Air Quality in Saint-Étienne, France

Clear
27.7°C · 41.0% humidity
27.7°
Feels 28.8°
34
Good
Air quality is satisfactory. Enjoy outdoor activities.
8 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
32 12pm
41
42
34 3pm
33
35
35 6pm
35
33
33 9pm
33
35
35 12am
35
35
35 3am
35
35
35 6am
35
35
35 9am
33
33
Station readings
32
41
42
41
CAMS model adj +8
25
25
25
25
25
27
27
27
25
25
25
27
27
27
27
27
27
27
27
27
27
27
25
25
AD 728×90

Air Quality Index Trend

48h · 3 stn

Saint-Étienne's air quality is shaped by traffic emissions and residential heating. Pollution levels tend to peak during winter months when cold air traps emissions close to ground level.

41.0%
Humidity
34.2 km/h
Wind N
1018.3 hPa
Pressure
14.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
34
8.1 µg/m³
PM10
19
20.55 µg/m³
050100150200300500

What is the weather forecast for Saint-Étienne?

Temperature & Precipitation

PM2.5 Trend

48h · 3 stations
PM2.58.1 µg/m³ ✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX14.9
Extreme
AD 300×250
Station readings (8 stations within 25 km)
8.1
Median
8.93
Average
2.4
Low
11.8
High
PM2.5 µg/m³ · Model: 6.25 · Bias: -1.9

What is the 7-day forecast for Saint-Étienne?

09-05
27.7° 10.0°
0.31 mm
09-06
20.9° 11.8°
1.56 mm
09-07
30.0° 10.2°
09-08
30.6° 10.7°
0.56 mm
09-09
25.1° 11.1°
0.31 mm
09-10
30.7° 15.1°
0.13 mm
09-11
23.4° 8.5°
0.13 mm
Both models agree Avg diff: 6.7°C

Where are air quality stations near Saint-Étienne?

10
Saint-Etienne Boulevard Urbain, France
1.6 km PM2.5: 2.4 µg/m³
31
Saint-Etienne Sud, France
1.6 km PM2.5: 7.4 µg/m³
41
Saint-Etienne Sud, France
1.6 km PM2.5: 9.8 µg/m³
41
Saint-Etienne Sud, France
1.6 km PM2.5: 9.8 µg/m³
42
Saint-Etienne Sud, France
1.6 km PM2.5: 10.1 µg/m³
38
La Talaudiere, Est Stephanois , France
6.2 km PM2.5: 9.1 µg/m³
41
La Talaudiere, Est Stephanois , France
6.2 km PM2.5: 9.8 µg/m³
37
La Talaudiere, Est Stephanois , France
6.2 km PM2.5: 8.9 µg/m³
36
Saint-Chamond, Est Stephanois , France
10.8 km PM2.5: 8.6 µg/m³

What cities are near Saint-Étienne?

37 Firminy 36 Saint-Chamond 24 Annonay 35 Montbrison 40 Givors 37 Vienne 41 Saint-Genis-Laval 43 Oullins 42 Sainte-Foy-lès-Lyon 40 Saint-Fons
Get AQI alerts for Saint-Étienne

Notify me when air quality reaches:

Free · No account · Unsubscribe any time

Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-09-05T13:17 UTC.