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
PM2.5
34
8.22 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

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
8.22
Median
6.36
Average
5.0
Low
9.6
High
PM2.5 µg/m³ · Model: 7.1 · Bias: -1.1
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°
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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.