Updated: 2025-10-03 21:26 CEST

---

Locality

Basic data		Locality photo
Locality:	Trutnov - Tkalcovska
Code:	HTRTA
Type of measuring programme:	Automated measuring program
Locality owner:	Czech Hydrometeorological Institute
Classification
Abbreviation:	B/U/R
Localization
Coordinates:	50° 33´ 57.167" North latitude 15° 54´ 14.137" East longitude
Altitude:	432 m

---

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
2025-10-02 21:00 - 22:00 CEST							4.8	11.3
2025-10-02 22:00 - 23:00 CEST							21.1	11.6
2025-10-02 23:00 - 00:00 CEST							16.0	11.6
2025-10-03 00:00 - 01:00 CEST							31.3	12.5
2025-10-03 01:00 - 02:00 CEST							21.5	12.9
2025-10-03 02:00 - 03:00 CEST							14.0	13.0
2025-10-03 03:00 - 04:00 CEST							23.5	13.1
2025-10-03 04:00 - 05:00 CEST							14.1	13.2
2025-10-03 05:00 - 06:00 CEST							17.5	13.4
2025-10-03 06:00 - 07:00 CEST							18.6	13.5
2025-10-03 07:00 - 08:00 CEST							20.6	13.6
2025-10-03 08:00 - 09:00 CEST							17.8	13.8
2025-10-03 09:00 - 10:00 CEST							29.7	14.5
2025-10-03 10:00 - 11:00 CEST							15.6	14.8
2025-10-03 11:00 - 12:00 CEST							13.1	14.2
2025-10-03 12:00 - 13:00 CEST							22.4	14.6
2025-10-03 13:00 - 14:00 CEST							13.5	14.8
2025-10-03 14:00 - 15:00 CEST							7.4	15.0
2025-10-03 15:00 - 16:00 CEST							4.3	15.0
2025-10-03 16:00 - 17:00 CEST							8.6	15.2
2025-10-03 17:00 - 18:00 CEST							14.1	15.5
2025-10-03 18:00 - 19:00 CEST							26.2	16.2
2025-10-03 19:00 - 20:00 CEST							13.7	16.6
2025-10-03 20:00 - 21:00 CEST							7.8	16.5

Legend

Color	Description
	Component is not measured
	Incomplete data
	Limit exceeded

---

Map of station position

Map is on page with detailed information about locality