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

Drizzle
10.1°C · 99.6% humidity
10.1°
Feels 10.1°
24
Good
Air quality is satisfactory. Enjoy outdoor activities.
12 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
38 12am
38
38
24 3am
25
26
27 6am
28
28
28 9am
29
29
29 12pm
29
29
29 3pm
29
29
29 6pm
29
29
29 9pm
29
29
Station readings 27h ago
AQI 31
PM2.5 7.5 µg/m³ · 27h ago
AD 728×90

Air Quality Index Trend

48h · 8 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.

99.6%
Humidity
14.7 km/h
Wind NW
1020.3 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
24
5.83 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

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

Temperature & Precipitation

PM2.5 Trend

48h · 8 stations
PM2.55.83 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (12 stations within 25 km)
5.83
Median
5.98
Average
3.6
Low
9.6
High
PM2.5 µg/m³ · Model: 6.25 · Bias: +0.4

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

06-09
22.9° 9.3°
1.38 mm
06-10
25.2° 11.1°
06-11
24.3° 11.9°
2.94 mm
06-12
23.7° 11.5°
06-13
28.8° 7.1°
1.44 mm
06-14
22.6° 10.2°
1.56 mm
06-15
27.5° 10.6°
1.88 mm
Both models agree Avg diff: 2.9°C

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

22
Saint-Martin DHeres, France
0.9 km PM2.5: 5.3 µg/m³
26
Saint-Martin DHeres, France
0.9 km PM2.5: 6.2 µg/m³
23
Saint-Martin DHeres, France
0.9 km PM2.5: 5.5 µg/m³
34
Saint-Martin DHeres, France
0.9 km PM2.5: 8.2 µg/m³
12
Grenoble Les Frenes, France
2.8 km PM2.5: 2.9 µg/m³
23
Rocade Sud Eybens, France
3.0 km PM2.5: 5.5 µg/m³
35
Grenoble Grands Boulevards, France
3.4 km PM2.5: 8.4 µg/m³
48
Gresivaudan, Est Grenoblois , France
14.6 km PM2.5: 11.5 µg/m³
28
Vif, Sud Grenoblois , France
15.0 km PM2.5: 6.7 µg/m³
20
Voiron Urbain, France
24.3 km PM2.5: 4.8 µg/m³

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

25 Meylan 22 Grenoble 30 Échirolles 25 Fontaine 25 Saint-Égrève 20 Voiron 32 Chambéry 28 Romans-sur-Isère 28 Aix-les-Bains 30 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 2026-06-09T01:42 UTC.