Air Quality Lab — Virei, Angola
Air Quality Profile·
Virei reports an annual PM2.5 of 10.9 µg/m³. That's roughly double the WHO 2021 guideline but still far below the EU annual limit of 25 µg/m³.
Virei
Angola
AngolaAnnual Average
FairWHO annual classification
10.9µg/m³
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
PM2.5
8.48.4 µg/m³ — Good
9.69.6 µg/m³ — Good
1212 µg/m³ — Fair
9.59.5 µg/m³ — Good
1212 µg/m³ — Fair
1111 µg/m³ — Fair
1313 µg/m³ — Fair
1515 µg/m³ — Fair
1616 µg/m³ — Moderate
1010 µg/m³ — Fair
8.68.6 µg/m³ — Good
7.47.4 µg/m³ — Good
Jan
Feb
Mar
Apr
May
Jun
8.48.4 µg/m³ — Good
9.69.6 µg/m³ — Good
1212 µg/m³ — Fair
9.59.5 µg/m³ — Good
1212 µg/m³ — Fair
1111 µg/m³ — Fair
Jul
Aug
Sep
Oct
Nov
Dec
1313 µg/m³ — Fair
1515 µg/m³ — Fair
1616 µg/m³ — Moderate
1010 µg/m³ — Fair
8.68.6 µg/m³ — Good
7.47.4 µg/m³ — Good
Best months: Jan, Nov–DecWorst months: Jul–Sep
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 Angola
Virei: 10.9 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