What is the air quality trend in Outreau?

Over the past 21 days, Outreau had an average AQI of 36 based on station measurements. The worst day was 2026-05-26 with AQI 74.

How is Outreau air quality measured?

Air quality in Outreau 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 Outreau, France

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

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

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

353h

PM2.5 Station

353h · 1 station

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-05-29	48	2–158	14.9 µg/m³	12h	2
2026-05-28	33	2–58	8.0 µg/m³	17h	2
2026-05-27	32	9–66	7.9 µg/m³	18h	2
2026-05-26	74	22–388	34.9 µg/m³	18h	2
2026-05-25	41	17–103	10.8 µg/m³	16h	2
2026-05-24	35	10–61	8.6 µg/m³	18h	1
2026-05-23	40	10–129	11.0 µg/m³	20h	2
2026-05-22	36	8–70	9.1 µg/m³	18h	2
2026-05-21	36	9–75	9.0 µg/m³	20h	2
2026-05-20	36	12–104	10.3 µg/m³	16h	1
2026-05-19	31	8–112	8.2 µg/m³	17h	1
2026-05-18	29	2–77	7.6 µg/m³	14h	2
2026-05-17	35	5–88	9.2 µg/m³	17h	1
2026-05-16	29	19–58	7.1 µg/m³	14h	1
2026-05-15	49	7–328	23.2 µg/m³	20h	2
2026-05-14	40	1–185	14.2 µg/m³	21h	2
2026-05-13	26	4–53	6.3 µg/m³	21h	2
2026-05-12	27	8–58	6.5 µg/m³	20h	2
2026-05-11	32	14–70	8.1 µg/m³	19h	2
2026-05-10	28	9–42	6.8 µg/m³	15h	2
2026-05-09	38	15–60	9.9 µg/m³	2h	2

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