Toggle navigation
Places
AQI (US)
AQC (Australia)
AQHI (Canada)
AQI (China)
AQI (Netherlands)
AQI (US)
CAQI (Europe)
AQI (UK)
AQI (India)
English
Français
Deutsch
日本語
한국어
简体中文
繁體中文
Europe
France
Auvergne-Rhône-Alpes
Isere
Crolles
AQI (US)
AQC (Australia)
AQHI (Canada)
AQI (China)
AQI (Netherlands)
AQI (US)
CAQI (Europe)
AQI (UK)
AQI (India)
Crolles
Arrondissement de Grenoble, Isere
2026-05-19 22:00
AQI (US)
Good
Pollutants
|
Pollens
PM2.5
μg/m³
3.6
O3
μg/m³
44.9
PM10
μg/m³
7.2
NO2
μg/m³
5.7
Grasses
6.0
Ragweed
3.0
Birch
3.0
Alder
0
Mugwort
0
Olive Tree
0
Weather
℃
℃
℉
12℃
77%
6 kph
0 of 11
Historical Data
Hourly
Hourly
Daily
AQI (US)
AQI (US)
Allergy Risk
PM2.5
O3
PM10
NO2
Grasses
Ragweed
Birch
Alder
Mugwort
Olive Tree
Places included
Gresivaudan Periurb
AQI 20
Data Sources
https://www.eea.europa.eu
http://www.polleninfo.org
Get the App
Scan QR Code
Air Matters
Realtime broadcasting air quality information on your phone for more than 180 countries.
iPhone, iPad
Android
Scan QR Code to Download App
iOS
Google Play
Download APK
Cities Nearby
Crolles
AQI 20
Saint-Hilaire
AQI 20
Lumbin
AQI 20
Villard-Bonnot
AQI 20
Saint-Ismier
AQI 20
Le Sappey-en-Chartreuse
AQI 20
Montbonnot-Saint-Martin
AQI 24
Goncelin
AQI 20
Meylan
AQI 24
Le Cheylas
AQI 20
Gières
AQI 24
Air Matters © 2026