Air Quality Lab — West Island, Cocos Islands
Air Quality Profile·
West Island reports an annual PM2.5 of 4.8 µg/m³. That's below the WHO 2021 annual guideline of 5 µg/m³ — cleaner than most cities on the continent.
West Island
Cocos Islands
Cocos IslandsAnnual Average
ExcellentWHO annual classification
4.8µg/m³
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
PM2.5
4.84.8 µg/m³ — Excellent
6.16.1 µg/m³ — Good
3.83.8 µg/m³ — Excellent
3.83.8 µg/m³ — Excellent
4.24.2 µg/m³ — Excellent
4.54.5 µg/m³ — Excellent
4.04.0 µg/m³ — Excellent
5.85.8 µg/m³ — Good
6.26.2 µg/m³ — Good
3.63.6 µg/m³ — Excellent
3.73.7 µg/m³ — Excellent
6.46.4 µg/m³ — Good
Jan
Feb
Mar
Apr
May
Jun
4.84.8 µg/m³ — Excellent
6.16.1 µg/m³ — Good
3.83.8 µg/m³ — Excellent
3.83.8 µg/m³ — Excellent
4.24.2 µg/m³ — Excellent
4.54.5 µg/m³ — Excellent
Jul
Aug
Sep
Oct
Nov
Dec
4.04.0 µg/m³ — Excellent
5.85.8 µg/m³ — Good
6.26.2 µg/m³ — Good
3.63.6 µg/m³ — Excellent
3.73.7 µg/m³ — Excellent
6.46.4 µg/m³ — Good
Best months: Mar, Oct–NovWorst months: Feb, Sep, 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 worldwide
West Island: 4.8 µg/m³. Typical range: 8.9–26.6 µg/m³. Low anchor: Bergen, 4.9 µg/m³. High anchor: Diepsloot, 162.1 µg/m³.
22,874 cities tracked