Air Quality Lab — Djambala, Republic of the Congo
Air Quality Profile·
Djambala reports an annual PM2.5 of 34.2 µg/m³. That's above the EU annual limit of 25 µg/m³ — long-term exposure here carries documented health trade-offs.
Djambala
Republic of the Congo
Republic of the CongoAnnual Average
PoorWHO annual classification
34.2µg/m³
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
PM2.5
3333 µg/m³ — Poor
3636 µg/m³ — Unhealthy
3232 µg/m³ — Poor
2525 µg/m³ — Poor
3636 µg/m³ — Unhealthy
5353 µg/m³ — Very Unhealthy
4949 µg/m³ — Unhealthy
4949 µg/m³ — Unhealthy
3232 µg/m³ — Poor
1919 µg/m³ — Moderate
1717 µg/m³ — Moderate
2929 µg/m³ — Poor
Jan
Feb
Mar
Apr
May
Jun
3333 µg/m³ — Poor
3636 µg/m³ — Unhealthy
3232 µg/m³ — Poor
2525 µg/m³ — Poor
3636 µg/m³ — Unhealthy
5353 µg/m³ — Very Unhealthy
Jul
Aug
Sep
Oct
Nov
Dec
4949 µg/m³ — Unhealthy
4949 µg/m³ — Unhealthy
3232 µg/m³ — Poor
1919 µg/m³ — Moderate
1717 µg/m³ — Moderate
2929 µg/m³ — Poor
Best months: Apr, Oct–NovWorst months: Jun–Aug
Moderate15–25 µg/m³Poor25–35 µg/m³Unhealthy35–50 µg/m³Very Unhealthy50–75 µg/m³
Based on WUSTL PM2.5 dataset (2020–2024) · WHO 2021 thresholds
Confidence: ●●●
How air quality compares
Compared across Republic of the Congo
Djambala: 34.2 µg/m³. Typical range in Republic of the Congo: 28.3–36.1 µg/m³. Low anchor: Pointe-Noire, 19.5 µg/m³. High anchor: Brazzaville, 39.9 µg/m³.
22 cities tracked