What is the air quality trend in Châtellerault?

Over the past 15 days, Châtellerault had an average AQI of 43 based on station measurements. The worst day was 2026-07-15 with AQI 64.

How is Châtellerault air quality measured?

Air quality in Châtellerault 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 Châtellerault, France

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

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

Current AQI
Good CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

270h

PM2.5 Station

270h · 1 station

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-07-22	46	32–69	12.1 µg/m³	4h	2
2026-07-21	40	3–144	11.0 µg/m³	18h	2
2026-07-20	33	4–67	8.4 µg/m³	19h	2
2026-07-19	30	10–48	7.3 µg/m³	19h	1
2026-07-18	46	28–122	12.0 µg/m³	19h	1
2026-07-17	43	1–88	11.1 µg/m³	19h	1
2026-07-16	50	8–127	13.9 µg/m³	21h	2
2026-07-15	64	16–500	38.7 µg/m³	20h	2
2026-07-14	40	1–83	10.4 µg/m³	20h	2
2026-07-13	48	11–162	14.3 µg/m³	21h	1
2026-07-12	41	17–74	10.4 µg/m³	19h	2
2026-07-11	42	12–84	10.9 µg/m³	21h	1
2026-07-10	46	10–159	14.4 µg/m³	18h	1
2026-07-09	36	3–121	9.5 µg/m³	18h	2
2026-07-08	40	13–84	10.1 µg/m³	14h	1

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