What is the air quality trend in Tournai?

Over the past 3 days, Tournai had an average AQI of 37 based on station measurements. The worst day was with AQI .

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
Good

48 Hours 7 Days 14 Days 20 Days

PM2.5 Trend

43h · 3 stations

Daily Summary

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-04-11	43	42–44	10.4 µg/m³	13.6	2h	4
2026-04-10	22	11–39	5.3 µg/m³	9.3	24h	5
2026-04-09	47	20–77	12.1 µg/m³	19.6	17h	5

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