Updated: 2026-05-24 17:27 CEST

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Locality

Basic data
Locality:	Trnava, Kollarova
Code:	7TRKA
Type of measuring programme:	Automated measuring program
Locality owner:	Slovak Hydrometeorological Institute
Classification
Abbreviation:	T/U/-
Localization
Coordinates:	48° 22´ 16.006" North latitude 17° 35´ 5.997" East longitude
Altitude:	152 m

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Actual measured level of air pollution

Actual unverified data

Date and time	SO₂		NO₂	CO	O₃		PM₁₀		PM₂.₅
	1h	24h average	1h	8h average	1h	8h average	1h	24h average	1h
	µg∙m⁻³	µg∙m⁻³	µg∙m⁻³	µg∙m⁻³	µg∙m⁻³	µg∙m⁻³	µg∙m⁻³	µg∙m⁻³	µg∙m⁻³
2026-05-23 17:00 - 18:00 CEST			21.0	194.4			24.0
2026-05-23 18:00 - 19:00 CEST			21.0	197.9			23.0
2026-05-23 19:00 - 20:00 CEST			28.0	200.1			27.0
2026-05-23 20:00 - 21:00 CEST			36.0	205.0			23.0
2026-05-23 21:00 - 22:00 CEST			32.0	206.9			21.0
2026-05-23 22:00 - 23:00 CEST			23.0	206.0			18.0
2026-05-23 23:00 - 00:00 CEST				209.3
2026-05-24 00:00 - 01:00 CEST
2026-05-24 01:00 - 02:00 CEST
2026-05-24 02:00 - 03:00 CEST
2026-05-24 03:00 - 04:00 CEST
2026-05-24 04:00 - 05:00 CEST			11.0				18.0
2026-05-24 05:00 - 06:00 CEST			14.0				18.0
2026-05-24 06:00 - 07:00 CEST			15.0				19.0
2026-05-24 07:00 - 08:00 CEST			15.0				24.0
2026-05-24 08:00 - 09:00 CEST			17.0				18.0
2026-05-24 09:00 - 10:00 CEST			19.0				20.0
2026-05-24 10:00 - 11:00 CEST			13.0	181.7			20.0
2026-05-24 11:00 - 12:00 CEST			19.0	179.5			26.0
2026-05-24 12:00 - 13:00 CEST			15.0	180.5			26.0
2026-05-24 13:00 - 14:00 CEST			18.0	180.2			26.0
2026-05-24 14:00 - 15:00 CEST			18.0	182.0			17.0
2026-05-24 15:00 - 16:00 CEST			20.0	177.9			12.0
2026-05-24 16:00 - 17:00 CEST			22.0	178.0			19.0

Legend

Color	Description
	Component is not measured
	Incomplete data
	Limit exceeded

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Map of station position

Map is on page with detailed information about locality