Air Quality in Saint-Étienne, France

Drizzle
25.8°C · 60.2% humidity
25.8°
Feels 25.8°
47
Good
Air quality is satisfactory. Enjoy outdoor activities.
5 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
38 1am
36
36
47 4am
45
44
43 7am
43
42
42 10am
42
41
41 1pm
41
39
39 4pm
39
39
39 7pm
39
39
39 10pm
41
41
Station readings
38
36
36
CAMS model adj +14
27
27
27
27
27
27
27
27
27
27
27
27
27
27
25
25
25
25
25
25
25
25
27
27
AD 728×90

Air Quality Index Trend

30h · 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.

60.2%
Humidity
12.9 km/h
Wind ENE
1014.1 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
47
11.33 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Saint-Étienne?

Temperature & Precipitation

PM2.5 Trend

30h · 3 stations
PM2.511.33 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (5 stations within 25 km)
11.33
Median
11.42
Average
10.8
Low
12.0
High
PM2.5 µg/m³ · Model: 6.25 · Bias: -5.1

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

08-03
38.5° 18.0°
0.75 mm
08-04
31.9° 17.5°
08-05
30.7° 19.1°
3.5 mm
08-06
30.2° 18.5°
1.13 mm
08-07
37.8° 14.5°
6.75 mm
08-08
29.2° 13.0°
0.19 mm
08-09
24.6° 14.1°
2.0 mm
Both models agree Avg diff: 5.0°C

Where are air quality stations near Saint-Étienne?

30
Saint-Etienne Boulevard Urbain, France
1.6 km PM2.5: 7.2 µg/m³
45
Saint-Etienne Boulevard Urbain, France
1.6 km PM2.5: 10.8 µg/m³
30
Saint-Etienne Boulevard Urbain, France
1.6 km PM2.5: 7.2 µg/m³
12
Saint-Etienne Boulevard Urbain, France
1.6 km PM2.5: 2.9 µg/m³
42
Saint-Etienne Sud, France
1.6 km PM2.5: 10.1 µg/m³
34
Saint-Etienne Sud, France
1.6 km PM2.5: 8.2 µg/m³
37
Saint-Etienne Sud, France
1.6 km PM2.5: 8.9 µg/m³
37
Saint-Etienne Sud, France
1.6 km PM2.5: 8.9 µg/m³
44
La Talaudiere, Est Stephanois , France
6.2 km PM2.5: 10.6 µg/m³
30
La Talaudiere, Est Stephanois , France
6.2 km PM2.5: 7.2 µg/m³

What cities are near Saint-Étienne?

48 Firminy 48 Saint-Chamond 30 Annonay 37 Montbrison 42 Givors 41 Vienne 42 Saint-Genis-Laval 42 Oullins 42 Sainte-Foy-lès-Lyon 42 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 2026-08-08T02:10 UTC.