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

Rain
17.9°C · 87.0% humidity
17.9°
Feels 17.9°
48
Good
Air quality is satisfactory. Enjoy outdoor activities.
4 stations

Nearby Monitoring Stations

AQI Forecast
34 6pm
34
54
48 9pm
50
51
52 12am
52
53
53 3am
53
54
54 6am
34
27
34 9am
34
34
27 12pm
27
27
27 3pm
27
27
AD 728×90

Air Quality Index Trend

47h · 2 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.

87.0%
Humidity
19.8 km/h
Wind WNW
1014.7 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
48
11.45 µg/m³
PM10
25
27.45 µg/m³
050100150200300500

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

Temperature & Precipitation

PM2.5 Trend

47h · 2 stations
PM2.511.45 µg/m³ ✓ WHO
Good
PM1027.45 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (4 stations within 25 km)
11.45
Median
11.5
Average
9.6
Low
13.5
High
PM2.5 µg/m³ · Model: 10.0 · Bias: -1.5

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

05-29
17.9° 9.8°
4.88 mm
05-30
17.8° 7.8°
0.38 mm
05-31
18.7° 10.9°
1.25 mm
06-01
25.4° 11.5°
06-02
17.7° 12.3°
5.87 mm
06-03
18.9° 8.3°
0.06 mm
06-04
21.1° 13.7°
1.63 mm
Both models agree Avg diff: 5.9°C

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

39
Saint-Martin DHeres, France
0.9 km PM2.5: 9.4 µg/m³
26
Saint-Martin DHeres, France
0.9 km PM2.5: 6.2 µg/m³
52
Saint-Martin DHeres, France
0.9 km PM2.5: 12.6 µg/m³
45
Saint-Martin DHeres, France
0.9 km PM2.5: 10.8 µg/m³
49
Grenoble Les Frenes, France
2.8 km PM2.5: 11.8 µg/m³
3
Rocade Sud Eybens, France
3.0 km PM2.5: 0.7 µg/m³
23
Grenoble Grands Boulevards, France
3.4 km PM2.5: 5.5 µg/m³
49
Gresivaudan, Est Grenoblois , France
14.6 km PM2.5: 11.8 µg/m³
50
Vif, Sud Grenoblois , France
15.0 km PM2.5: 12.0 µg/m³
20
Voiron Urbain, France
24.3 km PM2.5: 4.8 µg/m³

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

48 Meylan 48 Grenoble 48 Échirolles 48 Fontaine 48 Saint-Égrève 48 Voiron 53 Chambéry 54 Romans-sur-Isère 53 Aix-les-Bains 40 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 2026-05-29T19:16 UTC.