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

Rain
21.7°C · 80.7% humidity
21.7°
Feels 21.7°
54
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
8 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
60 3pm
60
69
54 6pm
49
50
51 9pm
51
52
52 12am
52
51
51 3am
51
51
51 6am
51
51
51 9am
51
51
53 12pm
53
53
Station readings
69
51
51
CAMS model adj +26
34
34
34
34
27
27
27
27
27
27
27
25
25
25
25
25
25
25
25
25
25
27
27
27
AD 728×90

Air Quality Index Trend

11h · 1 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.

80.7%
Humidity
63.7 km/h
Wind ENE
1013.3 hPa
Pressure
4.4
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
54
13.31 µg/m³
PM10
31
34.3 µg/m³
050100150200300500

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

Temperature & Precipitation

PM2.5 Trend

11h · 1 station
PM2.513.31 µg/m³ ✓ WHO
Moderate
PM1034.3 µg/m³
Good
UV INDEX4.4
Moderate
AD 300×250
Station readings (8 stations within 25 km)
13.31
Median
13.58
Average
12.0
Low
17.3
High
PM2.5 µg/m³ · Model: 10.85 · Bias: -2.5

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

05-29
21.7° 11.2°
3.56 mm
05-30
19.2° 9.8°
0.06 mm
05-31
24.7° 15.6°
0.75 mm
06-01
30.4° 10.4°
06-02
18.4° 13.4°
3.56 mm
06-03
21.3° 10.5°
0.13 mm
06-04
26.1° 16.2°
5.06 mm
Both models agree Avg diff: 3.7°C

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

82
Bouteillerie, Nantes, Loire, France
3.0 km PM2.5: 26.8 µg/m³
43
Bouteillerie, Nantes, Loire, France
3.0 km PM2.5: 10.3 µg/m³
33
Bouteillerie, Nantes, Loire, France
3.0 km PM2.5: 7.9 µg/m³
57
Prairie Au Duc, Nantes, Loire
4.8 km PM2.5: 14.8 µg/m³ PM10: 33.2 µg/m³
74
Freres Goncourt, Nantes, Loire, France
5.5 km PM2.5: 23.0 µg/m³
32
Freres Goncourt, Nantes, Loire, France
5.5 km PM2.5: 7.7 µg/m³
19
Trentemoult, Rezé, Loire, France
6.1 km PM2.5: 4.6 µg/m³
70
Trentemoult, Rezé, Loire, France
6.1 km PM2.5: 21.1 µg/m³
87
S Etienne de Montluc, la Basse-Loire, Loire, France
22.7 km PM2.5: 29.2 µg/m³
42
S Etienne de Montluc, la Basse-Loire, Loire, France
22.7 km PM2.5: 10.1 µg/m³

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

54 Nantes 54 Vertou 56 Rezé 55 Bouguenais 54 Carquefou 55 La Chapelle-sur-Erdre 55 Saint-Herblain 55 Orvault 54 Couëron 53 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 2026-05-29T16:44 UTC.