Air Quality in Saint-Nazaire, France

Windy
19.1°C · 88.6% humidity
19.1°
Feels 19.1°
34
Good
Air quality is satisfactory. Enjoy outdoor activities.
8 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
31 12am
30
29
34 3am
37
37
37 6am
37
30
37 9am
37
37
37 12pm
37
57
57 3pm
57
37
37 6pm
30
30
30 9pm
30
30
Station readings
31
30
29
29
CAMS model adj +3
27
27
27
34
34
34
34
34
27
34
34
34
34
34
54
54
54
34
34
27
27
27
27
27
AD 728×90

Air Quality Index Trend

16h · 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▲
34
8.22 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Saint-Nazaire?

Temperature & Precipitation

PM2.5 Trend

16h · 1 station
PM2.58.22 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (8 stations within 25 km)
8.22
Median
6.36
Average
5.0
Low
9.6
High
PM2.5 µg/m³ · Model: 7.1 · Bias: -1.1

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?

36
Blum, Saint-Nazaire, Loire, France
2.7 km PM2.5: 8.6 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
68
Mégretais, la Basse-Loire, Loire, France
14.5 km PM2.5: 20.2 µg/m³
40
Frossay, la Basse-Loire, Loire, France
21.5 km PM2.5: 9.6 µg/m³

What cities are near Saint-Nazaire?

32 La Baule-Escoublac 33 Guérande 28 Couëron 27 Saint-Herblain 30 Orvault 25 Bouguenais 22 Rezé 30 La Chapelle-sur-Erdre 30 Nantes 31 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 2026-07-22T01:13 UTC.