Air Pollution in Rennes: Real-time Air Quality Index and smog alert.

The latest data Last 7 days Rennes pollution September 2017 - May 2020 Quality of life
Current data from stations: Rennes Laennec FR19007 FR19010 FR19017
Locations: « Arrondissement de Rennes Rennes
Pollution and air quality forecast for Rennes. Today is Friday, May 2, 2025. The following air pollution values have been recorded for Rennes:
  1. particulate matter (PM2.5) dust - 8 (Good)
  2. particulate matter (PM10) suspended dust - 10 (Good)
  3. nitrogen dioxide (NO2) - 43 (Moderate)
  4. ozone (O3) - 45 (Good)
Real-time Air Quality Index (AQI) for Rennes, Wednesday, December 14, 2022: 2.

air quality index: 1
AQI 2 Moderate

What is the air quality in Rennes today? Is the air polluted in Rennes?. Is there smog?

Today (Wednesday, December 14, 2022) air quality is moderate in Rennes. Some pollutants in Rennes may slightly affect very few hypersensitive individuals. Air pollutants in Rennes may cause minor breathing discomfort to sensitive people.


What is the current level of PM2.5 in Rennes? (particulate matter (PM2.5) dust)
Today's PM2.5 level is: 8 (Good) For comparison, the highest level of PM2.5 in Rennes in the last 7 days was: 30 (Wednesday, January 10, 2024) and the lowest: 6 (Wednesday, January 17, 2024). The highest PM2.5 values were recorded: 22 (February 2019). The lowest level of particulate matter PM2.5 pollution occurs in month: June (5.3).

What is the level of PM10 today in Rennes? (particulate matter (PM10) suspended dust)
The current level of particulate matter PM10 in Rennes is: 10 (Good) The highest PM10 values usually occur in month: 28 (February 2019). The lowest value of particulate matter PM10 pollution in Rennes is usually recorded in: June (11).

How high is the level of NO2? (nitrogen dioxide (NO2))
43 (Moderate)

How is the O3 level today in Rennes? (ozone (O3))
45 (Good)



Current data Wednesday, December 14, 2022, 2:00 PM

PM2,5 8 (Good)

PM10 10 (Good)

NO2 43 (Moderate)

154 (Good)

O3 45 (Good)

