Air Quality in Saint-Herblain, France

Windy
19.4°C · 89.9% humidity
19.4°
Feels 19.4°
31
Good
Air quality is satisfactory. Enjoy outdoor activities.
7 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
29 4am
28
23
31 7am
29
28
34 10am
33
32
32 1pm
32
31
31 4pm
51
51
51 7pm
31
31
24 10pm
24
24
24 1am
22
31
Station readings
29
28
23
20
21
CAMS model adj -3
27
27
27
27
27
27
34
34
34
34
34
34
34
54
54
54
34
34
27
27
27
27
25
34
AD 728×90

Air Quality Index Trend

24h · 4 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.

89.9%
Humidity
50.3 km/h
Wind W
1013.0 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
PM2.5
31
7.55 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

Temperature & Precipitation

PM2.5 Trend

24h · 4 stations
PM2.57.55 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
7.55
Median
7.33
Average
4.18
Low
10.6
High
PM2.5 µg/m³ · Model: 6.25 · Bias: -1.3
07-22
25.9° 17.4°
07-23
24.9° 17.0°
1.81 mm
07-24
21.3° 15.0°
1.37 mm
07-25
32.1° 12.0°
0.06 mm
07-26
23.9° 13.2°
8.69 mm
07-27
24.3° 15.9°
15.0 mm
07-28
32.6° 16.9°
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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 2026-07-22T05:49 UTC.