Smog in Saint-Etienne — Live Data: AQI, Fine Dust, Wind, UV and Health Advice
- particulate matter (PM2.5) dust - 7 (Good)
- particulate matter (PM10) suspended dust - 27 (Moderate)
- ozone (O3) - 80 (Moderate)
- nitrogen dioxide (NO2) - 1 (Good)
- sulfur dioxide (SO2) - 0 (Good)
- carbon monoxide (CO) - 117 (Good)
What is the air quality in Saint-Etienne today? Is the air polluted in Saint-Etienne?. Is there smog?
What is the current level of PM2.5 in Saint-Etienne? (particulate matter (PM2.5) dust)
Today's PM2.5 level is:
7 (Good)
For comparison, the highest level of PM2.5 in Saint-Etienne in the last 7 days was: 9 (Thursday, August 27, 2026) and the lowest: 3 (Tuesday, August 25, 2026).
The highest PM2.5 values were recorded: 27 (February 2018).
The lowest level of particulate matter PM2.5 pollution occurs in month: May (3.8).
What is the level of PM10 today in Saint-Etienne? (particulate matter (PM10) suspended dust)
The current level of particulate matter PM10 in Saint-Etienne is:
27 (Moderate)
The highest PM10 values usually occur in month: 21 (February 2019).
The lowest value of particulate matter PM10 pollution in Saint-Etienne is usually recorded in: May (7.1).
How is the O3 level today in Saint-Etienne? (ozone (O3))
80 (Moderate)
How high is the level of NO2? (nitrogen dioxide (NO2))
1 (Good)
What is the level of SO2 pollution? (sulfur dioxide (SO2))
0 (Good)
How high is the CO level? (carbon monoxide (CO))
117 (Good)
Current data Thursday, August 27, 2026 at 3:00 AM
PM2,5 7 (Good)
PM10 27 (Moderate)
O3 80 (Moderate)
NO2 1 (Good)
SO2 0 (Good)
CO 117 (Good)
Data on air pollution from recent days in Saint-Etienne
index
2026-08-27
2026-08-26
2026-08-25
2026-08-24
2026-08-23
2026-08-22
2026-08-21
2026-08-20
pm25
9
Good
5
Good
3
Good
5
Good
4
Good
3
Good
4
Good
5
Good
pm10
27
Moderate
7
Good
5
Good
8
Good
6
Good
5
Good
6
Good
8
Good
o3
80
Moderate
66
Good
71
Moderate
78
Moderate
70
Moderate
58
Good
55
Good
59
Good
no2
2
Good
4
Good
3
Good
3
Good
3
Good
3
Good
4
Good
3
Good
so2
0
Good
1
Good
0
Good
1
Good
0
Good
0
Good
0
Good
0
Good
co
118
Good
139
Good
136
Good
154
Good
151
Good
141
Good
142
Good
129
Good
data source »
Air pollution in Saint-Etienne 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
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
3.8 (Good)
10 (Good)
10 (Good)
6.8 (Good)
14 (Moderate)
9.1 (Good)
6 (Good)
6.3 (Good)
5 (Good)
6.9 (Good)
9.3 (Good)
7.2 (Good)
6.2 (Good)
8.4 (Good)
8.4 (Good)
16 (Moderate)
12 (Good)
9.2 (Good)
11 (Good)
12 (Good)
7.8 (Good)
7.4 (Good)
8.2 (Good)
6.2 (Good)
8.9 (Good)
6.1 (Good)
7 (Good)
27 (Moderate)
- (Good)
14 (Moderate)
10 (Good)
7.3 (Good)
8.2 (Good)
o3
68 (Good)
74 (Moderate)
61 (Good)
51 (Good)
27 (Good)
34 (Good)
36 (Good)
41 (Good)
58 (Good)
70 (Good)
86 (Moderate)
76 (Moderate)
70 (Good)
74 (Moderate)
67 (Good)
44 (Good)
40 (Good)
34 (Good)
32 (Good)
47 (Good)
68 (Good)
80 (Moderate)
85 (Moderate)
66 (Good)
70 (Good)
79 (Moderate)
