Air Quality in Saint-Sébastien-sur-Loire, France

Windy
21.5°C · 56.3% humidity
21.5°
Feels 21.5°
33
Good
Air quality is satisfactory. Enjoy outdoor activities.
6 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
28 1am
25
25
33 4am
29
29
29 7am
27
27
29 10am
29
29
29 1pm
29
27
27 4pm
29
29
36 7pm
56
56
56 10pm
56
56
Station readings
28
25
25
23
CAMS model adj +2
25
25
25
27
27
27
27
25
25
27
27
27
27
27
25
25
27
27
34
54
54
54
54
54
AD 728×90

Air Quality Index Trend

38h · 4 stn

Saint-Sébastien-sur-Loire'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.

56.3%
Humidity
84.4 km/h
Wind WSW
1017.0 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
33
7.86 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Saint-Sébastien-sur-Loire?

Temperature & Precipitation

PM2.5 Trend

38h · 4 stations
PM2.57.86 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (6 stations within 25 km)
7.86
Median
6.03
Average
3.8
Low
11.0
High
PM2.5 µg/m³ · Model: 5.9 · Bias: -2.0

What is the 7-day forecast for Saint-Sébastien-sur-Loire?

08-03
41.2° 17.1°
0.19 mm
08-04
32.4° 15.3°
08-05
27.1° 17.4°
08-06
31.3° 16.6°
1.31 mm
08-07
33.8° 13.8°
3.62 mm
08-08
27.1° 15.8°
0.75 mm
08-09
25.1° 13.1°
Both models agree Avg diff: 4.5°C

Where are air quality stations near Saint-Sébastien-sur-Loire?

28
Bouteillerie, Nantes, Loire, France
3.0 km PM2.5: 6.7 µg/m³
24
Bouteillerie, Nantes, Loire, France
3.0 km PM2.5: 5.8 µg/m³
6
Bouteillerie, Nantes, Loire, France
3.0 km PM2.5: 1.4 µg/m³
14
Prairie Au Duc, Nantes, Loire
4.8 km PM2.5: 3.3 µg/m³ PM10: 12.8 µg/m³
31
Freres Goncourt, Nantes, Loire, France
5.5 km PM2.5: 7.4 µg/m³
15
Freres Goncourt, Nantes, Loire, France
5.5 km PM2.5: 3.6 µg/m³
24
Freres Goncourt, Nantes, Loire, France
5.5 km PM2.5: 5.8 µg/m³
15
Freres Goncourt, Nantes, Loire, France
5.5 km PM2.5: 3.6 µg/m³
27
Freres Goncourt, Nantes, Loire, France
5.5 km PM2.5: 6.5 µg/m³
10
Trentemoult, Rezé, Loire, France
6.1 km PM2.5: 2.4 µg/m³

What cities are near Saint-Sébastien-sur-Loire?

33 Nantes 27 Vertou 19 Rezé 21 Bouguenais 30 Carquefou 30 La Chapelle-sur-Erdre 24 Saint-Herblain 28 Orvault 23 Couëron 35 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 2026-08-08T02:16 UTC.