Air Quality Lab — Buco Zau, Angola
Air Quality Profile·
Buco Zau reports an annual PM2.5 of 22.8 µg/m³. That's meaningfully above the WHO 2021 guideline of 5 µg/m³ yet within the EU annual limit of 25 µg/m³.
Buco Zau
Angola
AngolaAnnual Average
ModerateWHO annual classification
22.8µg/m³
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
PM2.5
1616 µg/m³ — Moderate
1717 µg/m³ — Moderate
1717 µg/m³ — Moderate
1818 µg/m³ — Moderate
2828 µg/m³ — Poor
4040 µg/m³ — Unhealthy
4444 µg/m³ — Unhealthy
3636 µg/m³ — Unhealthy
2020 µg/m³ — Moderate
1616 µg/m³ — Moderate
1313 µg/m³ — Fair
1010 µg/m³ — Fair
Jan
Feb
Mar
Apr
May
Jun
1616 µg/m³ — Moderate
1717 µg/m³ — Moderate
1717 µg/m³ — Moderate
1818 µg/m³ — Moderate
2828 µg/m³ — Poor
4040 µg/m³ — Unhealthy
Jul
Aug
Sep
Oct
Nov
Dec
4444 µg/m³ — Unhealthy
3636 µg/m³ — Unhealthy
2020 µg/m³ — Moderate
1616 µg/m³ — Moderate
1313 µg/m³ — Fair
1010 µg/m³ — Fair
Best months: Jan, Nov–DecWorst months: Jun–Aug
Fair10–15 µg/m³Moderate15–25 µg/m³Poor25–35 µg/m³Unhealthy35–50 µg/m³
Based on WUSTL PM2.5 dataset (2020–2024) · WHO 2021 thresholds
Confidence: ●●●
How air quality compares
Compared across Angola
Buco Zau: 22.8 µg/m³. Typical range in Angola: 16.9–22.8 µg/m³. Low anchor: Lubango, 12.5 µg/m³. High anchor: Dundo, 34.0 µg/m³.
94 cities tracked