59 (Good)
36 (Good)
40 (Good)
36 (Good)
35 (Good)
44 (Good)
51 (Good)
pm10
7.1 (Good)
15 (Good)
14 (Good)
11 (Good)
18 (Good)
13 (Good)
8 (Good)
10 (Good)
11 (Good)
12 (Good)
19 (Good)
15 (Good)
9.9 (Good)
13 (Good)
12 (Good)
21 (Moderate)
14 (Good)
11 (Good)
13 (Good)
18 (Good)
15 (Good)
13 (Good)
15 (Good)
13 (Good)
14 (Good)
14 (Good)
8.8 (Good)
17 (Good)
- (Good)
9 (Good)
13 (Good)
12 (Good)
14 (Good)
no2
5.3 (Good)
8.6 (Good)
13 (Good)
21 (Good)
32 (Good)
22 (Good)
22 (Good)
16 (Good)
12 (Good)
9.3 (Good)
10 (Good)
11 (Good)
8.8 (Good)
13 (Good)
17 (Good)
32 (Good)
27 (Good)
24 (Good)
25 (Good)
21 (Good)
17 (Good)
9.4 (Good)
11 (Good)
11 (Good)
14 (Good)
13 (Good)
20 (Good)
26 (Good)
23 (Good)
23 (Good)
24 (Good)
20 (Good)
23 (Good)
data source »
Quality of life in Saint-Etienne
Green and Parks in the City
Saint-Etienne
69%
Andorra: 69%
Switzerland: 76%
Luxembourg: 83%
Belgium: 64%
Liechtenstein: 88%
particulate matter PM2.5
Saint-Etienne
15 (Moderate)
Pleasure of spending time in the city
Saint-Etienne
75%
Andorra: 84%
Switzerland: 84%
Luxembourg: 85%
Belgium: 64%
Liechtenstein: 94%
particulate matter PM10
Saint-Etienne
20 (Moderate)
Air Pollution
Saint-Etienne
31%
Andorra: 29%
Switzerland: 20%
Luxembourg: 19%
Belgium: 45%
Liechtenstein: 6.3%
Garbage Disposal
Saint-Etienne
44%
Andorra: 89%
Switzerland: 82%
Luxembourg: 84%
Belgium: 54%
Liechtenstein: 100%
Availability and quality of drinking water
Saint-Etienne
69%
Andorra: 100%
Switzerland: 90%
Luxembourg: 83%
Belgium: 70%
Liechtenstein: 100%
Cleanliness and tidiness
Saint-Etienne
31%
Andorra: 75%
Switzerland: 82%
Luxembourg: 82%
Belgium: 46%
Liechtenstein: 94%
Noise and Light pollution
Saint-Etienne
56%
Andorra: 29%
Switzerland: 38%
Luxembourg: 29%
Belgium: 54%
Liechtenstein: 19%
Water Pollution
Saint-Etienne
38%
Andorra: 19%
Switzerland: 19%
Luxembourg: 19%
Belgium: 42%
Liechtenstein: 0%
Source: Numbeo
Saint-Etienne
Thursday, August 27, 2026 at 3:00 AM
PM2,5 7.1 (Good)
particulate matter (PM2.5) dust
PM10 27 (Moderate)
particulate matter (PM10) suspended dust
O3 80 (Moderate)
ozone (O3)
NO2 0.7 (Good)
nitrogen dioxide (NO2)
SO2 0.4 (Good)
sulfur dioxide (SO2)
CO 117 (Good)
carbon monoxide (CO)
Saint-Etienne
index
2026-08-20
2026-08-21
2026-08-22
2026-08-23
2026-08-24
2026-08-25
2026-08-26
2026-08-27
pm25
5.2
4
3.3
3.8
5.4
3.4
4.7
9.5
pm10
7.8
5.7
5.4
5.8
7.6
4.7
7.2
27
o3
59
55
58
70
78
71
66
80
no2
2.8
4.3
2.8
3.2
3.3
2.9
3.7
1.6
so2
0.17
0.32
0.25
0.45
0.51
0.2
0.5
0.39
co
129
142
141
151
154
136
139
118
FR29424
2017-09 2020-05
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
3.8
10
10
6.8
14
9.1
6
6.3
5
6.9
9.3
7.2
6.2
8.4
8.4
16
12
9.2
11
12
7.8
7.4
8.2
6.2
8.9
6.1
7
27
-
14
10
7.3
8.2
pm10
7.1
15
14
11
18
13
8
10
11
12
19
15
9.9
13
12
21
14
11
13
18
15
13
15
13
14
14
8.8
17
-
9
13
12
14
no2
5.3
8.6
13
21
32
22
22
16
12
9.3
10
11
8.8
13
17
32
27
24
25
21
17
9.4
11
11
14
13
20
26
23
23
24
20
23
o3
68
74
61
51
27
34
36
41
58
70
86
76
