Air Quality in Saint-Nazaire, France

Windy
20.1°C · 51.5% humidity
20.1°
Feels 20.1°
24
Good
Air quality is satisfactory. Enjoy outdoor activities.
7 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
28 3pm
30
32
24 6pm
26
20
21 9pm
19
20
20 12am
20
21
21 3am
20
20
20 6am
20
20
20 9am
20
20
21 12pm
21
21
Station readings
28
30
32
20
CAMS model adj -4
27
27
34
34
34
27
27
25
25
25
25
25
25
24
24
24
24
24
24
24
24
25
25
25
AD 728×90

Air Quality Index Trend

46h · 4 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.

51.5%
Humidity
57.9 km/h
Wind NNE
1024.7 hPa
Pressure
4.4
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
24
5.83 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Saint-Nazaire?

Temperature & Precipitation

PM2.5 Trend

46h · 4 stations
PM2.55.83 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX4.4
Moderate
AD 300×250
Station readings (7 stations within 25 km)
5.83
Median
5.84
Average
5.0
Low
6.7
High
PM2.5 µg/m³ · Model: 7.1 · Bias: +1.3

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

09-05
21.3° 12.8°
09-06
20.6° 14.0°
0.13 mm
09-07
19.2° 14.5°
1.81 mm
09-08
23.1° 13.2°
0.13 mm
09-09
21.3° 15.4°
1.56 mm
09-10
24.6° 16.8°
09-11
19.4° 15.5°
1.25 mm
Both models agree Avg diff: 3.0°C

Where are air quality stations near Saint-Nazaire?

19
Camee, Montoir-De-Bretagne, Loire, France
8.5 km PM2.5: 4.6 µg/m³
21
Plessis, la Basse-Loire, Loire, France
12.4 km PM2.5: 5.0 µg/m³
20
Plessis, la Basse-Loire, Loire, France
12.4 km PM2.5: 4.8 µg/m³
22
Mégretais, la Basse-Loire, Loire, France
14.5 km PM2.5: 5.3 µg/m³
22
Mégretais, la Basse-Loire, Loire, France
14.5 km PM2.5: 5.3 µg/m³
22
Frossay, la Basse-Loire, Loire, France
21.5 km PM2.5: 5.3 µg/m³
22
Frossay, la Basse-Loire, Loire, France
21.5 km PM2.5: 5.3 µg/m³

What cities are near Saint-Nazaire?

25 La Baule-Escoublac 24 Guérande 26 Couëron 27 Saint-Herblain 29 Orvault 26 Bouguenais 25 Rezé 30 La Chapelle-sur-Erdre 33 Nantes 29 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 2026-09-05T16:34 UTC.