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 | Ponferrada | 53 |
| 2 | Avila | 40 |
| 3 | Carracedelo | 39 |
| 4 | La Granja de San Ildefonso | 39 |
| 5 | Leon | 39 |
| 6 | Miranda de Ebro | 39 |
| 7 | Cardenajimeno | 38 |
| 8 | Laguna de Duero | 38 |
| 9 | Salamanca | 38 |
| 10 | Segovia | 38 |
(local time)
SEE WORLD AQI RANKINGAIR QUALITY DATA CONTRIBUTORS
7 Contributors
See all
LIVE AQI CITY RANKING
Real-time Castille and Leon
Cleanest city ranking
| # | city | US AQI |
|---|---|---|
| 1 | Benavente | 0 |
| 2 | Villadecanes | 21 |
| 3 | Guardo | 26 |
| 4 | La Robla | 30 |
| 5 | Valderas | 34 |
| 6 | Medina de Pomar | 36 |
| 7 | Valladolid | 36 |
| 8 | Medina del Campo | 37 |
| 9 | Soria | 37 |
| 10 | Zamora | 37 |
(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
7Contributors
- Junta de Castilla y León
33 stations
- ICA-Índice Nacional de Calidad del Aire
28 stations
- Community of Madrid Air Quality
1 station
3 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?
- Ponferrada 53
- Cubillos del Sil 42
- Avila 40
- Carracedelo 39
- La Granja de San Ildefonso 39
- Leon 39
- Miranda de Ebro 39
- Villamuriel de Cerrato 39
- Aranda de Duero 38
- Cardenajimeno 38
- Fuensaldana 38
- Laguna de Duero 38
- Muriel de la Fuente 38
- Salamanca 38
- Segovia 38
- Arroyo de la Encomienda 37
- Medina del Campo 37
- Soria 37
- Zamora 37
- Medina de Pomar 36
- Soto de Cerrato 36
- Valladolid 36
- Valderas 34
- El Maillo 33
- La Robla 30
- Guardo 26
- Villadecanes 21
- Camponaraya 15
- Toreno 15
- Congosto 14
- Villamanin 13
- Buron 12
- Cuadros 12
- Matallana de Torio 12
- Velilla del Rio Carrion 11
- Villalba de Guardo 11
- Aldeavieja de Tormes 10
- Burgos 10
- Alfaraz de Sayago 9
- Palencia 9
- Penausende 9
- Venta de Banos 9
- Benavente 0
AQI US, Metric