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

Rain
17.9°C · 87.0% humidity
17.9°
Feels 17.9°
51
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
7 stations

Nearby Monitoring Stations

AQI Forecast
34 3pm
34
34
51 6pm
46
63
60 9pm
58
57
56 12am
56
55
55 3am
55
54
54 6am
34
27
34 9am
34
34
27 12pm
27
27
AD 728×90

Air Quality Index Trend

48h · 6 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
5.9
UV High
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
51
12.11 µg/m³
PM10
25
27.45 µg/m³
050100150200300500

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

Temperature & Precipitation

PM2.5 Trend

48h · 6 stations
PM2.512.11 µg/m³ ✓ WHO
Moderate
PM1027.45 µg/m³
Good
UV INDEX5.9
High
AD 300×250
Station readings (7 stations within 25 km)
12.11
Median
12.76
Average
11.5
Low
15.0
High
PM2.5 µg/m³ · Model: 7.35 · Bias: -4.8

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: 6.0°C

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

44
Saint-Martin DHeres, France
0.9 km PM2.5: 10.6 µg/m³
26
Saint-Martin DHeres, France
0.9 km PM2.5: 6.2 µg/m³
25
Saint-Martin DHeres, France
0.9 km PM2.5: 6.0 µg/m³
27
Saint-Martin DHeres, France
0.9 km PM2.5: 6.5 µg/m³
49
Grenoble Les Frenes, France
2.8 km PM2.5: 11.8 µg/m³
65
Rocade Sud Eybens, France
3.0 km PM2.5: 18.8 µg/m³
44
Grenoble Grands Boulevards, France
3.4 km PM2.5: 10.6 µg/m³
50
Gresivaudan, Est Grenoblois , France
14.6 km PM2.5: 12.0 µg/m³
46
Vif, Sud Grenoblois , France
15.0 km PM2.5: 11.0 µg/m³
20
Voiron Urbain, France
24.3 km PM2.5: 4.8 µg/m³

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

51 Meylan 51 Grenoble 51 Échirolles 51 Fontaine 52 Saint-Égrève 52 Voiron 39 Chambéry 53 Romans-sur-Isère 42 Aix-les-Bains 47 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 2026-05-29T16:44 UTC.