Spain AQI Analytics
OpenAQ-derived PM2.5 and PM10 history for 253 cities, mapped to AQI Now city pages and normalized to the US EPA AQI scale.
Search city analytics
- Cities
- 253
- Locations
- 724
- Daily rows
- 77,685
- Avg EPA AQI
- 31
with OpenAQ history
mapped monitors
2023-12-31 to 2025-01-01
8.7 ug/m3 PM2.5
Current data story
The highest average AQI in this pilot slice is Ourense, with an EPA AQI average of 61 and PM2.5 around 15.6 ug/m3. Its worst month is January.
Source: OpenAQ local parquet plus raw CSV coordinate recovery. Build 2026-05-12T00:27:56.105574+00:00.
Analytics tools
City AQI Comparison
LiveRank cities side by side using OpenAQ PM2.5 and PM10 history normalized to US EPA AQI.
253 eligible cities
Open toolAQI Trends
LiveCompare yearly air-quality direction, best years, worst years, and trend deltas.
3 eligible cities
Open toolSeasonal Pollution
LiveFind each city's worst and cleanest months from daily OpenAQ-derived EPA AQI.
253 eligible cities
Open toolHealth Impact
LiveTranslate PM2.5 exposure into WHO exceedance and a simple cigarette-equivalent indicator.
172 eligible cities
Open toolCities ranked by average AQI
| City | Avg AQI | PM2.5 | Worst month | Trend | Coverage |
|---|---|---|---|---|---|
| Ourense Galicia, Spain | 61 | 15.6 ug/m3 | January | n/a | 350 days · 4 locations |
| Manlleu Catalonia, Spain | 58 | 14.8 ug/m3 | January | n/a | 327 days · 1 locations |
| Güimar Canary Islands, Spain | 58 | 29.4 ug/m3 | March | n/a | 284 days · 1 locations |
| Murcia Murcia, Spain | 58 | 14.3 ug/m3 | December | n/a | 333 days · 4 locations |
| Sevilla Andalusia, Spain | 58 | 14.3 ug/m3 | December | n/a | 312 days · 2 locations |
| Bailén Andalusia, Spain | 57 | 13.8 ug/m3 | January | n/a | 313 days · 1 locations |
| Vigo Galicia, Spain | 56 | 13.1 ug/m3 | February | n/a | 348 days · 8 locations |
| Mollet Catalonia, Spain | 54 | 12.7 ug/m3 | January | n/a | 324 days · 1 locations |
| Jaén Andalusia, Spain | 52 | 12.3 ug/m3 | August | n/a | 317 days · 2 locations |
| Molina de Segura Murcia, Spain | 52 | 12.3 ug/m3 | December | n/a | 293 days · 3 locations |
| Seville Andalusia, Spain | 51 | 11.9 ug/m3 | January | n/a | 318 days · 2 locations |
| Collado-Villalba Madrid, Spain | 51 | 12.3 ug/m3 | August | n/a | 291 days · 3 locations |
| San Adrián de Besós Catalonia, Spain | 51 | 15.0 ug/m3 | January | n/a | 363 days · 5 locations |
| Manises Valencia, Spain | 51 | 11.5 ug/m3 | November | n/a | 312 days · 1 locations |
| Cartagena Murcia, Spain | 51 | 11.2 ug/m3 | August | n/a | 340 days · 4 locations |
| Lleida Catalonia, Spain | 50 | 12.1 ug/m3 | January | n/a | 329 days · 1 locations |
| La Línea de la Concepción Andalusia, Spain | 50 | 10.6 ug/m3 | November | n/a | 339 days · 3 locations |
| Parla Madrid, Spain | 50 | 11.5 ug/m3 | January | n/a | 262 days · 2 locations |
| San Roque Andalusia, Spain | 50 | 10.5 ug/m3 | February | n/a | 351 days · 7 locations |
| Cuenca Castille-La Mancha, Spain | 50 | 11.0 ug/m3 | August | n/a | 306 days · 1 locations |
| Ciudad de Melilla Melilla, Spain | 49 | 10.6 ug/m3 | November | n/a | 304 days · 5 locations |
| Alcalá de Henares Madrid, Spain | 49 | 10.7 ug/m3 | August | n/a | 278 days · 3 locations |
| Huelva Andalusia, Spain | 49 | 12.0 ug/m3 | November | n/a | 350 days · 8 locations |
| El Plan Murcia, Spain | 49 | 10.7 ug/m3 | August | n/a | 316 days · 2 locations |