What is the air quality trend in Tournai?

Over the past 8 days, Tournai had an average AQI of 35 based on station measurements. The worst day was 2026-05-24 with AQI 70.

How is Tournai air quality measured?

Air quality in Tournai 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 Tournai, Belgium

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

Historical PM2.5 and AQI trend from monitoring stations near Tournai, Belgium.

Current AQI
Moderate Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

166h

PM2.5 Station

166h · 1 station

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-05-29	48	28–78	12.8 µg/m³	14.2	19h	1
2026-05-28	16	1–26	3.6 µg/m³	4.1	23h	1
2026-05-27	55	4–122	17.0 µg/m³	19.1	24h	1
2026-05-26	15	2–37	3.6 µg/m³	4.0	24h	1
2026-05-25	16	7–29	3.6 µg/m³	3.9	23h	1
2026-05-24	70	20–151	22.8 µg/m³	27.1	24h	1
2026-05-23	37	7–83	9.8 µg/m³	10.9	24h	1
2026-05-22	24	6–47	5.8 µg/m³	6.6	5h	1

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