Air Quality in Saint-Herblain, France

Rain
21.4°C · 82.5% humidity
21.4°
Feels 21.4°
55
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
10 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
61 3pm
61
69
55 6pm
50
51
52 9pm
52
53
53 12am
53
52
52 3am
52
52
52 6am
52
52
52 9am
52
52
54 12pm
54
54
Station readings
69
51
51
CAMS model adj +27
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-Herblain'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. Current PM2.5 concentration in Saint-Herblain is 2.8× the WHO annual guideline of 5 µg/m³.

82.5%
Humidity
59.3 km/h
Wind ENE
1013.4 hPa
Pressure
4.4
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
55
13.96 µg/m³
PM10
31
34.3 µg/m³
050100150200300500

What is the weather forecast for Saint-Herblain?

Temperature & Precipitation

PM2.5 Trend

11h · 1 station
PM2.513.96 µg/m³ ✓ WHO
Moderate
PM1034.3 µg/m³
Good
UV INDEX4.4
Moderate
AD 300×250
Station readings (10 stations within 25 km)
13.96
Median
13.23
Average
10.1
Low
17.3
High
PM2.5 µg/m³ · Model: 10.85 · Bias: -3.1

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

05-29
21.4° 11.5°
3.25 mm
05-30
19.1° 9.6°
0.06 mm
05-31
24.6° 15.6°
0.13 mm
06-01
30.2° 10.9°
0.13 mm
06-02
18.0° 12.7°
3.06 mm
06-03
21.3° 10.4°
0.19 mm
06-04
26.3° 15.9°
4.44 mm
Both models agree Avg diff: 3.6°C

Where are air quality stations near Saint-Herblain?

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

What cities are near Saint-Herblain?

55 Bouguenais 54 Couëron 56 Rezé 55 Orvault 54 Nantes 54 Saint-Sébastien-sur-Loire 55 La Chapelle-sur-Erdre 54 Vertou 54 Carquefou 51 Saint-Nazaire
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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 2026-05-29T16:43 UTC.