Air Quality Lab — Zanzibar, Tanzania
Air Quality Profile·
Zanzibar reports an annual PM2.5 of 12.7 µg/m³. That's roughly double the WHO 2021 guideline but still far below the EU annual limit of 25 µg/m³.
Zanzibar
Tanzania
TanzaniaAnnual Average
FairWHO annual classification
12.7µg/m³
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
PM2.5
1818 µg/m³ — Moderate
2020 µg/m³ — Moderate
1414 µg/m³ — Fair
8.18.1 µg/m³ — Good
9.59.5 µg/m³ — Good
1010 µg/m³ — Fair
1414 µg/m³ — Fair
1313 µg/m³ — Fair
1111 µg/m³ — Fair
1010 µg/m³ — Good
1212 µg/m³ — Fair
1313 µg/m³ — Fair
Jan
Feb
Mar
Apr
May
Jun
1818 µg/m³ — Moderate
2020 µg/m³ — Moderate
1414 µg/m³ — Fair
8.18.1 µg/m³ — Good
9.59.5 µg/m³ — Good
1010 µg/m³ — Fair
Jul
Aug
Sep
Oct
Nov
Dec
1414 µg/m³ — Fair
1313 µg/m³ — Fair
1111 µg/m³ — Fair
1010 µg/m³ — Good
1212 µg/m³ — Fair
1313 µg/m³ — Fair
Best months: Apr–May, OctWorst months: Jan–Feb, Jul
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 Tanzania
Zanzibar: 12.7 µg/m³. Typical range in Tanzania: 12.9–17.0 µg/m³. Low anchor: Lindi, 7.8 µg/m³. High anchor: Kigoma, 27.1 µg/m³.
221 cities tracked