Updated: 2026-06-15 05:27 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
2026-06-14 05:00 - 06:00 CEST							4.1	6.5
2026-06-14 06:00 - 07:00 CEST							3.8	6.6
2026-06-14 07:00 - 08:00 CEST							2.6	6.6
2026-06-14 08:00 - 09:00 CEST							16.0	6.9
2026-06-14 09:00 - 10:00 CEST							20.0	6.7
2026-06-14 10:00 - 11:00 CEST							12.5	6.7
2026-06-14 11:00 - 12:00 CEST							7.0	6.5
2026-06-14 12:00 - 13:00 CEST							5.8	6.4
2026-06-14 13:00 - 14:00 CEST							5.5	5.9
2026-06-14 14:00 - 15:00 CEST							17.1	6.2
2026-06-14 15:00 - 16:00 CEST							8.6	6.4
2026-06-14 16:00 - 17:00 CEST							5.2	6.4
2026-06-14 17:00 - 18:00 CEST							11.3	6.8
2026-06-14 18:00 - 19:00 CEST							11.8	7.2
2026-06-14 19:00 - 20:00 CEST							7.5	7.4
2026-06-14 20:00 - 21:00 CEST							4.4	7.5
2026-06-14 21:00 - 22:00 CEST							4.0	7.4
2026-06-14 22:00 - 23:00 CEST							2.4	7.3
2026-06-14 23:00 - 00:00 CEST							3.1	7.2
2026-06-15 00:00 - 01:00 CEST							1.0	7.0
2026-06-15 01:00 - 02:00 CEST							3.4	6.9
2026-06-15 02:00 - 03:00 CEST							4.5	6.9
2026-06-15 03:00 - 04:00 CEST							3.0	7.0
2026-06-15 04:00 - 05:00 CEST							2.3	7.0

Legend

Color	Description
	Component is not measured
	Incomplete data
	Limit exceeded

---

Map of station position

Map is on page with detailed information about locality