Air quality by country
Air quality in El Salvador today
Updated
Moderate: average US AQI 52 across 6 cities Worst now: San Salvador (52); cleanest: Apopa (52).
Live US AQI, PM2.5 and ozone for cities across El Salvador, ranked from most polluted to cleanest.
- Average US AQI
- 52 Moderate
- Most polluted now
- San Salvador AQI 52
- Cleanest now
- Apopa AQI 52
- Cities above 100
- 0 unhealthy for sensitive groups or worse
Air quality in El Salvador today
Right now the modelled air quality in El Salvador averages a US AQI of 52 (Moderate) across the 6 cities we track. By category: 6 Moderate (of 6).
That is 13 points better than the worldwide average of 65 across 3,909 cities.
San Salvador has the worst air at 52 with PM2.5 at 10 µg/m³, while Apopa is cleanest at 52. No tracked city is above 100, the level where sensitive groups are advised to cut back outdoors.
El Salvador cities by AQI (most polluted first)
| City | Region | US AQI | Category | PM2.5 µg/m³ | Ozone µg/m³ |
|---|---|---|---|---|---|
| San Salvador | San Salvador Department | 52 | Moderate | 10 | 72 |
| Soyapango | San Salvador Department | 52 | Moderate | 10 | 72 |
| Santa Ana, Santa Ana Department | Santa Ana Department | 52 | Moderate | 6.5 | 64 |
| Mejicanos | San Salvador Department | 52 | Moderate | 10 | 72 |
| Santa Tecla | La Libertad Department | 52 | Moderate | 10 | 72 |
| Apopa | San Salvador Department | 52 | Moderate | 10 | 72 |
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).