Updated: 2025-12-14 18:26 CET

---

Locality

Basic data		Locality photo
Locality:	Decin
Code:	UDCMA
Type of measuring programme:	Automated measuring program
Locality owner:	Czech Hydrometeorological Institute
Classification
Abbreviation:	B/U/R
Localization
Coordinates:	50° 46´ 26.943" North latitude 14° 13´ 7.658" East longitude
Altitude:	131 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
2025-12-13 18:00 - 19:00 CET			24.3				17.2	15.7	16.6
2025-12-13 19:00 - 20:00 CET			24.1				22.2	16.0	18.4
2025-12-13 20:00 - 21:00 CET			24.3				13.7	15.6	15.4
2025-12-13 21:00 - 22:00 CET			23.9				23.8	15.9	14.3
2025-12-13 22:00 - 23:00 CET			24.3				15.9	15.6	7.4
2025-12-13 23:00 - 00:00 CET			23.3				13.6	14.8	12.5
2025-12-14 00:00 - 01:00 CET			22.0				21.2	15.0	9.9
2025-12-14 01:00 - 02:00 CET			19.9				14.1	14.8	8.7
2025-12-14 02:00 - 03:00 CET							9.2	14.8	18.9
2025-12-14 03:00 - 04:00 CET			18.4				19.7	15.1	9.5
2025-12-14 04:00 - 05:00 CET			17.6				12.5	15.3	5.8
2025-12-14 05:00 - 06:00 CET			17.0				7.0	14.9	2.7
2025-12-14 06:00 - 07:00 CET			16.5				10.1	14.9	6.6
2025-12-14 07:00 - 08:00 CET			15.3				6.7	14.5	15.1
2025-12-14 08:00 - 09:00 CET			14.3				9.3	14.3	22.2
2025-12-14 09:00 - 10:00 CET			13.8				14.5	14.4	10.8
2025-12-14 10:00 - 11:00 CET			12.4				30.6	14.8	12.6
2025-12-14 11:00 - 12:00 CET			13.8				20.9	15.1	18.4
2025-12-14 12:00 - 13:00 CET			12.8				12.5	15.2	9.3
2025-12-14 13:00 - 14:00 CET			11.3				16.6	15.2	16.8
2025-12-14 14:00 - 15:00 CET			11.7				11.1	15.2	10.4
2025-12-14 15:00 - 16:00 CET			10.7				6.0	15.2	7.5
2025-12-14 16:00 - 17:00 CET			12.6				5.6	14.4	5.0
2025-12-14 17:00 - 18:00 CET			13.2				19.4	14.7	6.0

Legend

Color	Description
	Component is not measured
	Incomplete data
	Limit exceeded

---

Map of station position

Map is on page with detailed information about locality