Air Quality Index (AQI) in Andorra 🇦🇩

Live Air Quality Index (AQI) and PM2.5 Levels in Andorra

Currently, the Air Quality Index (AQI) in Andorra la Vella, the capital of Andorra, is measured at a score of 20. According to the US EPA health standard, this air quality rating is categorized as Good. The current atmosphere in Andorra la Vella is influenced by a PM2.5 (fine particulate matter) concentration of 3.6 µg/m³ and PM10 levels recorded at 5.0 µg/m³. Monitoring of gaseous pollutants shows Nitrogen Dioxide (NO2) at 1.0 µg/m³.

Beyond the primary urban hubs, atmospheric conditions and smog levels fluctuate across Andorra 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 les Escaldes and Encamp. Tracking these air quality metrics is essential for residents nationwide to manage outdoor exposure and maintain respiratory safety during periods of increased particulate concentration.

Air Quality Snapshot: Andorra Right Now

Across 3 monitored cities in Andorra, live air quality currently ranges from a low of 20 AQI in Andorra la Vella (the cleanest air right now) to a high of 21 AQI in Encamp (the most polluted). By US EPA health band, the nationwide distribution stands at 3 Good. The average fine-particulate (PM2.5) concentration across these cities is 3.6 µg/m³ — approximately 0.7 times the World Health Organization (WHO) annual air quality guideline of 5 µg/m³.

Andorra Air Quality: Major Cities Index

Andorra la Vella
1

les Escaldes
1

Encamp
1

* Air Quality Index (AQI) data for Andorra 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.

What Today's Readings Mean in Andorra

The median reading across 3 monitored cities is 20 AQI. The national spread is 1 points, from 20 in Andorra la Vella to 21 in Encamp. Average PM2.5 is 3.6 µg/m³ (0.7× the WHO annual guideline).

All monitored locations are currently in the Good range. Normal outdoor activity is appropriate for most people.

See the complete AQI and pollutant reference scales

Health & Scientific Resources

→ How to read US EPA Air Quality Index before going outside → Understanding Air Quality Index levels and what they mean → When haze forms and what it does to air quality

Air Quality in Andorra — FAQ

Common questions about AQI levels, pollutants, and data sources for Andorra.

What is the current air quality in Andorra?

Live AQI readings for 3 city(ies) across Andorra are listed above on the US EPA 0-500 scale.

Where does Andorra's AQI data come from?

Real-time readings come from ground-based monitoring stations operated by national environmental agencies in Andorra, delivered via WeatherAPI.com and aggregated using the EPA AQI formula.

What is a healthy AQI value in Andorra?

On the EPA scale used worldwide, 0-50 is Good, 51-100 is Moderate, 101-150 is Unhealthy for sensitive groups, 151-200 is Unhealthy, 201-300 is Very Unhealthy, and 301-500 is Hazardous. The WHO 24-hour PM2.5 guideline is 15 μg/m³.

Why do AQI readings vary between cities in Andorra?

Air quality is highly local — major pollution sources (traffic, industry, dust, wildfires) cluster around cities, while wind direction and topography move them around. Comparing nearby readings on this page is the best way to see how conditions change across Andorra.