What is happening now
Air quality overview
See at a glance where the highest reading is right now, when the network last updated, and how air quality looks across Madrid.
Highest reading now
Collado Villalba
Latest update
28/09/2026, 02:00
Pollutant coverage
12
NO₂ · O₃ · PM10 · PM25 · SO₂ · CO
Stations online
28
over 12h old
Latest available observations
NO₂ · latest readings
| Station | Pollutant | Value | Measured at |
|---|---|---|---|
| Collado Villalba | NO2 | 27µg/m³low | 28/09/2026, 02:00 |
| Alcobendas | NO2 | 9µg/m³low | 28/09/2026, 02:00 |
| Colmenar Viejo | NO2 | 9µg/m³low | 28/09/2026, 02:00 |
| Getafe | NO2 | 6µg/m³low | 28/09/2026, 02:00 |
| Pozuelo de Alarcón | NO2 | 6µg/m³low | 28/09/2026, 02:00 |
| San Sebastián de los Reyes | NO2 | 6µg/m³low | 28/09/2026, 02:00 |
| Guadalix de la Sierra | NO2 | 5µg/m³low | 28/09/2026, 02:00 |
| Móstoles | NO2 | 5µg/m³low | 28/09/2026, 02:00 |
NO₂ · last 24 h
Collado Villalba
Main indicator
NO2
Network average · 4.5 µg/m³
28 active stations
Next hours
See how NO₂ may change over the next hours and compare it with the latest observed reading.
28 stations · 24 horizons
generated: 14/05/2026, 01:13
Open predictions →How to read this page
Check the value first, then the time
If the value worries you, check when the network last updated and then open the map or the forecast. The technical detail stays separate in the guide.
Guide →