What is the air quality in Saint-Étienne today?

The current Air Quality Index (AQI) in Saint-Étienne is 25 (Good). PM2.5 concentration is 5.9 µg/m³.

What is the temperature in Saint-Étienne right now?

The current temperature in Saint-Étienne is 12.6°C (feels like 12.6°C). Humidity is 62.0% and wind speed is 34.5 km/h.

Is it safe to go outside in Saint-Étienne?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 0.0 (Low).

Air Quality in Saint-Étienne, France

Partly Cloudy

12.6°C · 62.0% humidity

12.6°

Feels 12.6°

Good

Air quality is satisfactory. Enjoy outdoor activities.

5 stations

Nearby Monitoring Stations

AQI Forecast

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Station readings

Air Quality Index Trend

15h · 2 stn

View full history →

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.

62.0%

Humidity

34.5 km/h

Wind N

1021.7 hPa

Pressure

0.0

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

5.9 µg/m³

PM10

13.7 µg/m³

050100150200300500

What is the weather forecast for Saint-Étienne?

Temperature & Precipitation

PM2.5 Trend

15h · 2 stations

PM2.55.9 µg/m³ ✓ WHO

Good

PM1013.7 µg/m³

Good

UV INDEX0.0

Low

Station readings (5 stations within 25 km)

5.9

Median

6.16

Average

2.4

Low

10.6

High

PM2.5 µg/m³ · Model: 5.8 · Bias: -0.1

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

10-21

13.9° 1.2°

6.0 mm

10-22

21.6° 7.6°

0.38 mm

10-23

12.2° 2.1°

2.06 mm

10-24

8.9° 5.2°

0.13 mm

10-25

20.1° 2.3°

10-26

9.9° 6.5°

0.19 mm

10-27

15.5° 5.7°

3.44 mm

Both models agree Avg diff: 4.0°C

Where are air quality stations near Saint-Étienne?

Saint-Etienne Boulevard Urbain, France

1.6 km PM2.5: 2.4 µg/m³

Saint-Etienne Sud, France

1.6 km PM2.5: 6.7 µg/m³

Saint-Etienne Sud, France

1.6 km PM2.5: 4.6 µg/m³

La Talaudiere, Est Stephanois , France

6.2 km PM2.5: 4.8 µg/m³

Saint-Chamond, Est Stephanois , France

10.8 km PM2.5: 8.2 µg/m³

What cities are near Saint-Étienne?

26 Firminy 34 Saint-Chamond 30 Annonay 32 Montbrison 38 Givors 32 Vienne 34 Saint-Genis-Laval 27 Oullins 30 Sainte-Foy-lès-Lyon 35 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 2026-10-21T10:52 UTC.