Air quality by city — Atmy
Cities with readings from at least three sensors passing validation at snapshot preparation. These are dated observations, not continuously updated values.
Data snapshot:
- Hamburg, Germany — 180 sensors
- Vienna, Austria — 70 sensors
- Krasnoyarsk, Russia — 32 sensors
- Dublin, Ireland — 24 sensors
- Bucharest, Romania — 17 sensors
- Saint Petersburg, Russia — 3 sensors
- Belgrade, Serbia — 3 sensors
- Sofia, Bulgaria — 275 sensors
- Stuttgart, Germany — 226 sensors
- Berlin, Germany — 194 sensors
- Munich, Germany — 155 sensors
- Warsaw, Poland — 113 sensors
- Cologne, Germany — 102 sensors
- Brussels, Belgium — 102 sensors
- Groningen, Netherlands — 91 sensors
- Wrocław, Poland — 70 sensors
- Assen, Netherlands — 57 sensors
- Frankfurt, Germany — 56 sensors
- Lelystad, Netherlands — 53 sensors
- Poznan, Poland — 51 sensors
- Leuven, Belgium — 53 sensors
- Freiburg im Breisgau, Germany — 53 sensors
- Plovdiv, Bulgaria — 47 sensors
- Ulm, Germany — 48 sensors
- Bremen, Germany — 48 sensors
- Heidelberg, Germany — 43 sensors
- Moscow, Russia — 41 sensors
- Graz, Austria — 42 sensors
- Ghent, Belgium — 42 sensors
- Prague, Czechia — 40 sensors
- Mainz, Germany — 36 sensors
- Maastricht, Belgium — 37 sensors
- Krakow, Poland — 32 sensors
- Linz, Austria — 31 sensors
- Salzburg, Austria — 30 sensors
- Leverkusen, Germany — 29 sensors
- Varna, Bulgaria — 30 sensors
- Brunswick, Germany — 30 sensors
- Skopje, North Macedonia — 25 sensors