What is the air quality trend in Arras?

Over the past 15 days, Arras had an average AQI of 44 based on station measurements. The worst day was 2026-07-17 with AQI 59.

How is Arras air quality measured?

Air quality in Arras 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 Arras, France

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

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

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

337h

PM2.5 Station

337h · 1 station

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-07-22	38	8–169	15.5 µg/m³	8.4	8h	10
2026-07-21	43	23–71	10.7 µg/m³	11.4	24h	14
2026-07-20	38	29–57	9.2 µg/m³	15.6	24h	13
2026-07-19	39	23–83	9.8 µg/m³	13.4	24h	13
2026-07-18	46	28–67	11.4 µg/m³	19.1	24h	13
2026-07-17	59	42–171	17.5 µg/m³	23.4	24h	12
2026-07-16	52	34–104	13.9 µg/m³	24.0	24h	12
2026-07-15	43	27–73	10.6 µg/m³	22.7	24h	11
2026-07-14	46	36–61	11.3 µg/m³	24.9	24h	11
2026-07-13	40	24–60	9.8 µg/m³	23.6	24h	10
2026-07-12	46	24–97	12.1 µg/m³	19.3	24h	12
2026-07-11	44	25–72	11.2 µg/m³	20.6	24h	11
2026-07-10	50	29–119	13.8 µg/m³	21.7	24h	11
2026-07-09	40	25–113	10.2 µg/m³	16.7	24h	11
2026-07-08	42	28–67	10.5 µg/m³	17.8	17h	12

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