Air Quality Lab — Johor Bahru, Malaysia
Air Quality Profile
Johor Bahru reports an annual PM2.5 of 13.1 µg/m³. That's roughly double the WHO 2021 guideline but still far below the EU annual limit of 25 µg/m³.
Johor Bahru
Malaysia
MalaysiaAnnual Average
FairWHO annual classification
13.1µg/m³
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
PM2.5
1414 µg/m³ — Fair
1616 µg/m³ — Moderate
1414 µg/m³ — Fair
1717 µg/m³ — Moderate
1414 µg/m³ — Fair
9.89.8 µg/m³ — Good
9.09.0 µg/m³ — Good
1212 µg/m³ — Fair
1111 µg/m³ — Fair
1515 µg/m³ — Moderate
1212 µg/m³ — Fair
1414 µg/m³ — Fair
Jan
Feb
Mar
Apr
May
Jun
1414 µg/m³ — Fair
1616 µg/m³ — Moderate
1414 µg/m³ — Fair
1717 µg/m³ — Moderate
1414 µg/m³ — Fair
9.89.8 µg/m³ — Good
Jul
Aug
Sep
Oct
Nov
Dec
9.09.0 µg/m³ — Good
1212 µg/m³ — Fair
1111 µg/m³ — Fair
1515 µg/m³ — Moderate
1212 µg/m³ — Fair
1414 µg/m³ — Fair
Best months: Jun–Jul, SepWorst months: Feb, Apr, Oct
Good5–10 µg/m³Fair10–15 µg/m³Moderate15–25 µg/m³
Based on WUSTL PM2.5 dataset (2020–2024) · WHO 2021 thresholds
Confidence: ●●●
How air quality compares
Compared across Malaysia
Johor Bahru: 13.1 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