Air quality, pollen & UV in Porto
Porto has fair air quality today (European AQI 34), with all monitored pollen types low or absent and the UV index peaking at 4 (moderate). The day stays dry: temperatures rise from 17°C at 08:00 to 22°C at 16:00, with barely any wind and 93% humidity.
With an air quality index of 34, Porto today sits around the average for Portugal (33). Of the 10 cities we track in Portugal, Porto ranks 6 for the cleanest air. Right now the index is driven mainly by PM2.5 (12 µg/m³). Pollen counts are low across the board right now.
Pollutant breakdownDetails
Air quality today
Good to do today?
Best time to be outside
Who should take care today
No group needs special precautions today - conditions are fine for everyone.
Pollen levels right now
| Pollen | Level | Count |
|---|---|---|
| Alder | None | 0 grains/m³ |
| Birch | None | 0 grains/m³ |
| Grass | None | 0 grains/m³ |
| Mugwort | None | 0 grains/m³ |
| Olive | None | 0 grains/m³ |
| Ragweed | None | 0 grains/m³ |
Sun & UV today
UV index by hour
Sun protection
Next days outlook
| Date | Max AQI | Max UV |
|---|---|---|
| 7 Oct | 51 Moderate | 4 Moderate |
| 8 Oct | 39 Fair | 5 Moderate |
| 9 Oct | 43 Moderate | 5 Moderate |
What do these values mean?
The European Air Quality Index (EAQI) runs from good to extremely poor based on PM2.5, PM10, NO₂ and ozone. Lower is better.
Pollen is shown in grains per m³ of air and banded from none to very high. Thresholds differ per plant type and are indicative.
The UV index runs from low (0–2) to extreme (11+). From moderate (3+), wear sunscreen and seek shade around midday.
Porto air quality, pollen & UV - FAQ
- Is the air quality in Porto good right now?
- Porto has fair air quality today (European AQI 34), with all monitored pollen types low or absent and the UV index peaking at 4 (moderate). The day stays dry: temperatures rise from 17°C at 08:00 to 22°C at 16:00, with barely any wind and 93% humidity. Air quality is acceptable for most people.
- What is the pollen forecast in Porto today?
- All monitored pollen types are low or absent in Porto right now.
- How often is the Porto air quality data updated?
- Air quality and pollen for Porto are refreshed every day from the Copernicus CAMS European model via Open-Meteo.
- How strong is the UV in Porto today?
- The UV index in Porto peaks at 4 (moderate) today. From moderate (3 or higher), use sunscreen and seek shade around midday.