What is the air quality trend in Nyon?

Over the past 15 days, Nyon had an average AQI of 43 based on station measurements. The worst day was 2026-05-27 with AQI 72.

How is Nyon air quality measured?

Air quality in Nyon 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 Nyon, Switzerland

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

Historical PM2.5 and AQI trend from monitoring stations near Nyon, Switzerland.

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

336h

PM2.5 Station

336h · 4 stations

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	24	7–45	5.8 µg/m³	5.9	22h	2
2026-05-28	46	18–102	11.8 µg/m³	13.0	24h	2
2026-05-27	72	25–492	34.2 µg/m³	15.8	24h	2
2026-05-26	57	33–153	15.7 µg/m³	18.2	24h	2
2026-05-25	56	28–137	15.6 µg/m³	14.6	24h	2
2026-05-24	38	19–58	9.3 µg/m³	10.8	24h	1
2026-05-23	44	21–95	11.5 µg/m³	9.7	24h	2
2026-05-22	36	17–149	9.5 µg/m³	8.1	24h	2
2026-05-21	29	9–110	7.5 µg/m³	6.9	24h	2
2026-05-20	31	2–239	12.9 µg/m³	3.8	24h	2
2026-05-19	38	4–115	10.7 µg/m³	5.6	24h	2
2026-05-18	38	3–154	11.8 µg/m³	2.3	24h	3
2026-05-17	61	7–141	19.8 µg/m³	2.6	24h	3
2026-05-16	55	3–355	25.6 µg/m³	2.6	24h	3
2026-05-15	20	20–21	4.9 µg/m³	0.1	2h	3

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