Air Quality Index (AQI) in El Salvador 🇸🇻
Live Air Quality Index (AQI) and PM2.5 Levels in El Salvador
Currently, the Air Quality Index (AQI) in San Salvador, the capital of El Salvador, is measured at a score of 77. According to the US EPA health standard, this air quality rating is categorized as Moderate. The current atmosphere in San Salvador is influenced by a PM2.5 (fine particulate matter) concentration of 22.9 µg/m³ and PM10 levels recorded at 30.4 µg/m³. Monitoring of gaseous pollutants shows Nitrogen Dioxide (NO2) at 14.5 µg/m³.
Beyond the primary urban hubs, atmospheric conditions and smog levels fluctuate across El Salvador based on industrial output, traffic density, and local weather patterns. Real-time pollution data and respiratory health alerts are also being actively monitored in cities like Soyapango, San Miguel, Santa Ana, Mejicanos and Santa Tecla. Tracking these air quality metrics is essential for residents nationwide to manage outdoor exposure and maintain respiratory safety during periods of increased particulate concentration.
El Salvador Air Quality: Major Cities Index
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* Air Quality Index (AQI) data for El Salvador is calculated using the US EPA standard. Information is processed from multiple monitoring stations detecting PM2.5, PM10, and gaseous pollutants to ensure accuracy for respiratory health planning.
Frequently Asked Questions about Air Quality in El Salvador
What is the air quality in El Salvador right now?
The current AQI in San Salvador (capital of El Salvador) is 77 — categorised as Moderate. Conditions vary across the country — see AQI for all cities for a complete picture.
Which city in El Salvador has the worst air quality right now?
Right now, San Salvador has the highest AQI reading in El Salvador at 77 (Moderate).
Which city in El Salvador has the best air quality right now?
Ahuachapán currently has the lowest AQI in El Salvador at 56 (Moderate).
What is the PM2.5 level in San Salvador today?
The PM2.5 (fine particulate) concentration in San Salvador, the capital of El Salvador, is currently 22.9 µg/m³. The WHO 24-hour guideline is 15 µg/m³.
Is the air in El Salvador safe to breathe today?
Most cities in El Salvador currently report acceptable air-quality levels, though local conditions vary.
What are the cleanest cities in El Salvador right now?
Top 5 cities in El Salvador with the best (lowest) AQI right now:
- Ahuachapán: AQI 56 — Moderate
- Sonsonate: AQI 57 — Moderate
- Acajutla: AQI 57 — Moderate
- Izalco: AQI 57 — Moderate
- Sonzacate: AQI 57 — Moderate
What are the most polluted cities in El Salvador right now?
Top 5 cities in El Salvador with the worst (highest) AQI right now:
- San Salvador: AQI 77 — Moderate
- Usulután: AQI 70 — Moderate
- Sensuntepeque: AQI 70 — Moderate
- San Rafael Oriente: AQI 70 — Moderate
- Puerto El Triunfo: AQI 70 — Moderate
Air Quality Scales & Resources
Wondering what these AQI numbers mean for your health? Our worldwide air quality guide explains every level of the AQI, PM2.5, PM10, ozone, NO2, CO and SO2 scales, with practical health advice for each range.
→ Understanding Air Quality Levels: read the full guide