Air Quality Index (AQI) in Portugal 🇵🇹
Live Air Quality Index (AQI) and PM2.5 Levels in Portugal
Currently, the Air Quality Index (AQI) in Lisbon, the capital of Portugal, is measured at a score of 31. According to the US EPA health standard, this air quality rating is categorized as Good. The current atmosphere in Lisbon is influenced by a PM2.5 (fine particulate matter) concentration of 5.6 µg/m³ and PM10 levels recorded at 12.0 µg/m³. Monitoring of gaseous pollutants shows Nitrogen Dioxide (NO2) at 7.7 µg/m³.
Beyond the primary urban hubs, atmospheric conditions and smog levels fluctuate across Portugal based on industrial output, traffic density, and local weather patterns. Real-time pollution data and respiratory health alerts are also being actively monitored in cities like Oporto, Amadora, Braga, Setúbal and Coímbra. Tracking these air quality metrics is essential for residents nationwide to manage outdoor exposure and maintain respiratory safety during periods of increased particulate concentration.
Portugal Air Quality: Major Cities Index
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Pollution Monitor & AQI Forecast: Portugal Regions
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* Air Quality Index (AQI) data for Portugal is calculated using the US EPA standard. Information is processed from multiple monitoring stations detecting PM2.5, PM10, and gaseous pollutants to ensure accuracy for respiratory health planning.
Frequently Asked Questions about Air Quality in Portugal
What is the air quality in Portugal right now?
The current AQI in Lisbon (capital of Portugal) is 31 — categorised as Good. Conditions vary across the country — see AQI for all cities for a complete picture.
Which city in Portugal has the worst air quality right now?
Right now, Braga has the highest AQI reading in Portugal at 73 (Moderate).
Which city in Portugal has the best air quality right now?
Funchal currently has the lowest AQI in Portugal at 28 (Good).
What is the PM2.5 level in Lisbon today?
Is the air in Portugal safe to breathe today?
Most cities in Portugal currently report acceptable air-quality levels, though local conditions vary.
What are the cleanest cities in Portugal right now?
Top 5 cities in Portugal with the best (lowest) AQI right now:
- Funchal: AQI 28 — Good
- Lisbon: AQI 31 — Good
- Évora: AQI 32 — Good
- Figueira da Foz: AQI 33 — Good
- Monsanto: AQI 34 — Good
What are the most polluted cities in Portugal right now?
Top 5 cities in Portugal with the worst (highest) AQI right now:
- Braga: AQI 73 — Moderate
- Guimarães: AQI 71 — Moderate
- Felgueiras: AQI 60 — Moderate
- Aveiro: AQI 57 — Moderate
- Coímbra: AQI 56 — Moderate
Air Quality Scales & Resources
Wondering what these AQI numbers mean for your health? Our worldwide air quality guide explains every level of the AQI, PM2.5, PM10, ozone, NO2, CO and SO2 scales, with practical health advice for each range.
→ Understanding Air Quality Levels: read the full guide