Air Quality in Saint-Martin-d'Hères, France

Partly Cloudy
14.4°C · 51.2% humidity
14.4°
Feels 14.4°
34
Good
Air quality is satisfactory. Enjoy outdoor activities.
5 stations

Nearby Monitoring Stations

AQI Forecast
— 11am
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22
34 2pm
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— 5pm
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— 8pm
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Station readings
22
26

Air Quality Index Trend

21h · 4 stn

Saint-Martin-d'Hères'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.

51.2%
Humidity
28.0 km/h
Wind NW
1019.3 hPa
Pressure
0.0
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

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

What is the weather forecast for Saint-Martin-d'Hères?

Temperature & Precipitation

PM2.5 Trend

21h · 4 stations
PM2.58.22 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.0
Low
Station readings (5 stations within 25 km)
8.22
Median
6.92
Average
2.9
Low
9.4
High
PM2.5 µg/m³ · Model: 5.8 · Bias: -2.4

What is the 7-day forecast for Saint-Martin-d'Hères?

10-21
14.4° -1.9°
0.62 mm
10-22
20.5° 7.6°
3.75 mm
10-23
10.6° 3.3°
7.44 mm
10-24
7.8° 4.9°
0.06 mm
10-25
17.9° 3.4°
0.06 mm
10-26
7.2° 5.3°
0.75 mm
10-27
15.3° 4.6°
0.44 mm
Both models agree Avg diff: 5.2°C

Where are air quality stations near Saint-Martin-d'Hères?

26
Saint-Martin DHeres, France
0.9 km PM2.5: 6.2 µg/m³
12
Grenoble Grands Boulevards, France
3.4 km PM2.5: 2.9 µg/m³
10
Grenoble Grands Boulevards, France
3.4 km PM2.5: 2.4 µg/m³
18
Gresivaudan, Est Grenoblois , France
14.6 km PM2.5: 4.3 µg/m³
24
Vif, Sud Grenoblois , France
15.0 km PM2.5: 5.8 µg/m³
23
Voiron Urbain, France
24.3 km PM2.5: 5.5 µg/m³

What cities are near Saint-Martin-d'Hères?

29 Meylan 12 Grenoble 22 Échirolles 18 Fontaine 24 Saint-Égrève 39 Voiron 12 Chambéry 24 Romans-sur-Isère 22 Aix-les-Bains 18 Villefontaine
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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 2026-10-21T12:30 UTC.