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

Drizzle
16.0°C · 77.5% humidity
16.0°
Feels 16.0°
31
Good
Air quality is satisfactory. Enjoy outdoor activities.
6 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
48 12am
48
48
31 3am
36
39
42 6am
44
45
39 9am
39
47
47 12pm
40
41
39 3pm
39
39
39 6pm
39
39
39 9pm
39
41
Station readings
48
33
CAMS model adj +14
34
34
34
34
34
34
34
34
34
27
27
34
34
27
27
25
25
25
25
25
25
25
25
27
AD 728×90

Air Quality Index Trend

8h · 3 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.

77.5%
Humidity
29.3 km/h
Wind ESE
1014.7 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
31
7.54 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

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

Temperature & Precipitation

PM2.5 Trend

8h · 3 stations
PM2.57.54 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (6 stations within 25 km)
7.54
Median
6.97
Average
3.6
Low
8.2
High
PM2.5 µg/m³ · Model: 7.35 · Bias: -0.2

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

07-22
27.3° 16.0°
3.63 mm
07-23
22.8° 18.0°
07-24
26.5° 12.2°
11.12 mm
07-25
34.0° 9.6°
0.06 mm
07-26
33.8° 15.6°
1.75 mm
07-27
31.9° 14.9°
4.63 mm
07-28
29.8° 10.8°
0.62 mm
Both models agree Avg diff: 3.4°C

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

28
Saint-Martin DHeres, France
0.9 km PM2.5: 6.7 µg/m³
29
Saint-Martin DHeres, France
0.9 km PM2.5: 7.0 µg/m³
144
Saint-Martin DHeres, France
0.9 km PM2.5: 53.0 µg/m³
21
Saint-Martin DHeres, France
0.9 km PM2.5: 5.0 µg/m³
41
Grenoble Les Frenes, France
2.8 km PM2.5: 9.8 µg/m³
31
Rocade Sud Eybens, France
3.0 km PM2.5: 7.4 µg/m³
160
Grenoble Grands Boulevards, France
3.4 km PM2.5: 72.9 µg/m³
18
Gresivaudan, Est Grenoblois , France
14.6 km PM2.5: 4.3 µg/m³
25
Vif, Sud Grenoblois , France
15.0 km PM2.5: 6.0 µg/m³
29
Voiron Urbain, France
24.3 km PM2.5: 7.0 µg/m³

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

28 Meylan 16 Grenoble 26 Échirolles 21 Fontaine 25 Saint-Égrève 34 Voiron 19 Chambéry 35 Romans-sur-Isère 32 Aix-les-Bains 28 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 2026-07-22T01:52 UTC.