Data on air pollution from recent days in Rennes

index 2024-01-10 2024-01-11 2024-01-12 2024-01-13 2024-01-14 2024-01-15 2024-01-16 2024-01-17 2022-11-02 2022-11-03 2022-11-04 2022-11-05 2022-11-06 2022-11-07 2022-11-08 2022-11-09 2022-12-14
no 18
Good		 15
Good		 14
Good		 9
Good		 16
Good		 21
Good		 21
Good		 28
Good		 -
Good		 -
Good		 -
Good		 -
Good		 -
Good		 -
Good		 -
Good		 -
Good		 -
Good
pm25 30
Moderate		 27
Moderate		 9
Good		 18
Moderate		 26
Moderate		 17
Moderate		 16
Moderate		 6
Good		 -
Good		 -
Good		 -
Good		 -
Good		 -
Good		 -
Good		 -
Good		 -
Good		 12
Good
pm10 33
Moderate		 32
Moderate		 11
Good		 19
Good		 29
Moderate		 22
Moderate		 22
Moderate		 6
Good		 -
Good		 -
Good		 -
Good		 -
Good		 -
Good		 -
Good		 -
Good		 -
Good		 13
Good
no2 24
Good		 26
Good		 28
Good		 18
Good		 24
Good		 34
Good		 34
Good		 20
Good		 17
Good		 11
Good		 9
Good		 15
Good		 6
Good		 10
Good		 10
Good		 7
Good		 -
Good
o3 -
Good		 -
Good		 -
Good		 -
Good		 -
Good		 -
Good		 -
Good		 -
Good		 46
Good		 58
Good		 57
Good		 41
Good		 62
Good		 67
Good		 64
Good		 56
Good		 -
Good
data source »
Air pollution in Rennes from September 2017 to May 2020
pollution pm25 hikersbay.com
index 2020-05 2020-04 2020-03 2020-02 2020-01 2019-12 2019-11 2019-10 2019-09 2019-08 2019-07 2019-06 2019-05 2019-04 2019-03 2019-02 2019-01 2018-12 2018-11 2018-10 2018-09 2018-08 2018-07 2018-06 2018-05 2018-04 2018-03 2018-02 2018-01 2017-12 2017-11 2017-10 2017-09
pm10 14 (Good) 21 (Moderate) 19 (Good) 16 (Good) 17 (Good) 17 (Good) 14 (Good) 13 (Good) 16 (Good) 14 (Good) 12 (Good) 11 (Good) 12 (Good) 19 (Good) 18 (Good) 28 (Moderate) 18 (Good) 17 (Good) 15 (Good) 13 (Good) - (Good) - (Good) - (Good) - (Good) - (Good) - (Good) - (Good) - (Good) - (Good) - (Good) 23 (Moderate) 20 (Good) 17 (Good)
pm25 8.1 (Good) 14 (Moderate) 12 (Good) 7.2 (Good) 11 (Good) 11 (Good) 9 (Good) 6.3 (Good) 5.8 (Good) 6.5 (Good) 5.5 (Good) 5.3 (Good) 7.1 (Good) 14 (Moderate) 12 (Good) 22 (Moderate) 13 (Good) 12 (Good) 14 (Moderate) 11 (Good) 11 (Good) 7.5 (Good) 8.8 (Good) 9 (Good) 13 (Good) 12 (Good) 9.7 (Good) 11 (Good) 7.7 (Good) 13 (Good) 13 (Moderate) 9.8 (Good) 9.1 (Good)
no2 7.6 (Good) 10 (Good) 16 (Good) 20 (Good) 27 (Good) 25 (Good) 25 (Good) 17 (Good) 15 (Good) 14 (Good) 17 (Good) 17 (Good) 19 (Good) 20 (Good) 23 (Good) 31 (Good) 31 (Good) 23 (Good) 27 (Good) 27 (Good) 23 (Good) 16 (Good) 18 (Good) 19 (Good) 19 (Good) 22 (Good) 26 (Good) 31 (Good) 26 (Good) 35 (Good) 31 (Good) 24 (Good) 25 (Good)
o3 64 (Good) 74 (Moderate) 65 (Good) 61 (Good) 43 (Good) 41 (Good) 35 (Good) 41 (Good) 50 (Good) 58 (Good) 67 (Good) 69 (Good) 67 (Good) 63 (Good) 60 (Good) 31 (Good) 36 (Good) 38 (Good) 31 (Good) 42 (Good) 56 (Good) 55 (Good) 70 (Good) 60 (Good) 75 (Moderate) 63 (Good) 51 (Good) 39 (Good) 48 (Good) 33 (Good) 29 (Good) 33 (Good) 35 (Good)
data source »

Quality of life in Rennes

Green and Parks in the City

Rennes 59%

Andorra: 69% Switzerland: 76% Luxembourg: 83% Belgium: 64% Liechtenstein: 88%

particulate matter PM2.5

Rennes 11 (Good)

Pleasure of spending time in the city

Rennes 70%

Andorra: 84% Switzerland: 84% Luxembourg: 85% Belgium: 64% Liechtenstein: 94%

particulate matter PM10

Rennes 21 (Moderate)

Air Pollution

Rennes 40%

Andorra: 29% Switzerland: 20% Luxembourg: 19% Belgium: 45% Liechtenstein: 6.3%

Garbage Disposal

Rennes 67%

Andorra: 89% Switzerland: 82% Luxembourg: 84% Belgium: 54% Liechtenstein: 100%

Availability and quality of drinking water

Rennes 75%

Andorra: 100% Switzerland: 90% Luxembourg: 83% Belgium: 70% Liechtenstein: 100%

Cleanliness and tidiness

Rennes 53%

Andorra: 75% Switzerland: 82% Luxembourg: 82% Belgium: 46% Liechtenstein: 94%

Noise and Light pollution

Rennes 56%

Andorra: 29% Switzerland: 38% Luxembourg: 29% Belgium: 54% Liechtenstein: 19%

Water Pollution

Rennes 43%

Andorra: 19% Switzerland: 19% Luxembourg: 19% Belgium: 42% Liechtenstein: 0%
Source: Numbeo


Rennes Laennec

Wednesday, January 17, 2024, 9:00 AM

PM2,5 5.8 (Good)

particulate matter (PM2.5) dust

PM10 8.4 (Good)

particulate matter (PM10) suspended dust

NO2 50 (Moderate)

nitrogen dioxide (NO2)

121 (Good)

index_name_no

FR19007

Wednesday, January 17, 2024, 9:00 AM

NO2 62 (Moderate)

nitrogen dioxide (NO2)

187 (Good)

index_name_no

FR19010

Wednesday, November 9, 2022, 7:00 AM

NO2 17 (Good)

nitrogen dioxide (NO2)

O3 45 (Good)

ozone (O3)

