Air quality by country
Air quality in Ecuador today
Updated
Good: average US AQI 32 across 10 cities Worst now: Loja (40); cleanest: Portoviejo (24).
Live US AQI, PM2.5 and ozone for cities across Ecuador, ranked from most polluted to cleanest.
- Average US AQI
- 32 Good
- Most polluted now
- Loja AQI 40
- Cleanest now
- Portoviejo AQI 24
- Cities above 100
- 0 unhealthy for sensitive groups or worse
Air quality in Ecuador today
Right now the modelled air quality in Ecuador averages a US AQI of 32 (Good) across the 10 cities we track. By category: 10 Good (of 10).
That is 33 points better than the worldwide average of 65 across 3,909 cities.
Loja has the worst air at 40 with PM2.5 at 7.2 µg/m³, while Portoviejo is cleanest at 24. No tracked city is above 100, the level where sensitive groups are advised to cut back outdoors.
Ecuador cities by AQI (most polluted first)
| City | Region | US AQI | Category | PM2.5 µg/m³ | Ozone µg/m³ |
|---|---|---|---|---|---|
| Loja | Loja | 40 | Good | 7.2 | 28 |
| Machala | El Oro | 38 | Good | 4.1 | 67 |
| Santa Rosa, El Oro | El Oro | 38 | Good | 3.3 | 65 |
| Quito | Pichincha | 33 | Good | 5.2 | 32 |
| Guayaquil | Guayas | 31 | Good | 2.9 | 42 |
| Eloy Alfaro | Guayas | 31 | Good | 2.9 | 42 |
| Santo Domingo de los Colorados | Santo Domingo de los Tsáchilas | 29 | Good | 2 | 49 |
| Cuenca | Azuay | 28 | Good | 5 | 27 |
| Ambato | Tungurahua Province | 27 | Good | 2.9 | 51 |
| Portoviejo | Manabí | 24 | Good | 2.7 | 35 |
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.
More
Data: Open-Meteo Air Quality API, Copernicus Atmosphere Monitoring Service (CAMS).