What is the air quality trend in Alfortville?

Over the past 8 days, Alfortville had an average AQI of 31 based on station measurements. The worst day was 2026-10-19 with AQI 45.

How is Alfortville air quality measured?

Air quality in Alfortville 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 Alfortville, France

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

Historical PM2.5 and AQI trend from monitoring stations near Alfortville, France.

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

167h

PM2.5 Station

167h · 4 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-10-21	18	3–44	4.4 µg/m³	5.2	13h	3
2026-10-20	27	11–91	7.1 µg/m³	8.2	24h	4
2026-10-19	45	9–118	13.8 µg/m³	15.9	24h	3
2026-10-18	44	9–121	13.0 µg/m³	16.9	24h	3
2026-10-17	26	8–72	6.5 µg/m³	8.6	24h	4
2026-10-16	31	2–161	10.0 µg/m³	11.4	24h	4
2026-10-15	31	5–174	10.5 µg/m³	11.8	24h	4
2026-10-14	29	3–76	7.8 µg/m³	9.2	10h	4

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