FR19017

Wednesday, December 14, 2022, 2:00 PM

PM2,5 11 (Good)

particulate matter (PM2.5) dust

PM10 12 (Good)

particulate matter (PM10) suspended dust

Rennes Laennec

index 2024-01-17 2024-01-16 2024-01-15 2024-01-14 2024-01-13 2024-01-12 2024-01-11 2024-01-10
no 20 15 17 17 1.9 4.3 11 9.3
pm25 5.8 16 17 26 18 9 27 30
pm10 6.4 22 22 29 19 11 32 33
no2 17 28 29 22 8.7 15 23 19

FR19007

index 2024-01-17 2024-01-16 2024-01-15 2024-01-14 2024-01-13 2024-01-12 2024-01-11 2024-01-10
no2 23 39 39 27 27 41 29 29
no 36 27 25 16 15 23 19 27

FR19010

index 2022-11-09 2022-11-08 2022-11-07 2022-11-06 2022-11-05 2022-11-04 2022-11-03 2022-11-02
o3 56 64 67 62 41 57 58 46
no2 7.4 10 10 6.2 15 9.3 11 17

FR19017

index 2022-12-14
pm25 12
pm10 13

FR19002

2017-09   2020-05
pollution pm25 hikersbay.com
index 2020-05 2020-04 2020-03 2020-02 2020-01 2019-12 2019-11 2019-10 2019-09 2019-08 2019-07 2019-06 2019-05 2019-04 2019-03 2019-02 2019-01 2018-12 2018-11 2018-10 2018-09 2018-08 2018-07 2018-06 2018-05 2018-04 2018-03 2018-02 2018-01 2017-12 2017-11 2017-10 2017-09
pm25 6.5 13 12 7 11 11 9.6 6 5.9 6.2 6.8 6.6 8.4 14 12 24 - - - - 12 8.2 11 11 15 15 12 12 9.5 13 13 9.8 9.1
pm10 13 21 20 18 19 19 16 16 17 15 18 15 14 19 20 31 19 17 - - - - - - - - - - - - 23 20 17
no2 7.3 9.3 15 19 25 22 24 20 16 12 14 15 16 15 19 35 34 22 23 24 22 14 17 18 20 20 21 30 24 32 31 25 31

FR19007

index 2020-05 2020-04 2020-03 2020-02 2020-01 2019-12 2019-11 2019-10 2019-09 2019-08 2019-07 2019-06 2019-05 2019-04 2019-03 2019-02 2019-01 2018-12 2018-11 2018-10 2018-09 2018-08 2018-07 2018-06 2018-05 2018-04 2018-03 2018-02 2018-01 2017-12 2017-11 2017-10 2017-09
no2 8.8 13 20 26 34 33 32 17 21 21 28 27 29 29 32 25 33 25 33 38 32 23 26 30 28 31 38 42 37 46 42 32 30

FR19010

index 2020-05 2020-04 2020-03 2020-02 2020-01 2019-12 2019-11 2019-10 2019-09 2019-08 2019-07 2019-06 2019-05 2019-04 2019-03 2019-02 2019-01 2018-12 2018-11 2018-10 2018-09 2018-08 2018-07 2018-06 2018-05 2018-04 2018-03 2018-02 2018-01 2017-12 2017-11 2017-10 2017-09
no2 6.6 7.9 13 15 22 19 20 14 9.7 7.8 8.1 9.5 11 16 16 33 26 21 24 20 15 11 11 10 11 16 19 22 17 26 21 15 13
o3 64 74 65 61 43 41 35 41 50 58 67 69 67 63 60 31 36 38 31 42 56 55 70 60 75 63 51 39 48 33 29 33 35

FR19017

2018-01   2020-05
pollution pm25 hikersbay.com
index 2020-05 2020-04 2020-03 2020-02 2020-01 2019-12 2019-11 2019-10 2019-09 2019-08 2019-07 2019-06 2019-05 2019-04 2019-03 2019-02 2019-01 2018-12 2018-11 2018-10 2018-09 2018-08 2018-07 2018-06 2018-05 2018-04 2018-03 2018-02 2018-01
pm25 9.7 15 13 7.3 11 11 8.4 6.6 5.6 6.8 4.3 3.9 5.8 14 11 19 13 12 14 11 9.3 6.9 6.9 6.5 11 9.3 7.3 9.6 5.9
pm10 15 21 18 14 15 15 12 11 15 13 7.3 6.1 8.8 19 16 26 17 17 15 13 - - - - - - - - -

* Pollution data source: https://openaq.org (EEA France) The data is licensed under CC-By 4.0