Air Quality Lab — Perth, Australia
Air Quality Profile
Perth reports an annual PM2.5 of 5.9 µg/m³. That's close to the WHO 2021 annual guideline (5 µg/m³) and well inside historically healthy ranges.
Perth
Australia
AustraliaAnnual Average
GoodWHO annual classification
5.9µg/m³
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
PM2.5
7.17.1 µg/m³ — Good
6.86.8 µg/m³ — Good
6.36.3 µg/m³ — Good
5.75.7 µg/m³ — Good
5.45.4 µg/m³ — Good
5.35.3 µg/m³ — Good
4.84.8 µg/m³ — Excellent
5.45.4 µg/m³ — Good
5.35.3 µg/m³ — Good
6.06.0 µg/m³ — Good
5.45.4 µg/m³ — Good
7.07.0 µg/m³ — Good
Jan
Feb
Mar
Apr
May
Jun
7.17.1 µg/m³ — Good
6.86.8 µg/m³ — Good
6.36.3 µg/m³ — Good
5.75.7 µg/m³ — Good
5.45.4 µg/m³ — Good
5.35.3 µg/m³ — Good
Jul
Aug
Sep
Oct
Nov
Dec
4.84.8 µg/m³ — Excellent
5.45.4 µg/m³ — Good
5.35.3 µg/m³ — Good
6.06.0 µg/m³ — Good
5.45.4 µg/m³ — Good
7.07.0 µg/m³ — Good
Best months: Jun–Jul, SepWorst months: Jan–Feb, Dec
Excellent0–5 µg/m³Good5–10 µg/m³
Based on WUSTL PM2.5 dataset (2020–2024) · WHO 2021 thresholds
Confidence: ●●●
How air quality compares
Compared across Australia
Perth: 5.9 µg/m³. Typical range in Australia: 5.3–6.1 µg/m³. Low anchor: Mount Gambier, 4.2 µg/m³. High anchor: Darwin, 9.7 µg/m³.
103 cities tracked