutants. Domestic wood burning poses a significant air pollution hazard in the winter months.
View Australia’s current air quality here