70
74
67
44
40
34
32
47
68
80
85
66
70
79
59
36
40
36
35
44
51
* Pollution data source:
https://openaq.org
(EEA France)
The data is licensed under CC-By 4.0
🌦️ Weather · 16-day Forecast — France
PM2,5 7 (Good)
PM10 27 (Moderate)
O3 80 (Moderate)
NO2 1 (Good)
SO2 0 (Good)
CO 117 (Good)
Data on air pollution from recent days in Saint-Etienne
| index | 2026-08-27 | 2026-08-26 | 2026-08-25 | 2026-08-24 | 2026-08-23 | 2026-08-22 | 2026-08-21 | 2026-08-20 |
|---|---|---|---|---|---|---|---|---|
| pm25 | 9 Good |
5 Good |
3 Good |
5 Good |
4 Good |
3 Good |
4 Good |
5 Good |
| pm10 | 27 Moderate |
7 Good |
5 Good |
8 Good |
6 Good |
5 Good |
6 Good |
8 Good |
| o3 | 80 Moderate |
66 Good |
71 Moderate |
78 Moderate |
70 Moderate |
58 Good |
55 Good |
59 Good |
| no2 | 2 Good |
4 Good |
3 Good |
3 Good |
3 Good |
3 Good |
4 Good |
3 Good |
| so2 | 0 Good |
1 Good |
0 Good |
1 Good |
0 Good |
0 Good |
0 Good |
0 Good |
| co | 118 Good |
139 Good |
136 Good |
154 Good |
151 Good |
141 Good |
142 Good |
129 Good |
| 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 | 3.8 (Good) | 10 (Good) | 10 (Good) | 6.8 (Good) | 14 (Moderate) | 9.1 (Good) | 6 (Good) | 6.3 (Good) | 5 (Good) | 6.9 (Good) | 9.3 (Good) | 7.2 (Good) | 6.2 (Good) | 8.4 (Good) | 8.4 (Good) | 16 (Moderate) | 12 (Good) | 9.2 (Good) | 11 (Good) | 12 (Good) | 7.8 (Good) | 7.4 (Good) | 8.2 (Good) | 6.2 (Good) | 8.9 (Good) | 6.1 (Good) | 7 (Good) | 27 (Moderate) | - (Good) | 14 (Moderate) | 10 (Good) | 7.3 (Good) | 8.2 (Good) |
| o3 | 68 (Good) | 74 (Moderate) | 61 (Good) | 51 (Good) | 27 (Good) | 34 (Good) | 36 (Good) | 41 (Good) | 58 (Good) | 70 (Good) | 86 (Moderate) | 76 (Moderate) | 70 (Good) | 74 (Moderate) | 67 (Good) | 44 (Good) | 40 (Good) | 34 (Good) | 32 (Good) | 47 (Good) | 68 (Good) | 80 (Moderate) | 85 (Moderate) | 66 (Good) | 70 (Good) | 79 (Moderate) | 59 (Good) | 36 (Good) | 40 (Good) | 36 (Good) | 35 (Good) | 44 (Good) | 51 (Good) |
| pm10 | 7.1 (Good) | 15 (Good) | 14 (Good) | 11 (Good) | 18 (Good) | 13 (Good) | 8 (Good) | 10 (Good) | 11 (Good) | 12 (Good) | 19 (Good) | 15 (Good) | 9.9 (Good) | 13 (Good) | 12 (Good) | 21 (Moderate) | 14 (Good) | 11 (Good) | 13 (Good) | 18 (Good) | 15 (Good) | 13 (Good) | 15 (Good) | 13 (Good) | 14 (Good) | 14 (Good) | 8.8 (Good) | 17 (Good) | - (Good) | 9 (Good) | 13 (Good) | 12 (Good) | 14 (Good) |
| no2 | 5.3 (Good) | 8.6 (Good) | 13 (Good) | 21 (Good) | 32 (Good) | 22 (Good) | 22 (Good) | 16 (Good) | 12 (Good) | 9.3 (Good) | 10 (Good) | 11 (Good) | 8.8 (Good) | 13 (Good) | 17 (Good) | 32 (Good) | 27 (Good) | 24 (Good) | 25 (Good) | 21 (Good) | 17 (Good) | 9.4 (Good) | 11 (Good) | 11 (Good) | 14 (Good) | 13 (Good) | 20 (Good) | 26 (Good) | 23 (Good) | 23 (Good) | 24 (Good) | 20 (Good) | 23 (Good) |
Green and Parks in the City
Saint-Etienne 69%
Andorra: 69% Switzerland: 76% Luxembourg: 83% Belgium: 64% Liechtenstein: 88%particulate matter PM2.5
Saint-Etienne 15 (Moderate)
Pleasure of spending time in the city
