Portugal AQI Analytics
OpenAQ-derived PM2.5 and PM10 history for 58 cities, mapped to AQI Now city pages and normalized to the US EPA AQI scale.
Search city analytics
- Cities
- 58
- Locations
- 72
- Daily rows
- 10,611
- Avg EPA AQI
- 26
with OpenAQ history
mapped monitors
2024-01-01 to 2024-12-31
8.4 ug/m3 PM2.5
Current data story
The highest average AQI in this pilot slice is Lousã, with an EPA AQI average of 64 and PM2.5 around 18.3 ug/m3. Its worst month is December.
Source: OpenAQ local parquet plus raw CSV coordinate recovery. Build 2026-05-12T00:27:56.105574+00:00.
Country average
26
US EPA scale
PM2.5 8.4 ug/m3 · PM10 18.9 ug/m3
Analytics tools
City AQI Comparison
LiveRank cities side by side using OpenAQ PM2.5 and PM10 history normalized to US EPA AQI.
58 eligible cities
Open toolSeasonal Pollution
LiveFind each city's worst and cleanest months from daily OpenAQ-derived EPA AQI.
58 eligible cities
Open toolHealth Impact
LiveTranslate PM2.5 exposure into WHO exceedance and a simple cigarette-equivalent indicator.
26 eligible cities
Open toolCities ranked by average AQI
| City | Avg AQI | PM2.5 | Worst month | Trend | Coverage |
|---|---|---|---|---|---|
| Lousã Coimbra, Portugal | 64 | 18.3 ug/m3 | December | n/a | 358 days · 1 locations |
| Lordelo do Ouro Porto, Portugal | 60 | 16.7 ug/m3 | September | n/a | 153 days · 1 locations |
| Portela Lisboa, Portugal | 49 | 11.2 ug/m3 | January | n/a | 68 days · 1 locations |
| Aldeia de Paio Pires Setúbal, Portugal | 48 | 12.0 ug/m3 | January | n/a | 69 days · 1 locations |
| Lisbon Lisbon District, Portugal | 48 | 11.5 ug/m3 | December | n/a | 198 days · 4 locations |
| Marinha Grande Leiria, Portugal | 47 | 10.9 ug/m3 | February | n/a | 77 days · 1 locations |
| Rio de Mouro Lisboa, Portugal | 47 | 10.4 ug/m3 | January | n/a | 69 days · 1 locations |
| Santo André Setúbal, Portugal | 46 | 9.5 ug/m3 | February | n/a | 265 days · 1 locations |
| Charneca Setúbal, Portugal | 44 | 10.4 ug/m3 | December | n/a | 257 days · 1 locations |
| Sines Setúbal, Portugal | 43 | 23.8 ug/m3 | July | n/a | 333 days · 2 locations |
| Lourinhã Lisboa, Portugal | 38 | 8.0 ug/m3 | February | n/a | 69 days · 1 locations |
| Ponta Delgada Azores, Portugal | 38 | 7.4 ug/m3 | November | n/a | 99 days · 1 locations |
| Porto Porto, Portugal | 37 | n/a ug/m3 | June | n/a | 266 days · 1 locations |
| Piedade Setúbal, Portugal | 34 | 6.8 ug/m3 | January | n/a | 68 days · 1 locations |
| Santiago do Cacém Setúbal, Portugal | 33 | 7.3 ug/m3 | November | n/a | 285 days · 1 locations |
| Chamusca Santarém, Portugal | 32 | 6.4 ug/m3 | February | n/a | 66 days · 1 locations |
| Pinhal Novo Setúbal, Portugal | 31 | 6.0 ug/m3 | August | n/a | 69 days · 1 locations |
| Paços de Ferreira Porto, Portugal | 28 | 7.2 ug/m3 | February | n/a | 267 days · 1 locations |
| Reguengos de Monsaraz Évora, Portugal | 27 | 5.1 ug/m3 | July | n/a | 305 days · 1 locations |
| Funchal Madeira, Portugal | 27 | 5.4 ug/m3 | December | n/a | 328 days · 2 locations |
| Portimão Faro, Portugal | 26 | n/a ug/m3 | July | n/a | 320 days · 1 locations |
| Estarreja Aveiro, Portugal | 24 | n/a ug/m3 | February | n/a | 78 days · 2 locations |
| Paredes Porto, Portugal | 24 | n/a ug/m3 | March | n/a | 49 days · 1 locations |
| Perafita Porto, Portugal | 23 | n/a ug/m3 | February | n/a | 241 days · 1 locations |
Browse Portugal city AQI analytics
LousãAQI 64Lordelo do OuroAQI 60PortelaAQI 49Aldeia de Paio PiresAQI 48LisbonAQI 48Marinha GrandeAQI 47Rio de MouroAQI 47Santo AndréAQI 46CharnecaAQI 44SinesAQI 43LourinhãAQI 38Ponta DelgadaAQI 38PortoAQI 37PiedadeAQI 34Santiago do CacémAQI 33ChamuscaAQI 32Pinhal NovoAQI 31Paços de FerreiraAQI 28Reguengos de MonsarazAQI 27FunchalAQI 27PortimãoAQI 26EstarrejaAQI 24ParedesAQI 24PerafitaAQI 23