Air Quality Lab — Kuala Lumpur, Malaysia
Air Quality Profile
Kuala Lumpur reports an annual PM2.5 of 23.8 µg/m³. That's meaningfully above the WHO 2021 guideline of 5 µg/m³ yet within the EU annual limit of 25 µg/m³.
Kuala Lumpur
Malaysia
MalaysiaAnnual Average
ModerateWHO annual classification
23.8µg/m³
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
PM2.5
1919 µg/m³ — Moderate
2626 µg/m³ — Poor
2323 µg/m³ — Moderate
2727 µg/m³ — Poor
2626 µg/m³ — Poor
2222 µg/m³ — Moderate
2626 µg/m³ — Poor
2525 µg/m³ — Poor
2828 µg/m³ — Poor
2424 µg/m³ — Moderate
2222 µg/m³ — Moderate
1919 µg/m³ — Moderate
Jan
Feb
Mar
Apr
May
Jun
1919 µg/m³ — Moderate
2626 µg/m³ — Poor
2323 µg/m³ — Moderate
2727 µg/m³ — Poor
2626 µg/m³ — Poor
2222 µg/m³ — Moderate
Jul
Aug
Sep
Oct
Nov
Dec
2626 µg/m³ — Poor
2525 µg/m³ — Poor
2828 µg/m³ — Poor
2424 µg/m³ — Moderate
2222 µg/m³ — Moderate
1919 µg/m³ — Moderate
Best months: Jan, Nov–DecWorst months: Apr, Jul, Sep
Moderate15–25 µg/m³Poor25–35 µg/m³
Based on WUSTL PM2.5 dataset (2020–2024) · WHO 2021 thresholds
Confidence: ●●●
How air quality compares
Compared across Malaysia
Kuala Lumpur: 23.8 µg/m³. Typical range in Malaysia: 13.0–18.2 µg/m³. Low anchor: Beluru, 8.2 µg/m³. High anchor: Bukit Mertajam, 24.5 µg/m³.
233 cities tracked