Updated: 2026-05-24 17:27 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
2026-05-23 17:00 - 18:00 CEST							13.0	15.2
2026-05-23 18:00 - 19:00 CEST							15.0	15.1
2026-05-23 19:00 - 20:00 CEST							8.5	15.0
2026-05-23 20:00 - 21:00 CEST							14.6	15.4
2026-05-23 21:00 - 22:00 CEST							10.1	15.6
2026-05-23 22:00 - 23:00 CEST							5.8	15.3
2026-05-23 23:00 - 00:00 CEST							6.8	14.7
2026-05-24 00:00 - 01:00 CEST							38.4	15.2
2026-05-24 01:00 - 02:00 CEST							21.9	15.4
2026-05-24 02:00 - 03:00 CEST							11.0	15.4
2026-05-24 03:00 - 04:00 CEST							9.6	14.9
2026-05-24 04:00 - 05:00 CEST							17.2	15.1
2026-05-24 05:00 - 06:00 CEST							14.7	15.2
2026-05-24 06:00 - 07:00 CEST							25.1	15.7
2026-05-24 07:00 - 08:00 CEST							18.4	15.9
2026-05-24 08:00 - 09:00 CEST							21.8	16.4
2026-05-24 09:00 - 10:00 CEST							25.0	16.4
2026-05-24 10:00 - 11:00 CEST							12.9	16.5
2026-05-24 11:00 - 12:00 CEST							19.5	16.6
2026-05-24 12:00 - 13:00 CEST							24.6	17.1
2026-05-24 13:00 - 14:00 CEST							27.1	17.0
2026-05-24 14:00 - 15:00 CEST							15.7	16.9
2026-05-24 15:00 - 16:00 CEST							12.0	16.8
2026-05-24 16:00 - 17:00 CEST							25.6	17.3

Legend

Color	Description
	Component is not measured
	Incomplete data
	Limit exceeded

---

Map of station position

Map is on page with detailed information about locality