What is the air quality in Saint-Nazaire today?

The current Air Quality Index (AQI) in Saint-Nazaire is 29 (Good). PM2.5 concentration is 6.92 µg/m³.

What is the temperature in Saint-Nazaire right now?

The current temperature in Saint-Nazaire is 20.8°C (feels like 20.8°C). Humidity is 52.2% and wind speed is 33.5 km/h.

Is it safe to go outside in Saint-Nazaire?

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

Air Quality in Saint-Nazaire, France

Partly Cloudy

20.8°C · 52.2% humidity

20.8°

Feels 20.8°

Good

Air quality is satisfactory. Enjoy outdoor activities.

10 stations

Nearby Monitoring Stations

AQI Forecast

29 11am

29 2pm

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Station readings

Air Quality Index Trend

44h · 2 stn

View full history →

Saint-Nazaire'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.

52.2%

Humidity

33.5 km/h

Wind ESE

1024.4 hPa

Pressure

0.0

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

6.92 µg/m³

PM10

13.7 µg/m³

050100150200300500

What is the weather forecast for Saint-Nazaire?

Temperature & Precipitation

PM2.5 Trend

44h · 2 stations

PM2.56.92 µg/m³ ✓ WHO

Good

PM1013.7 µg/m³

Good

UV INDEX0.0

Low

Station readings (10 stations within 25 km)

6.92

Median

5.82

Average

4.1

Low

7.4

High

PM2.5 µg/m³ · Model: 5.8 · Bias: -1.1

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

10-22

20.8° 14.0°

0.62 mm

10-23

15.9° 12.4°

12.94 mm

10-24

13.5° 12.7°

0.25 mm

10-25

17.7° 10.1°

0.06 mm

10-26

15.4° 11.3°

2.0 mm

10-27

17.6° 8.1°

8.63 mm

10-28

13.5° 10.4°

0.19 mm

Both models agree Avg diff: 2.7°C

Where are air quality stations near Saint-Nazaire?

Blum, Saint-Nazaire, Loire, France

2.7 km PM2.5: 7.4 µg/m³

Blum, Saint-Nazaire, Loire, France

2.7 km PM2.5: 7.4 µg/m³

Blum, Saint-Nazaire, Loire, France

2.7 km PM2.5: 7.9 µg/m³

Camee, Montoir-De-Bretagne, Loire, France

8.5 km PM2.5: 5.5 µg/m³

Camee, Montoir-De-Bretagne, Loire, France

8.5 km PM2.5: 4.1 µg/m³

Plessis, la Basse-Loire, Loire, France

12.4 km PM2.5: 5.3 µg/m³

Plessis, la Basse-Loire, Loire, France

12.4 km PM2.5: 5.0 µg/m³

Mégretais, la Basse-Loire, Loire, France

14.5 km PM2.5: 4.8 µg/m³

Mégretais, la Basse-Loire, Loire, France

14.5 km PM2.5: 5.0 µg/m³

Frossay, la Basse-Loire, Loire, France

21.5 km PM2.5: 7.0 µg/m³

What cities are near Saint-Nazaire?

28 La Baule-Escoublac 28 Guérande 27 Couëron 31 Saint-Herblain 27 Orvault 33 Bouguenais 26 Rezé 27 La Chapelle-sur-Erdre 28 Nantes 36 Challans

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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 2026-10-22T12:05 UTC.