What is the air quality trend in Asnières-sur-Seine?

Over the past 15 days, Asnières-sur-Seine had an average AQI of 35 based on station measurements. The worst day was 2026-10-19 with AQI 68.

How is Asnières-sur-Seine air quality measured?

Air quality in Asnières-sur-Seine 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 Asnières-sur-Seine, France

Name: Asnières-sur-Seine Air Quality History
Creator: CERNS.IO
License: https://creativecommons.org/licenses/by/4.0/

Historical PM2.5 and AQI trend from monitoring stations near Asnières-sur-Seine, France.

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

335h

PM2.5 Station

335h · 3 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-10-21	21	13–27	5.1 µg/m³	6.8	14h	2
2026-10-20	38	12–73	10.3 µg/m³	13.0	24h	3
2026-10-19	68	53–102	20.0 µg/m³	25.4	24h	2
2026-10-18	61	19–154	19.1 µg/m³	26.3	24h	2
2026-10-17	50	18–115	14.3 µg/m³	20.2	24h	3
2026-10-16	30	9–75	7.6 µg/m³	11.5	24h	3
2026-10-15	41	8–78	10.7 µg/m³	14.5	24h	3
2026-10-14	48	26–99	13.1 µg/m³	20.4	24h	3
2026-10-13	19	7–53	4.6 µg/m³	7.1	24h	3
2026-10-12	26	11–47	6.2 µg/m³	8.2	24h	3
2026-10-11	18	2–34	4.4 µg/m³	6.8	24h	2
2026-10-10	26	10–45	6.1 µg/m³	10.0	24h	2
2026-10-09	21	8–38	5.0 µg/m³	7.2	24h	2
2026-10-08	23	6–39	5.6 µg/m³	9.3	24h	2
2026-10-07	39	15–63	10.2 µg/m³	13.3	9h	2

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