Spain City AQI Comparison
Rank cities side by side using OpenAQ PM2.5 and PM10 history normalized to US EPA AQI. This pilot covers 253 eligible cities with OpenAQ-derived daily AQI history.
Compare two cities
vs
Featured comparisons
Ourense vs Pamplona→
Highest vs cleanest city
AQI gap 49350 / 351 days
Ourense vs Manlleu→
Highest-AQI pair
AQI gap 3350 / 327 days
Ourense vs Andoain→
High vs mid-range city
AQI gap 21350 / 275 days
Manlleu vs Pamplona→
Second-highest vs cleanest city
AQI gap 46327 / 351 days
Güimar vs Soria→
High vs low-AQI city
AQI gap 44284 / 306 days
Manlleu vs Soria→
High vs low-AQI city
AQI gap 44327 / 306 days
Manlleu vs Güimar→
Similar high-AQI cities
AQI gap 0327 / 284 days
Güimar vs Aranda de Duero→
High vs low-AQI city
AQI gap 43284 / 310 days
Güimar vs Murcia→
Similar high-AQI cities
AQI gap 0284 / 333 days
Murcia vs Alcañiz→
High vs low-AQI city
AQI gap 43333 / 315 days
Murcia vs Sevilla→
Similar high-AQI cities
AQI gap 0333 / 312 days
Sevilla vs Alicante→
High vs low-AQI city
AQI gap 43312 / 298 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.