Most polluted cities in Australia, February 2023

No city in Australia had measurements on 70% of the days, so February 2023 has no board for Australia.

Good0–9.0

Moderate9.1–35.4

Sensitive groups35.5–55.4

Unhealthy55.5–125.4

Very unhealthy125.5–225.4

Hazardous225.5+