Saint-Etienne 75%
Andorra: 84% Switzerland: 84% Luxembourg: 85% Belgium: 64% Liechtenstein: 94%particulate matter PM10
Saint-Etienne 20 (Moderate)
Air Pollution
Saint-Etienne 31%
Andorra: 29% Switzerland: 20% Luxembourg: 19% Belgium: 45% Liechtenstein: 6.3%Garbage Disposal
Saint-Etienne 44%
Andorra: 89% Switzerland: 82% Luxembourg: 84% Belgium: 54% Liechtenstein: 100%Availability and quality of drinking water
Saint-Etienne 69%
Andorra: 100% Switzerland: 90% Luxembourg: 83% Belgium: 70% Liechtenstein: 100%Cleanliness and tidiness
Saint-Etienne 31%
Andorra: 75% Switzerland: 82% Luxembourg: 82% Belgium: 46% Liechtenstein: 94%Noise and Light pollution
Saint-Etienne 56%
Andorra: 29% Switzerland: 38% Luxembourg: 29% Belgium: 54% Liechtenstein: 19%Water Pollution
Saint-Etienne 38%
Andorra: 19% Switzerland: 19% Luxembourg: 19% Belgium: 42% Liechtenstein: 0%PM2,5 7.1 (Good)
particulate matter (PM2.5) dustPM10 27 (Moderate)
particulate matter (PM10) suspended dustO3 80 (Moderate)
ozone (O3)NO2 0.7 (Good)
nitrogen dioxide (NO2)SO2 0.4 (Good)
sulfur dioxide (SO2)CO 117 (Good)
carbon monoxide (CO)Saint-Etienne
| index | 2026-08-20 | 2026-08-21 | 2026-08-22 | 2026-08-23 | 2026-08-24 | 2026-08-25 | 2026-08-26 | 2026-08-27 |
|---|---|---|---|---|---|---|---|---|
| pm25 | 5.2 | 4 | 3.3 | 3.8 | 5.4 | 3.4 | 4.7 | 9.5 |
| pm10 | 7.8 | 5.7 | 5.4 | 5.8 | 7.6 | 4.7 | 7.2 | 27 |
| o3 | 59 | 55 | 58 | 70 | 78 | 71 | 66 | 80 |
| no2 | 2.8 | 4.3 | 2.8 | 3.2 | 3.3 | 2.9 | 3.7 | 1.6 |
| so2 | 0.17 | 0.32 | 0.25 | 0.45 | 0.51 | 0.2 | 0.5 | 0.39 |
| co | 129 | 142 | 141 | 151 | 154 | 136 | 139 | 118 |
FR29424
| 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 | 3.8 | 10 | 10 | 6.8 | 14 | 9.1 | 6 | 6.3 | 5 | 6.9 | 9.3 | 7.2 | 6.2 | 8.4 | 8.4 | 16 | 12 | 9.2 | 11 | 12 | 7.8 | 7.4 | 8.2 | 6.2 | 8.9 | 6.1 | 7 | 27 | - | 14 | 10 | 7.3 | 8.2 |
| pm10 | 7.1 | 15 | 14 | 11 | 18 | 13 | 8 | 10 | 11 | 12 | 19 | 15 | 9.9 | 13 | 12 | 21 | 14 | 11 | 13 | 18 | 15 | 13 | 15 | 13 | 14 | 14 | 8.8 | 17 | - | 9 | 13 | 12 | 14 |
| no2 | 5.3 | 8.6 | 13 | 21 | 32 | 22 | 22 | 16 | 12 | 9.3 | 10 | 11 | 8.8 | 13 | 17 | 32 | 27 | 24 | 25 | 21 | 17 | 9.4 | 11 | 11 | 14 | 13 | 20 | 26 | 23 | 23 | 24 | 20 | 23 |
| o3 | 68 | 74 | 61 | 51 | 27 | 34 | 36 | 41 | 58 | 70 | 86 | 76 | 70 | 74 | 67 | 44 | 40 | 34 | 32 | 47 | 68 | 80 | 85 | 66 | 70 | 79 | 59 | 36 | 40 | 36 | 35 | 44 | 51 |
16-day weather forecast for France: today around 32°C (rain), lows near 16°C. Daily temperature and conditions, updated every day. Strong wind (about 24 km/h) is actively clearing smog and dust away.
☀️ UV Index · 16-day Forecast — France
The UV index in France today is 6 (high) — unprotected fair skin can burn in about 35 minutes.
📍 Air quality in nearby cities
Live PM2.5 around Saint-Etienne — compare nearby locations.
- Paris 4 µg/m³
- Marseille 02 7 µg/m³
- Lyon 6 µg/m³
- Toulouse 11 µg/m³
- Nice 8 µg/m³
- Nantes 4 µg/m³
- Strasbourg 9 µg/m³
- Montpellier 7 µg/m³