Air quality by country
Air quality in Tanzania today
Updated
Good: average US AQI 50 across 13 cities Worst now: Mbeya (99); cleanest: Geita (36).
Live US AQI, PM2.5 and ozone for cities across Tanzania, ranked from most polluted to cleanest.
- Average US AQI
- 50 Good
- Most polluted now
- Mbeya AQI 99
- Cleanest now
- Geita AQI 36
- Cities above 100
- 0 unhealthy for sensitive groups or worse
Air quality in Tanzania today
Right now the modelled air quality in Tanzania averages a US AQI of 50 (Good) across the 13 cities we track. By category: 9 Good, 4 Moderate (of 13).
That is 16 points better than the worldwide average of 66 across 3,556 cities.
Mbeya has the worst air at 99 with PM2.5 at 46 µg/m³, while Geita is cleanest at 36. No tracked city is above 100, the level where sensitive groups are advised to cut back outdoors.
Tanzania cities by AQI (most polluted first)
| City | Region | US AQI | Category | PM2.5 µg/m³ | Ozone µg/m³ |
|---|---|---|---|---|---|
| Mbeya | Mbeya | 99 | Moderate | 46.3 | 102 |
| Sumbawanga | Rukwa | 66 | Moderate | 12 | 80 |
| Songea | Ruvuma | 63 | Moderate | 17.8 | 80 |
| Tabora | Tabora | 52 | Moderate | 16.8 | 92 |
| Kahama | Shinyanga | 50 | Good | 10.7 | 79 |
| Dar es Salaam | Dar es Salaam Region | 45 | Good | 11.6 | 40 |
| Dodoma | Dodoma | 42 | Good | 5.7 | 63 |
| Mwanza | Mwanza | 41 | Good | 4.1 | 82 |
| Arusha | Arusha | 40 | Good | 7.4 | 38 |
| Morogoro | Morogoro | 40 | Good | 14.8 | 40 |
| Tanga | Tanga | 38 | Good | 10.7 | 39 |
| Zanzibar | Zanzibar Urban/West | 36 | Good | 9.8 | 45 |
| Geita | Geita | 36 | Good | 4.3 | 58 |
What the US AQI numbers mean
| US AQI | Category | What it means |
|---|---|---|
| 0-50 | Good | Air quality is satisfactory and poses little or no risk; a good time for outdoor activity. |
| 51-100 | Moderate | Acceptable for most people. Unusually sensitive people should consider shortening long or heavy exertion outdoors. |
| 101-150 | Unhealthy for Sensitive Groups | People with heart or lung disease, older adults, children and teens should cut back on prolonged or heavy exertion outdoors. |
| 151-200 | Unhealthy | Everyone should reduce prolonged or heavy exertion outdoors; sensitive groups should avoid it and keep windows closed. |
| 201-300 | Very Unhealthy | Health alert: everyone should avoid prolonged or heavy exertion outdoors, and sensitive groups should stay indoors. |
| 301-500 | Hazardous | Emergency conditions: everyone should avoid all outdoor physical activity and stay indoors with filtered air if possible. The scale tops out at 500; heavier dust or smoke is shown as 500. |
Modelled by CAMS (Copernicus) via Open-Meteo, refreshed twice a day; read hour by hour from the forecast.
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Data: Open-Meteo Air Quality API, Copernicus Atmosphere Monitoring Service (CAMS).