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Air quality, pollen & UV in Rennes

Updated 11 Oct, 06:01 GMT

Rennes has fair air quality today (European AQI 25), with all monitored pollen types low or absent and the UV index peaking at 2 (low). The day stays dry: temperatures rise from 10°C at 09:00 to 17°C at 16:00, with light wind from the south (6 km/h) and 87% humidity.

With an air quality index of 25, Rennes today sits around the average for France (25). Of the 55 cities we track in France, Rennes ranks 31 for the cleanest air. Right now the index is driven mainly by PM10 (18 µg/m³). Pollen counts are low across the board right now.

European AQI
25Fair
UV index · max today
2Low
Pollutant breakdownDetails
PM2.5
7.5 µg/m³
PM10
18 µg/m³
NO₂
8.3 µg/m³
Ozone
27 µg/m³
Saharan dust
0 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

Air quality stays steady all day - no standout window.

Who should take care today

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

How affected are you in Rennes 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

000011122210006070809101112131415161718

Sun protection

🧴
Sunscreen
Not needed
🕶️
Sunglasses
Not needed
⏱️
Burn time
Low risk
⛱️
Seek shade
Not needed

Next days outlook

DateMax AQIMax UV
11 Oct27 Fair2 Low
12 Oct26 Fair1 Low
13 Oct25 Fair2 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.

Rennes air quality, pollen & UV - FAQ

Is the air quality in Rennes good right now?
Rennes has fair air quality today (European AQI 25), with all monitored pollen types low or absent and the UV index peaking at 2 (low). The day stays dry: temperatures rise from 10°C at 09:00 to 17°C at 16:00, with light wind from the south (6 km/h) and 87% humidity. Air quality is acceptable for most people.
What is the pollen forecast in Rennes today?
All monitored pollen types are low or absent in Rennes right now.
How often is the Rennes air quality data updated?
Air quality and pollen for Rennes are refreshed every day from the Copernicus CAMS European model via Open-Meteo.
How strong is the UV in Rennes today?
The UV index in Rennes peaks at 2 (low) 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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