Air Quality Lab — Semarang, Indonesia
Air Quality Profile·
Semarang reports an annual PM2.5 of 32.2 µg/m³. That's above the EU annual limit of 25 µg/m³ — long-term exposure here carries documented health trade-offs.
Semarang
Indonesia
IndonesiaAnnual Average
PoorWHO annual classification
32.2µg/m³
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
PM2.5
2828 µg/m³ — Poor
3333 µg/m³ — Poor
3939 µg/m³ — Unhealthy
3535 µg/m³ — Poor
3838 µg/m³ — Unhealthy
3131 µg/m³ — Poor
2828 µg/m³ — Poor
3030 µg/m³ — Poor
3232 µg/m³ — Poor
3030 µg/m³ — Poor
3232 µg/m³ — Poor
3131 µg/m³ — Poor
Jan
Feb
Mar
Apr
May
Jun
2828 µg/m³ — Poor
3333 µg/m³ — Poor
3939 µg/m³ — Unhealthy
3535 µg/m³ — Poor
3838 µg/m³ — Unhealthy
3131 µg/m³ — Poor
Jul
Aug
Sep
Oct
Nov
Dec
2828 µg/m³ — Poor
3030 µg/m³ — Poor
3232 µg/m³ — Poor
3030 µg/m³ — Poor
3232 µg/m³ — Poor
3131 µg/m³ — Poor
Best months: Jan, Jul, OctWorst months: Mar–May
Poor25–35 µg/m³Unhealthy35–50 µg/m³
Based on WUSTL PM2.5 dataset (2020–2024) · WHO 2021 thresholds
Confidence: ●●●
How air quality compares
Compared across Indonesia
Semarang: 32.2 µg/m³. Typical range in Indonesia: 12.3–18.1 µg/m³. Low anchor: Ambon, 7.9 µg/m³. High anchor: Medan, 39.4 µg/m³.
291 cities tracked