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 | Laguna de Duero | 50 |
| 2 | Segovia | 41 |
| 3 | Villadecanes | 41 |
| 4 | Medina de Pomar | 35 |
| 5 | Ponferrada | 33 |
| 6 | Carracedelo | 31 |
| 7 | Valderas | 31 |
| 8 | Aranda de Duero | 30 |
| 9 | Soria | 30 |
| 10 | Benavente | 29 |
(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 | La Granja de San Ildefonso | 4 |
| 2 | Miranda de Ebro | 17 |
| 3 | La Robla | 24 |
| 4 | Avila | 25 |
| 5 | Leon | 25 |
| 6 | Valladolid | 25 |
| 7 | Salamanca | 26 |
| 8 | Cardenajimeno | 28 |
| 9 | Medina del Campo | 28 |
| 10 | Benavente | 29 |
(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
31 stations
- ICA-Índice Nacional de Calidad del Aire
26 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?
- Fuensaldana 53
- Laguna de Duero 50
- Segovia 41
- Villadecanes 41
- El Maillo 35
- Medina de Pomar 35
- Villamuriel de Cerrato 35
- Cubillos del Sil 34
- Ponferrada 33
- Carracedelo 31
- Soto de Cerrato 31
- Valderas 31
- Aranda de Duero 30
- Soria 30
- Benavente 29
- Guardo 29
- Zamora 29
- Cardenajimeno 28
- Medina del Campo 28
- Salamanca 26
- Avila 25
- Leon 25
- Valladolid 25
- Arroyo de la Encomienda 24
- La Robla 24
- Miranda de Ebro 17
- Camponaraya 9
- Congosto 9
- Cuadros 9
- Matallana de Torio 9
- Toreno 9
- Velilla del Rio Carrion 9
- Villalba de Guardo 9
- Villamanin 9
- Buron 8
- Muriel de la Fuente 8
- Palencia 8
- Venta de Banos 8
- Alfaraz de Sayago 7
- Burgos 7
- Penausende 7
- Aldeavieja de Tormes 6
- La Granja de San Ildefonso 4
AQI US, Metric