What is the air quality trend in Cormeilles-en-Parisis?

Over the past 8 days, Cormeilles-en-Parisis had an average AQI of 19 based on station measurements. The worst day was 2026-09-05 with AQI 33.

How is Cormeilles-en-Parisis air quality measured?

Air quality in Cormeilles-en-Parisis 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 Cormeilles-en-Parisis, France

Name: Cormeilles-en-Parisis Air Quality History
Creator: CERNS.IO
License: https://creativecommons.org/licenses/by/4.0/

Historical PM2.5 and AQI trend from monitoring stations near Cormeilles-en-Parisis, France.

Current AQI
Moderate Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

162h

PM2.5 Station

162h · 2 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-09-05	33	17–64	8.0 µg/m³	14.3	22h	2
2026-09-04	14	5–36	3.3 µg/m³	5.1	24h	2
2026-09-03	18	8–51	4.4 µg/m³	7.2	24h	2
2026-09-02	22	9–42	5.3 µg/m³	8.4	24h	2
2026-09-01	26	4–49	6.2 µg/m³	10.5	23h	2
2026-08-31	10	2–34	2.4 µg/m³	2.8	20h	1
2026-08-30	18	8–33	4.3 µg/m³	6.5	24h	2
2026-08-29	15	15–15	3.6 µg/m³	4.6	1h	2

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