What is the air quality trend in Trenčín?

Over the past 7 days, Trenčín had an average AQI of 45 based on station measurements. The worst day was with AQI .

How is Trenčín air quality measured?

Air quality in Trenčín 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 Trenčín, SK

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

Historical PM2.5 and AQI trend from monitoring stations near Trenčín, SK.

Current AQI
Moderate

48 Hours 7 Days 14 Days 20 Days

PM2.5 Trend

105h · 1 station

Daily Summary

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-04-11	75	65–87	23.6 µg/m³	30.9	11h	2
2026-04-10	70	40–126	21.7 µg/m³	30.2	24h	2
2026-04-09	65	30–100	19.3 µg/m³	27.6	17h	2
2026-04-08	17	8–27	3.7 µg/m³	10.4	9h	2
2026-04-07	24	8–93	6.3 µg/m³	10.4	23h	2
2026-04-06	27	4–79	7.0 µg/m³	9.1	16h	2
2026-04-04	38	28–55	9.3 µg/m³	12.1	5h	2

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