What is the air quality trend in Les Clayes-sous-Bois?

Over the past 15 days, Les Clayes-sous-Bois had an average AQI of 21 based on station measurements. The worst day was 2026-05-28 with AQI 54.

How is Les Clayes-sous-Bois air quality measured?

Air quality in Les Clayes-sous-Bois 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 Les Clayes-sous-Bois, France

Name: Les Clayes-sous-Bois Air Quality History
Creator: CERNS.IO
License: https://creativecommons.org/licenses/by/4.0/

Historical PM2.5 and AQI trend from monitoring stations near Les Clayes-sous-Bois, France.

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

329h

PM2.5 Station

329h · 2 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-06-09	5	3–6	1.2 µg/m³	1.6	11h	1
2026-06-08	10	4–20	2.4 µg/m³	2.7	24h	1
2026-06-07	8	1–12	1.9 µg/m³	2.5	24h	1
2026-06-06	12	4–28	2.8 µg/m³	2.8	24h	1
2026-06-05	9	1–27	2.1 µg/m³	2.6	24h	1
2026-06-04	8	2–20	1.9 µg/m³	2.3	21h	1
2026-06-03	6	2–14	1.4 µg/m³	1.6	23h	1
2026-06-02	7	3–22	1.8 µg/m³	1.8	24h	1
2026-06-01	16	5–35	3.8 µg/m³	3.5	22h	1
2026-05-31	16	3–60	3.9 µg/m³	4.4	24h	1
2026-05-30	54	29–88	14.7 µg/m³	15.4	24h	1
2026-05-29	48	31–64	12.0 µg/m³	12.5	24h	1
2026-05-28	54	33–77	14.6 µg/m³	15.1	24h	1
2026-05-27	46	34–60	11.3 µg/m³	11.6	24h	1
2026-05-26	28	21–33	6.7 µg/m³	7.2	12h	1

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