What is the air quality trend in Annecy?

Over the past 15 days, Annecy had an average AQI of 39 based on station measurements. The worst day was 2026-05-15 with AQI 57.

How is Annecy air quality measured?

Air quality in Annecy 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 Annecy, France

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

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

Current AQI
Moderate Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

336h

PM2.5 Station

336h · 1 station

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-05-29	37	15–58	9.0 µg/m³	6.3	20h	7
2026-05-28	43	25–98	10.9 µg/m³	7.0	24h	7
2026-05-27	44	24–59	10.8 µg/m³	8.9	24h	7
2026-05-26	43	28–66	10.4 µg/m³	12.5	24h	8
2026-05-25	46	22–177	13.9 µg/m³	8.5	24h	8
2026-05-24	32	19–51	7.7 µg/m³	6.7	24h	8
2026-05-23	32	15–57	7.6 µg/m³	4.0	24h	8
2026-05-22	41	22–280	16.7 µg/m³	3.9	24h	7
2026-05-21	35	17–173	10.8 µg/m³	3.8	24h	8
2026-05-20	44	16–193	15.0 µg/m³	3.2	24h	8
2026-05-19	31	6–75	7.9 µg/m³	3.1	24h	7
2026-05-18	25	8–62	6.1 µg/m³	2.1	24h	8
2026-05-17	43	12–124	11.8 µg/m³	2.7	24h	7
2026-05-16	35	11–140	9.4 µg/m³	3.0	24h	8
2026-05-15	57	18–153	19.3 µg/m³	1.5	4h	9

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