Air Quality in Saint-Étienne, France

Windy
21.1°C · 62.8% humidity
21.1°
Feels 21.1°
49
Good
Air quality is satisfactory. Enjoy outdoor activities.
3 stations

Nearby Monitoring Stations

AQI Forecast
34 4pm
54
54
49 7pm
50
31
52 10pm
53
53
53 1am
54
34
34 4am
34
27
27 7am
27
27
34 10am
34
34
34 1pm
34
34
AD 728×90

Air Quality Index Trend

48h · 11 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.

62.8%
Humidity
42.3 km/h
Wind SSE
1013.2 hPa
Pressure
2.2
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
49
11.75 µg/m³
PM10
31
34.3 µg/m³
050100150200300500

What is the weather forecast for Saint-Étienne?

Temperature & Precipitation

PM2.5 Trend

48h · 11 stations
PM2.511.75 µg/m³ ✓ WHO
Good
PM1034.3 µg/m³
Good
UV INDEX2.2
Moderate
AD 300×250
Station readings (3 stations within 25 km)
11.75
Median
14.27
Average
11.5
Low
17.8
High
PM2.5 µg/m³ · Model: 10.0 · Bias: -1.8

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

05-29
21.1° 9.8°
0.06 mm
05-30
17.1° 8.6°
1.5 mm
05-31
24.2° 12.1°
06-01
26.4° 13.4°
06-02
18.1° 13.3°
1.31 mm
06-03
18.8° 8.3°
0.25 mm
06-04
21.0° 14.6°
1.0 mm
Both models agree Avg diff: 4.5°C

Where are air quality stations near Saint-Étienne?

6
Saint-Etienne Boulevard Urbain, France
1.6 km PM2.5: 1.4 µg/m³
91
Saint-Etienne Boulevard Urbain, France
1.6 km PM2.5: 31.1 µg/m³
72
Saint-Etienne Boulevard Urbain, France
1.6 km PM2.5: 22.1 µg/m³
36
Saint-Etienne Boulevard Urbain, France
1.6 km PM2.5: 8.6 µg/m³
32
Saint-Etienne Sud, France
1.6 km PM2.5: 7.7 µg/m³
37
La Talaudiere, Est Stephanois , France
6.2 km PM2.5: 8.9 µg/m³
38
La Talaudiere, Est Stephanois , France
6.2 km PM2.5: 9.1 µg/m³
44
La Talaudiere, Est Stephanois , France
6.2 km PM2.5: 10.6 µg/m³
30
Saint-Chamond, Est Stephanois , France
10.8 km PM2.5: 7.2 µg/m³
25
Saint-Chamond, Est Stephanois , France
10.8 km PM2.5: 6.0 µg/m³

What cities are near Saint-Étienne?

52 Firminy 63 Saint-Chamond 40 Annonay 42 Montbrison 55 Givors 53 Vienne 40 Saint-Genis-Laval 38 Oullins 36 Sainte-Foy-lès-Lyon 40 Saint-Fons
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Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-05-29T17:25 UTC.