Get a monitor and contributor to air quality data in your city.
Air Quality 
Air Monitors
Air Purifiers
For Business
News
Support
Air quality in Castille and Leon
Air quality index (AQI) and PM2.5 air pollution in Castille and Leon
LIVE AQI CITY RANKING
Real-time Castille and Leon
Most polluted city ranking
| # | city | US AQI |
|---|---|---|
| 1 | Medina del Campo | 70 |
| 2 | Miranda de Ebro | 60 |
| 3 | Ponferrada | 60 |
| 4 | Zamora | 60 |
| 5 | Cardenajimeno | 58 |
| 6 | Guardo | 58 |
| 7 | Valderas | 58 |
| 8 | Valladolid | 58 |
| 9 | La Granja de San Ildefonso | 56 |
| 10 | Carracedelo | 55 |
(local time)
SEE WORLD AQI RANKINGAIR QUALITY DATA CONTRIBUTORS
6 Contributors
See all
LIVE AQI CITY RANKING
Real-time Castille and Leon
Cleanest city ranking
| # | city | US AQI |
|---|---|---|
| 1 | Benavente | 16 |
| 2 | Segovia | 29 |
| 3 | Leon | 33 |
| 4 | Villadecanes | 33 |
| 5 | Salamanca | 42 |
| 6 | Carracedelo | 55 |
| 7 | La Granja de San Ildefonso | 56 |
| 8 | Cardenajimeno | 58 |
| 9 | Guardo | 58 |
| 10 | Valderas | 58 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
Good
Moderate
Unhealthy for sensitive groups
Unhealthy
Very unhealthy
Hazardous
News
The latest air quality news and resources.
Castille and Leon air quality data attribution
6Contributors
- Junta de Castilla y León
27 stations
- ICA-Índice Nacional de Calidad del Aire
24 stations
2 Government Contributors
- Gabriel Pa
1 station
Educational Contributor
- 3 Anonymous contributors
3 stations
3 Anonymous Contributors
Which is the most polluted city in Castille and Leon?
- Cubillos del Sil 76
- Medina del Campo 70
- Miranda de Ebro 60
- Ponferrada 60
- Zamora 60
- Cardenajimeno 58
- Fuensaldana 58
- Guardo 58
- Valderas 58
- Valladolid 58
- La Granja de San Ildefonso 56
- Carracedelo 55
- Arroyo de la Encomienda 53
- Avila 47
- Salamanca 42
- Aranda de Duero 37
- Villamuriel de Cerrato 37
- Leon 33
- Villadecanes 33
- Laguna de Duero 32
- El Maillo 31
- Segovia 29
- Soria 28
- Soto de Cerrato 24
- Medina de Pomar 19
- Benavente 16
- La Robla 15
- Aldeavieja de Tormes 5
- Alfaraz de Sayago 5
- Burgos 5
- Buron 5
- Camponaraya 5
- Congosto 5
- Cuadros 5
- Matallana de Torio 5
- Muriel de la Fuente 5
- Palencia 5
- Penausende 5
- Toreno 5
- Velilla del Rio Carrion 5
- Venta de Banos 5
- Villalba de Guardo 5
- Villamanin 5
AQI US, Metric