Air Quality in Saint-Nazaire, France

Windy
19.1°C · 88.6% humidity
19.1°
Feels 19.1°
25
Good
Air quality is satisfactory. Enjoy outdoor activities.
6 stations

Nearby Monitoring Stations

AQI Forecast
30 1am
29
34
25 4am
28
29
31 7am
25
32
33 10am
33
33
34 1pm
54
54
54 4pm
34
34
27 7pm
27
27
27 10pm
27
27
Station readings
30
29
29
27
CAMS model
27
27
34
34
34
34
34
27
34
34
34
34
34
54
54
54
34
34
27
27
27
27
27
27
AD 728×90

Air Quality Index Trend

17h · 1 stn

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.

88.6%
Humidity
59.4 km/h
Wind WNW
1011.7 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
25
5.87 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Saint-Nazaire?

Temperature & Precipitation

PM2.5 Trend

17h · 1 station
PM2.55.87 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (6 stations within 25 km)
5.87
Median
5.45
Average
4.8
Low
7.0
High
PM2.5 µg/m³ · Model: 7.1 · Bias: +1.2

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

07-22
21.3° 19.1°
07-23
20.5° 18.5°
0.62 mm
07-24
20.6° 17.7°
2.63 mm
07-25
25.0° 13.7°
0.06 mm
07-26
20.9° 14.6°
12.06 mm
07-27
22.2° 18.3°
23.75 mm
07-28
28.9° 17.4°
Both models agree Avg diff: 3.6°C

Where are air quality stations near Saint-Nazaire?

23
Blum, Saint-Nazaire, Loire, France
2.7 km PM2.5: 5.5 µg/m³
38
Blum, Saint-Nazaire, Loire, France
2.7 km PM2.5: 9.1 µg/m³
20
Blum, Saint-Nazaire, Loire, France
2.7 km PM2.5: 4.8 µg/m³
6
Camee, Montoir-De-Bretagne, Loire, France
8.5 km PM2.5: 1.4 µg/m³
23
Camee, Montoir-De-Bretagne, Loire, France
8.5 km PM2.5: 5.5 µg/m³
60
Plessis, la Basse-Loire, Loire, France
12.4 km PM2.5: 16.4 µg/m³
42
Plessis, la Basse-Loire, Loire, France
12.4 km PM2.5: 10.1 µg/m³
42
Mégretais, la Basse-Loire, Loire, France
14.5 km PM2.5: 10.1 µg/m³
36
Mégretais, la Basse-Loire, Loire, France
14.5 km PM2.5: 8.6 µg/m³
40
Frossay, la Basse-Loire, Loire, France
21.5 km PM2.5: 9.6 µg/m³

What cities are near Saint-Nazaire?

24 La Baule-Escoublac 25 Guérande 25 Couëron 27 Saint-Herblain 28 Orvault 26 Bouguenais 23 Rezé 28 La Chapelle-sur-Erdre 28 Nantes 32 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 2026-07-22T02:18 UTC.