What is the air quality trend in Noisy-le-Sec?

Over the past 8 days, Noisy-le-Sec had an average AQI of 42 based on station measurements. The worst day was 2026-10-19 with AQI 63.

How is Noisy-le-Sec air quality measured?

Air quality in Noisy-le-Sec 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 Noisy-le-Sec, France

Name: Noisy-le-Sec Air Quality History
Creator: CERNS.IO
License: https://creativecommons.org/licenses/by/4.0/

Historical PM2.5 and AQI trend from monitoring stations near Noisy-le-Sec, France.

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

167h

PM2.5 Station

167h · 4 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-10-21	19	9–29	4.6 µg/m³	6.0	14h	3
2026-10-20	37	13–76	9.4 µg/m³	11.5	24h	4
2026-10-19	63	41–104	17.8 µg/m³	22.2	24h	3
2026-10-18	59	18–147	18.0 µg/m³	24.5	24h	3
2026-10-17	42	15–84	11.5 µg/m³	16.1	24h	4
2026-10-16	31	7–100	8.4 µg/m³	11.2	24h	4
2026-10-15	39	8–136	10.5 µg/m³	13.3	24h	4
2026-10-14	49	21–88	13.6 µg/m³	19.2	9h	4

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