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Air quality, pollen & UV in Coimbra

Updated 5 Oct, 06:01 GMT

Coimbra has fair air quality today (European AQI 22), with all monitored pollen types low or absent and the UV index peaking at 4 (moderate). The day stays rainy: temperatures rise from 15°C at 08:00 to 27°C at 16:00, with light wind from the southeast (6 km/h) and 88% humidity.

With an air quality index of 22, Coimbra today sits around the average for Portugal (26). Of the 10 cities we track in Portugal, Coimbra ranks 2 for the cleanest air. Right now the index is driven mainly by Ozone (33 µg/m³). Pollen counts are low across the board right now.

European AQI
22Fair
UV index · max today
4Moderate
Pollutant breakdownDetails
PM2.5
6 µg/m³
PM10
8.6 µg/m³
NO₂
5.4 µg/m³
Ozone
33 µg/m³
Saharan dust
1 µg/m³

Air quality today

Good to do today?

🏃
Running / sport
Fine
🪟
Windows open
Fine
🧒
Kids outside
Fine
🍽️
Outdoor dining
Fine

Best time to be outside

☀️ Cleanest air: 08:00–11:00⚠️ Most polluted: 21:00–24:00

Who should take care today

No group needs special precautions today - conditions are fine for everyone.

How affected are you in Coimbra today? Anonymous · shared with other visitors.

Pollen levels right now

PollenLevelCount
AlderNone0 grains/m³
BirchNone0 grains/m³
GrassNone0 grains/m³
MugwortNone0 grains/m³
OliveNone0 grains/m³
RagweedNone0 grains/m³

Sun & UV today

UV index by hour

000123444321006070809101112131415161718

Sun protection

🧴
Sunscreen
Recommended
🕶️
Sunglasses
Advised
⏱️
Burn time
~47 min
⛱️
Seek shade
12–16h

Next days outlook

DateMax AQIMax UV
5 Oct35 Fair4 Moderate
6 Oct41 Moderate4 Moderate
7 Oct44 Moderate3 Low
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.

GoodEAQI 0–20
FairEAQI 20–40
ModerateEAQI 40–60
PoorEAQI 60–80
Very poorEAQI 80–100
Extremely poorEAQI 100+

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.

Coimbra air quality, pollen & UV - FAQ

Is the air quality in Coimbra good right now?
Coimbra has fair air quality today (European AQI 22), with all monitored pollen types low or absent and the UV index peaking at 4 (moderate). The day stays rainy: temperatures rise from 15°C at 08:00 to 27°C at 16:00, with light wind from the southeast (6 km/h) and 88% humidity. Air quality is acceptable for most people.
What is the pollen forecast in Coimbra today?
All monitored pollen types are low or absent in Coimbra right now.
How often is the Coimbra air quality data updated?
Air quality and pollen for Coimbra are refreshed every day from the Copernicus CAMS European model via Open-Meteo.
How strong is the UV in Coimbra today?
The UV index in Coimbra peaks at 4 (moderate) today. From moderate (3 or higher), use sunscreen and seek shade around midday.
Levels are indicative, based on the Copernicus CAMS European model, and are not a medical diagnosis. If you have asthma or a severe allergy, follow your doctor’s advice.

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