Germany City AQI Comparison
Rank cities side by side using OpenAQ PM2.5 and PM10 history normalized to US EPA AQI. This pilot covers 297 eligible cities with OpenAQ-derived daily AQI history.
Compare two cities
vs
Featured comparisons
Pößneck vs Uslar→
Highest vs cleanest city
AQI gap 6842 / 317 days
Pößneck vs Bad Vilbel→
Highest-AQI pair
AQI gap 742 / 116 days
Pößneck vs Lübbenau/Spreewald→
High vs mid-range city
AQI gap 4042 / 323 days
Bad Vilbel vs Uslar→
Second-highest vs cleanest city
AQI gap 61116 / 317 days
Nieder-Olm vs Ilsenburg→
High vs low-AQI city
AQI gap 5676 / 317 days
Bad Vilbel vs Ilsenburg→
High vs low-AQI city
AQI gap 61116 / 317 days
Bad Vilbel vs Nieder-Olm→
Similar high-AQI cities
AQI gap 5116 / 76 days
Nieder-Olm vs Duderstadt→
High vs low-AQI city
AQI gap 5576 / 319 days
Nieder-Olm vs Hirschaid→
Similar high-AQI cities
AQI gap 476 / 269 days
Hirschaid vs Kulmbach→
High vs low-AQI city
AQI gap 51269 / 326 days
Hirschaid vs Norderstedt→
Similar high-AQI cities
AQI gap 3269 / 38 days
Norderstedt vs Lüneburg→
High vs low-AQI city
AQI gap 4738 / 315 days
Methodology
The extractor maps OpenAQ monitoring locations to the nearest AQI Now city in the same country, aggregates PM2.5 and PM10 to daily city averages, and converts those concentrations to US EPA AQI. Country tool pages use only city summaries that satisfy the configured minimum daily coverage threshold.