Air Quality in Saint-Étienne, France

Drizzle
18.3°C · 66.0% humidity
18.3°
Feels 18.3°
28
Good
Air quality is satisfactory. Enjoy outdoor activities.
3 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
40 1am
40
40
28 4am
31
34
36 7am
37
38
38 10am
39
39
39 1pm
40
38
38 4pm
38
38
38 7pm
38
38
38 10pm
40
40
Station readings
28
CAMS model adj +13
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

6h · 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.

66.0%
Humidity
16.7 km/h
Wind ESE
1013.6 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
28
6.61 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Saint-Étienne?

Temperature & Precipitation

PM2.5 Trend

6h · 3 stations
PM2.56.61 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (3 stations within 25 km)
6.61
Median
7.43
Average
6.5
Low
7.9
High
PM2.5 µg/m³ · Model: 6.25 · Bias: -0.4

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

07-22
27.3° 18.3°
0.69 mm
07-23
27.1° 18.7°
07-24
27.3° 13.9°
4.25 mm
07-25
37.9° 9.6°
07-26
36.6° 17.0°
0.38 mm
07-27
31.3° 15.7°
07-28
32.9° 12.1°
0.13 mm
Both models agree Avg diff: 4.0°C

Where are air quality stations near Saint-Étienne?

60
Saint-Etienne Boulevard Urbain, France
1.6 km PM2.5: 16.4 µg/m³
54
Saint-Etienne Boulevard Urbain, France
1.6 km PM2.5: 13.5 µg/m³
32
Saint-Etienne Boulevard Urbain, France
1.6 km PM2.5: 7.7 µg/m³
26
Saint-Etienne Boulevard Urbain, France
1.6 km PM2.5: 6.2 µg/m³
5
Saint-Etienne Sud, France
1.6 km PM2.5: 1.2 µg/m³
47
La Talaudiere, Est Stephanois , France
6.2 km PM2.5: 11.3 µg/m³
11
La Talaudiere, Est Stephanois , France
6.2 km PM2.5: 2.6 µg/m³
46
La Talaudiere, Est Stephanois , France
6.2 km PM2.5: 11.0 µg/m³
159
Saint-Chamond, Est Stephanois , France
10.8 km PM2.5: 71.0 µg/m³
43
Saint-Chamond, Est Stephanois , France
10.8 km PM2.5: 10.3 µg/m³

What cities are near Saint-Étienne?

29 Firminy 33 Saint-Chamond 22 Annonay 39 Montbrison 28 Givors 25 Vienne 26 Saint-Genis-Laval 32 Oullins 31 Sainte-Foy-lès-Lyon 27 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 2026-07-22T02:37 UTC.