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

The latest data Last 7 days
Current data from stations: FR33120 FR33232
Locations: « Arrondissement de Bonneville Chamonix Les Bossons »
Pollution and air quality forecast for Chamonix. Today is Sunday, May 18, 2025. The following air pollution values have been recorded for Chamonix:
  1. nitrogen dioxide (NO2) - 55 (Moderate)
  2. ozone (O3) - 3 (Good)
  3. particulate matter (PM10) suspended dust - 11 (Good)
Real-time Air Quality Index (AQI) for Chamonix, Wednesday, January 17, 2024: 2.

air quality index: 1
AQI 2 Moderate

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

Today (Wednesday, January 17, 2024) air quality is moderate in Chamonix. Some pollutants in Chamonix may slightly affect very few hypersensitive individuals. Air pollutants in Chamonix may cause minor breathing discomfort to sensitive people.


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

How is the O3 level today in Chamonix? (ozone (O3))
3 (Good)

What is the level of PM10 today in Chamonix? (particulate matter (PM10) suspended dust)
The current level of particulate matter PM10 in Chamonix is: 11 (Good) The highest PM10 values usually occur in month: 23 (January 2020). The lowest value of particulate matter PM10 pollution in Chamonix is usually recorded in: May (7.2).



Current data Wednesday, January 17, 2024, 9:00 AM

71 (Good)

NO2 55 (Moderate)

O3 3 (Good)

PM10 11 (Good)

Data on air pollution from recent days in Chamonix

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
no 33
Good		 33
Good		 41
Good		 55
Good		 45
Good		 26
Good		 33
Good		 26
Good
o3 22
Good		 6
Good		 3
Good		 5
Good		 5
Good		 16
Good		 22
Good		 8
Good
pm10 15
Good		 19
Good		 26
Moderate		 25
Moderate		 24
Moderate		 17
Good		 15
Good		 9
Good
no2 31
Good		 34
Good		 36
Good		 47
Moderate		 56
Moderate		 37
Good		 43
Moderate		 28
Good
data source »

Air pollution in Chamonix from September 2017 to May 2020

index 2020-05 2020-04 2020-03 2020-02 2020-01 2019-12 2019-11 2019-10 2019-09 2019-08 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 7.2 (Good) 13 (Good) 14 (Good) 17 (Good) 23 (Moderate) 16 (Good) 13 (Good) 11 (Good) 12 (Good) 13 (Good) 15 (Good) 16 (Good) 15 (Good) 15 (Good) 11 (Good) 12 (Good) 14 (Good) 20 (Moderate) 16 (Good) 21 (Moderate) 17 (Good) 14 (Good) 14 (Good)
no2 8.4 (Good) 11 (Good) 19 (Good) 40 (Good) 57 (Moderate) 44 (Moderate) 31 (Good) 22 (Good) 19 (Good) 22 (Good) 25 (Good) 24 (Good) 27 (Good) 19 (Good) 21 (Good) 27 (Good) 40 (Moderate) 41 (Moderate) 50 (Moderate) 61 (Moderate) 41 (Moderate) 30 (Good) 28 (Good)
o3 44 (Good) 56 (Good) 42 (Good) 28 (Good) 12 (Good) 22 (Good) 24 (Good) 27 (Good) 38 (Good) 40 (Good) 46 (Good) 55 (Good) 74 (Moderate) 70 (Good) 71 (Moderate) 85 (Moderate) 55 (Good) 41 (Good) 28 (Good) 16 (Good) 23 (Good) 27 (Good) 31 (Good)
data source »

FR33120

Wednesday, January 17, 2024, 9:00 AM

33 (Good)

index_name_no

NO2 42 (Moderate)

nitrogen dioxide (NO2)

O3 3.4 (Good)

ozone (O3)

PM10 9.2 (Good)

particulate matter (PM10) suspended dust

FR33232

Wednesday, January 17, 2024, 9:00 AM

110 (Good)

index_name_no

PM10 13 (Good)

particulate matter (PM10) suspended dust

NO2 67 (Moderate)

nitrogen dioxide (NO2)

FR33120

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 11 13 7.4 28 43 32 21 15
o3 7.6 22 16 5.3 5.4 3.5 6.2 22
pm10 6.8 15 13 24 31 25 17 16
no2 23 34 30 50 43 32 31 25

FR33232

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 33 52 44 62 52 41 36 37
pm10 12 14 22 24 18 27 20 14
no 41 54 44 61 68 51 45 52

FR33120

index 2020-05 2020-04 2020-03 2020-02 2020-01 2019-12 2019-11 2019-10 2019-09 2019-08 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 5.7 13 14 18 27 17 12 10 11 11 15 13 15 14 11 14 14 18 16 22 16 15 14
no2 7.4 11 15 32 48 34 21 14 12 13 16 16 14 10 10 17 28 32 37 48 30 22 18
o3 44 56 42 28 12 22 24 27 38 40 46 55 74 70 71 85 55 41 28 16 23 27 31

FR33232

index 2020-05 2020-04 2020-03 2020-02 2020-01 2019-12 2019-11 2019-10 2019-09 2019-08 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 8.7 14 13 16 20 14 14 12 13 16 - 19 16 15 12 11 13 22 16 20 19 14 14
no2 9.4 11 23 47 65 54 42 31 26 31 33 33 40 28 32 38 52 50 63 73 51 38 39

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