What is the air quality trend in Laon?

Over the past 15 days, Laon had an average AQI of 40 based on station measurements. The worst day was 2026-05-26 with AQI 57.

How is Laon air quality measured?

Air quality in Laon 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 Laon, France

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

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

Current AQI
Good CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

294h

PM2.5 Station

294h · 1 station

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-05-29	40	12–59	10.0 µg/m³	17h	2
2026-05-28	45	15–122	12.0 µg/m³	21h	2
2026-05-27	45	18–156	12.2 µg/m³	22h	2
2026-05-26	57	9–168	18.3 µg/m³	21h	2
2026-05-25	42	12–94	10.7 µg/m³	22h	3
2026-05-24	37	2–97	9.5 µg/m³	22h	2
2026-05-23	37	16–88	9.5 µg/m³	21h	2
2026-05-22	27	9–46	6.6 µg/m³	23h	2
2026-05-21	31	1–59	7.5 µg/m³	23h	2
2026-05-20	40	18–68	10.0 µg/m³	18h	2
2026-05-19	54	11–119	16.3 µg/m³	20h	2
2026-05-18	41	16–122	11.4 µg/m³	21h	2
2026-05-17	51	1–146	15.4 µg/m³	19h	2
2026-05-16	30	13–71	7.4 µg/m³	20h	2
2026-05-15	30	23–36	7.2 µg/m³	4h	3

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