What is the air quality trend in Saint-Égrève?

Over the past 8 days, Saint-Égrève had an average AQI of 23 based on station measurements. The worst day was 2026-10-20 with AQI 41.

How is Saint-Égrève air quality measured?

Air quality in Saint-Égrève is measured by ground-level monitoring stations that report PM2.5 and PM10 concentrations hourly. CERNS.IO aggregates readings from nearby stations and converts PM2.5 to the US EPA Air Quality Index (AQI) scale.

Air Quality History for Saint-Égrève, France

Name: Saint-Égrève Air Quality History
Creator: CERNS.IO
License: https://creativecommons.org/licenses/by/4.0/

Historical PM2.5 and AQI trend from monitoring stations near Saint-Égrève, France.

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

78h

PM2.5 Station

78h · 4 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-10-21	21	17–24	5.0 µg/m³	7h	4
2026-10-20	41	27–52	9.8 µg/m³	9h	2
2026-10-19	21	12–35	5.1 µg/m³	10h	3
2026-10-18	13	11–17	3.2 µg/m³	9h	4
2026-10-17	21	15–30	5.1 µg/m³	12h	4
2026-10-16	28	13–35	6.8 µg/m³	8h	3
2026-10-15	20	2–42	4.7 µg/m³	16h	2
2026-10-14	24	15–31	5.8 µg/m³	7h	2

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